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Bug 519240 - dhcpcd/openresolv/dnsmasq combo fails on SELinux (-9999 policies)
Summary: dhcpcd/openresolv/dnsmasq combo fails on SELinux (-9999 policies)
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: SELinux (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Jason Zaman
URL:
Whiteboard: sec-policy r5
Keywords:
Depends on:
Blocks:
 
Reported: 2014-08-06 18:48 UTC by Amadeusz Sławiński
Modified: 2014-08-22 17:49 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


Attachments

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Description Amadeusz Sławiński 2014-08-06 18:48:06 UTC
From /var/log/rc.log

dhcpcd           | * Starting DHCP Client Daemon ...
dhcpcd           |dhcpcd[2195]: version 6.4.3 starting
dhcpcd           |dhcpcd[2195]: dev: loaded udev
dhcpcd           |dhcpcd[2195]: bond0: adding address fe80::ddd7:71e5:1ed9:6408
dhcpcd           |dhcpcd[2195]: dummy0: adding address fe80::bb52:f9cd:8c47:b4b9
dhcpcd           |dhcpcd[2195]: eth0: adding address fe80::5019:5f5:4980:3d9
dhcpcd           |dhcpcd[2195]: wlan0: adding address fe80::f318:4fca:cc8d:2723
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |install: cannot change permissions of '/etc/dnsmasq.d': Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 166: /etc/dnsmasq.d/openresolv.conf: Permission denied
dhcpcd           |/lib/resolvconf/dnsmasq: line 177: /etc/dnsmasq.d/resolv.conf: Permission denied
dhcpcd           |dhcpcd[2195]: no interfaces have a carrier
dhcpcd           |dhcpcd[2195]: forked to background, child pid 2522
 [ ok ]

# semanage fcontext -C -l | grep dnsmasq
/etc/dnsmasq-resolv.conf                           all files          system_u:object_r:net_conf_t 
/usr/share/dnsmasq/trust-anchors.conf              all files          system_u:object_r:dnsmasq_etc_t 


# rc-update 
            alsasound | boot                         
             bootmisc | boot                         
               cronie |      default                 
                 dbus |      default                 
                devfs |                       sysinit
               dhcpcd |      default                 
                dmesg |                       sysinit
              dnsmasq |      default                 
             hostname | boot                         
              hwclock | boot                         
             iptables |      default                 
              keymaps | boot                         
            killprocs |              shutdown        
                local |      default                 
           localmount | boot                         
             loopback | boot                         
             mount-ro |              shutdown        
                 mtab | boot                         
           ntp-client |      default                 
               procfs | boot                         
                 root | boot                         
            savecache |              shutdown        
            swapfiles |      default                 
               sysctl | boot                         
                sysfs | boot                         
            syslog-ng |      default                 
         tmpfiles.dev |                       sysinit
       tmpfiles.setup | boot                         
                 udev |                       sysinit
              urandom | boot                         
       wpa_supplicant |      default                 
                  xdm |      default                 
            zram-init |      default 

