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# Author: Jamie Strandboge <jamie@canonical.com>
#include <tunables/global>
# We need 'flags=(attach_disconnected)' in newer chromium versions
/usr/lib/chromium/chromium flags=(attach_disconnected) {
#include <abstractions/audio>
#include <abstractions/cups-client>
#include <abstractions/dbus-session>
#include <abstractions/gnome>
#include <abstractions/ibus>
#include <abstractions/nameservice>
#include <abstractions/user-tmp>
# This include specifies which ubuntu-browsers.d abstractions to use. Eg, if
# you want access to productivity applications, adjust the following file
# accordingly.
##include <abstractions/ubuntu-browsers.d/chromium-browser>
# Networking
network inet stream,
network inet6 stream,
@{PROC}/[0-9]*/net/if_inet6 r,
@{PROC}/[0-9]*/net/ipv6_route r,
@{PROC}/sys/net/ipv4/tcp_fastopen r,
# Should maybe be in abstractions
/etc/mime.types r,
/etc/mailcap r,
/etc/mtab r,
/etc/xdg/xubuntu/applications/defaults.list r,
owner @{HOME}/.local/share/applications/defaults.list r,
owner @{HOME}/.local/share/applications/mimeinfo.cache r,
@{PROC}/[0-9]*/fd/ r,
@{PROC}/filesystems r,
@{PROC}/ r,
@{PROC}/[0-9]*/task/ r,
@{PROC}/[0-9]*/task/[0-9]*/stat r,
owner @{PROC}/[0-9]*/cmdline r,
owner @{PROC}/[0-9]*/io r,
@{PROC}/[0-9]*/smaps r,
owner @{PROC}/[0-9]*/stat r,
@{PROC}/[0-9]*/statm r,
owner @{PROC}/[0-9]*/status r,
deny @{PROC}/[0-9]*/oom_{,score_}adj w,
@{PROC}/sys/kernel/yama/ptrace_scope r,
# Newer chromium needs these now
/etc/udev/udev.conf r,
/sys/devices/system/cpu/ r,
/sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_max_freq r,
/sys/bus/pci/devices/ r,
/sys/devices/pci[0-9]*/**/class r,
/sys/devices/pci[0-9]*/**/device r,
/sys/devices/pci[0-9]*/**/irq r,
/sys/devices/pci[0-9]*/**/resource r,
/sys/devices/pci[0-9]*/**/vendor r,
/sys/devices/pci[0-9]*/**/removable r,
/sys/devices/pci[0-9]*/**/uevent r,
/sys/devices/pci[0-9]*/**/block/**/size r,
/sys/devices/virtual/block/**/removable r,
/sys/devices/virtual/block/**/uevent r,
/sys/devices/virtual/block/**/size r,
# This is requested, but doesn't seem to actually be needed so deny for now
deny /run/udev/data/** r,
# Needed for the crash reporter
owner @{PROC}/[0-9]*/auxv r,
# chromium mmaps all kinds of things for speed.
/etc/passwd m,
/usr/share/fonts/truetype/**/*.tt[cf] m,
/usr/share/fonts/opentype/**/*.tt[cf] m,
/usr/share/fonts/**/*.pfb m,
/usr/share/mime/mime.cache m,
/usr/share/icons/**/*.cache m,
owner /{dev,run}/shm/pulse-shm* m,
owner @{HOME}/.local/share/mime/mime.cache m,
owner /tmp/** m,
@{PROC}/sys/kernel/shmmax r,
owner /{dev,run}/shm/{,.}org.chromium.* mrw,
/usr/lib/chromium/*.pak mr,
/usr/lib/chromium/locales/* mr,
# Noisy
deny /usr/lib/chromium/** w,
# Allow ptracing ourselves
ptrace (trace) peer=@{profile_name},
# Make browsing directories work
#/ r,
#/**/ r,
# Allow access to documentation and other files the user may want to look
# at in /usr
/usr/{include,share,src}** r,
# Default profile allows downloads to ~/Downloads and uploads from ~/Public
# geht nicht
# deny /home/** r,
#deny @{HOME}/** r,
owner @{HOME}/Public/ r,
owner @{HOME}/Public/* r,
owner @{HOME}/Downloads/ r,
owner @{HOME}/Downloads/* rw,
# For migration
#owner @{HOME}/.mozilla/firefox/profiles.ini r,
#owner @{HOME}/.mozilla/firefox/*/prefs.js r,
# Helpers
/usr/bin/xdg-open ixr,
/usr/bin/gnome-open ixr,
/usr/bin/gvfs-open ixr,
/usr/bin/kdialog ixr,
# TODO: xfce
# Importing firefox settings (requires 'r' access to @{HOME}/.mozilla/**
# which is provided by abstractions/ubuntu-browsers.d/user-files).
/etc/firefox/profile/bookmarks.html r,
#owner @{HOME}/.mozilla/** k,
# Chromium configuration
owner @{HOME}/.pki/nssdb/* rwk,
owner @{HOME}/.cache/chromium/ rw,
owner @{HOME}/.cache/chromium/** rw,
owner @{HOME}/.cache/chromium/Cache/* mr,