Reproducible: Always




# emerge --info
Portage 2.2.11-r1 (python 2.7.8-final-0, hardened/linux/amd64/selinux, gcc-4.9.0, glibc-2.19-r1, 3.15.7-hardened x86_64)
=================================================================
System uname: Linux-3.15.7-hardened-x86_64-Intel-R-_Core-TM-_i3_CPU_M_350_@_2.27GHz-with-gentoo-2.2
KiB Mem:     2996896 total,   2108572 free
KiB Swap:    5242860 total,   5242860 free
Timestamp of tree: Tue, 05 Aug 2014 00:45:01 +0000
ld GNU ld (Gentoo 2.24 p1.4) 2.24
app-shells/bash:          4.2_p47
dev-lang/python:          2.7.8, 3.4.1
dev-util/cmake:           2.8.12.2-r1
dev-util/pkgconfig:       0.28-r2
sys-apps/baselayout:      2.2
sys-apps/openrc:          9999
sys-apps/sandbox:         2.6-r1
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.11.6, 1.12.6, 1.14.1
sys-devel/binutils:       2.24-r3
sys-devel/gcc:            4.9.0
sys-devel/gcc-config:     1.8
sys-devel/libtool:        2.4.2-r1
sys-devel/make:           4.0-r1
sys-kernel/linux-headers: 3.16 (virtual/os-headers)
sys-libs/glibc:           2.19-r1
Repositories: gentoo x11 local-overlay
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA AdobeFlash-11.x google-chrome skype-4.0.0.7-copyright"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=native -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.5/ext-active/ /etc/php/cgi-php5.5/ext-active/ /etc/php/cli-php5.5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -march=native -pipe"
DISTDIR="/usr/portage/distfiles"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs clean-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox selinux sesandbox sfperms splitdebug strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync webrsync-gpg xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j4"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/var/lib/layman/x11 /home/amade/overlay"
SYNC=""
USE="X aac acl acpi alsa amd64 apache2 audit berkdb bzip2 caps cli cracklib crypt cxx dbus dri dvd ffmpeg flac gdbm gif git gnutls gold gpg hardened iconv icu ipv6 jpeg jpeg2k justify mmx mmxext mng modules mp3 multilib mysql mysqli ncurses nls nptl ogg open_perms opengl openmp pam pax_kernel pcre png qt3support readline selinux session sse sse2 sse4_1 sse4_2 ssl ssse3 svg tcpd theora threads thunar tiff udev unicode urandom usb v4l vaapi vdpau vim-syntax vorbis x264 xattr xcb xft xinerama xpm xtpax zlib zsh-completion" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_GB pl" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" QEMU_SOFTMMU_TARGETS="x86_64 ppc" RUBY_TARGETS="ruby20" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
Comment 1 Amadeusz Sławiński 2014-08-06 18:48:42 UTC
# dmesg | grep resolv
[   28.231502] audit: type=1400 audit(1407350381.234:15): avc:  denied  { read } for  pid=2197 comm="resolvconf" name="meminfo" dev="proc" ino=4026531993 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   28.252946] audit: type=1400 audit(1407350381.256:16): avc:  denied  { read } for  pid=2198 comm="mkdir" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   28.255274] audit: type=1400 audit(1407350381.258:17): avc:  denied  { read } for  pid=2199 comm="mkdir" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   28.333836] audit: type=1400 audit(1407350381.336:18): avc:  denied  { search } for  pid=2217 comm="dbus-send" name="dbus" dev="tmpfs" ino=7115 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:system_dbusd_var_run_t tclass=dir
[   28.471688] audit: type=1400 audit(1407350381.474:19): avc:  denied  { getattr } for  pid=2215 comm="resolvconf" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   28.473727] audit: type=1400 audit(1407350381.476:20): avc:  denied  { read } for  pid=2219 comm="install" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   28.474026] audit: type=1400 audit(1407350381.477:21): avc:  denied  { read } for  pid=2219 comm="install" name="dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   32.859426] audit: type=1400 audit(1407350385.861:223): avc:  denied  { read } for  pid=2626 comm="resolvconf" name="meminfo" dev="proc" ino=4026531993 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   32.880012] audit: type=1400 audit(1407350385.882:224): avc:  denied  { getattr } for  pid=2643 comm="resolvconf" path="/run/dnsmasq.pid" dev="tmpfs" ino=9353 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_var_run_t tclass=file
[   32.882511] audit: type=1400 audit(1407350385.884:225): avc:  denied  { search } for  pid=2645 comm="dbus-send" name="dbus" dev="tmpfs" ino=7115 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:system_dbusd_var_run_t tclass=dir
[   32.885359] audit: type=1400 audit(1407350385.887:226): avc:  denied  { getattr } for  pid=2643 comm="resolvconf" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   32.887249] audit: type=1400 audit(1407350385.889:227): avc:  denied  { read } for  pid=2648 comm="install" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   32.887506] audit: type=1400 audit(1407350385.889:228): avc:  denied  { read } for  pid=2648 comm="install" name="dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   32.887520] audit: type=1400 audit(1407350385.889:229): avc:  denied  { search } for  pid=2648 comm="install" name="dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   32.887535] audit: type=1400 audit(1407350385.889:230): avc:  denied  { getattr } for  pid=2648 comm="install" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   32.889289] audit: type=1400 audit(1407350385.891:231): avc:  denied  { getattr } for  pid=2643 comm="resolvconf" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   32.890825] audit: type=1400 audit(1407350385.892:232): avc:  denied  { read } for  pid=2650 comm="install" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   38.185676] audit: type=1400 audit(1407350391.186:255): avc:  denied  { read } for  pid=2710 comm="resolvconf" name="meminfo" dev="proc" ino=4026531993 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   38.193358] audit: type=1400 audit(1407350391.194:256): avc:  denied  { read } for  pid=2712 comm="mkdir" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   38.212839] audit: type=1400 audit(1407350391.213:257): avc:  denied  { getattr } for  pid=2729 comm="resolvconf" path="/run/dnsmasq.pid" dev="tmpfs" ino=8491 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_var_run_t tclass=file
[   38.215069] audit: type=1400 audit(1407350391.215:258): avc:  denied  { search } for  pid=2731 comm="dbus-send" name="dbus" dev="tmpfs" ino=7115 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:system_dbusd_var_run_t tclass=dir
[   38.217783] audit: type=1400 audit(1407350391.218:259): avc:  denied  { getattr } for  pid=2729 comm="resolvconf" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   38.219610] audit: type=1400 audit(1407350391.220:260): avc:  denied  { read } for  pid=2733 comm="install" name="filesystems" dev="proc" ino=4026532039 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:proc_t tclass=file
[   38.219841] audit: type=1400 audit(1407350391.220:261): avc:  denied  { read } for  pid=2733 comm="install" name="dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   38.219855] audit: type=1400 audit(1407350391.220:262): avc:  denied  { search } for  pid=2733 comm="install" name="dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   38.219870] audit: type=1400 audit(1407350391.220:263): avc:  denied  { getattr } for  pid=2733 comm="install" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
[   38.221494] audit: type=1400 audit(1407350391.222:264): avc:  denied  { getattr } for  pid=2729 comm="resolvconf" path="/etc/dnsmasq.d" dev="dm-0" ino=4850430 scontext=system_u:system_r:resolvconf_t tcontext=system_u:object_r:dnsmasq_etc_t tclass=dir
Comment 2 Jason Zaman gentoo-dev 2014-08-06 19:26:33 UTC
Looks like these are required:

dnsmasq_read_config(resolvconf_t)
dnsmasq_write_config(resolvconf_t)

confirmed on IRC that they fix the problem.
Comment 3 Jason Zaman gentoo-dev 2014-08-08 12:39:59 UTC
this has been pushed to the master branch
Comment 4 Sven Vermeulen (RETIRED) gentoo-dev 2014-08-09 19:48:14 UTC
r5 is in the tree, ~arch'ed
Comment 5 Sven Vermeulen (RETIRED) gentoo-dev 2014-08-22 17:49:42 UTC
r5 is stable