owner @{HOME}/.config/chromium/ rw,
owner @{HOME}/.config/chromium/** rwk,
owner @{HOME}/.config/chromium/**/Cache/* mr,
owner @{HOME}/.config/chromium/Dictionaries/*.bdic mr,
owner @{HOME}/.config/chromium/**/Dictionaries/*.bdic mr,
# Allow transitions to ourself and our sandbox
/usr/lib/chromium/chromium ix,
/usr/lib/chromium/chromium-sandbox cx -> chromium_sandbox,
/usr/lib/chromium/chrome-sandbox cx -> chromium_browser_sandbox,
# Allow communicating with sandbox
unix (receive, send) peer=(label=/usr/lib/chromium/chromium//chromium_browser_sandbox),
/bin/ps Uxr,
/usr/lib/chromium/xdg-settings Cxr -> xdgsettings,
/usr/bin/xdg-settings Cxr -> xdgsettings,
/usr/bin/lsb_release Cxr -> lsb_release,
/usr/lib/chromium/icudtl.dat rm,
/usr/lib/chromium/natives_blob.bin rm,
/usr/lib/chromium/snaptshot_blob.bin rm,
# GSettings
owner /{,var/}run/user/*/dconf/ rw,
owner /{,var/}run/user/*/dconf/user rw,
owner @{HOME}/.config/dconf/user r,
profile xdgsettings flags=(attach_disconnected) {
#include <abstractions/bash>
#include <abstractions/gnome>
/bin/dash ixr,
/usr/bin/dbus-send ixr,
/usr/bin/xprop ixr,
/etc/ld.so.cache r,
/usr/bin/xdg-settings r,
/usr/lib/chromium/xdg-settings r,
/usr/share/applications/*.desktop r,
/bin/uname ixr,
# Checking default browser
/bin/grep ixr,
/bin/readlink ixr,
/bin/sed ixr,
/bin/which ixr,
/usr/bin/basename ixr,
/usr/bin/cut ixr,
# Setting the default browser
/bin/mkdir ixr,
/bin/mv ixr,
/bin/touch ixr,
/usr/bin/dirname ixr,
/usr/bin/gconftool-2 ix,
/usr/bin/[gm]awk ixr,
/usr/bin/xdg-mime ixr,
owner @{HOME}/.local/share/applications/ w,
owner @{HOME}/.local/share/applications/mimeapps.list* rw,
}
profile lsb_release flags=(attach_disconnected) {
#include <abstractions/base>
#include <abstractions/python>
/usr/bin/lsb_release r,
/bin/dash ixr,
/usr/bin/dpkg-query ixr,
/usr/include/python2.[4567]/pyconfig.h r,
/etc/lsb-release r,
/etc/debian_version r,
/var/lib/dpkg/** r,
/etc/dpkg/origins/debian r,
/usr/local/lib/python3.[0-4]/dist-packages/ r,
/usr/bin/ r,
/usr/bin/python2.7 r,
/usr/bin/python3.[0-4] r,
}
# Site-specific additions and overrides. See local/README for details.
#include <local/usr.bin.chromium-browser>
profile chromium_browser_sandbox flags=(attach_disconnected) {
# Be fanatical since it is setuid root and don't use an abstraction
/lib/libgcc_s.so* mr,
/lib/@{multiarch}/libgcc_s.so* mr,
/lib{,32,64}/libm-*.so* mr,
/lib/@{multiarch}/libm-*.so* mr,
/lib{,32,64}/libpthread-*.so* mr,
/lib/@{multiarch}/libpthread-*.so* mr,
/lib{,32,64}/libc-*.so* mr,
/lib/@{multiarch}/libc-*.so* mr,
/lib{,32,64}/libld-*.so* mr,
/lib/@{multiarch}/libld-*.so* mr,
/lib{,32,64}/ld-*.so* mr,
/lib/@{multiarch}/ld-*.so* mr,
/lib/tls/*/{cmov,nosegneg}/libm-*.so* mr,
/lib/tls/*/{cmov,nosegneg}/libpthread-*.so* mr,
/lib/tls/*/{cmov,nosegneg}/libc-*.so* mr,
/usr/lib/libstdc++.so* mr,
/usr/lib/@{multiarch}/libstdc++.so* mr,
/etc/ld.so.cache r,
# Required for dropping into PID namespace. Keep in mind that until the
# process drops this capability it can escape confinement, but once it
# drops CAP_SYS_ADMIN we are ok.
capability sys_admin,
# All of these are for sanely dropping from root and chrooting
capability chown,
capability fsetid,
capability setgid,
capability setuid,
capability dac_override,
capability sys_chroot,
capability sys_ptrace,
ptrace (read, readby),
unix (receive, send) peer=(label=/usr/lib/chromium/chromium),
unix (create),
unix peer=(label=@{profile_name}),
unix (getattr, getopt, setopt, shutdown) addr=none,
@{PROC}/ r,
@{PROC}/[0-9]*/ r,
@{PROC}/[0-9]*/fd/ r,
deny @{PROC}/[0-9]*/oom_adj w,
deny @{PROC}/[0-9]*/oom_score_adj w,
@{PROC}/[0-9]*/status r,
@{PROC}/[0-9]*/task/[0-9]*/stat r,
/usr/bin/chromium r,
/usr/lib/chromium/chromium Px,
/usr/lib/chromium/chromium-sandbox mr,
/usr/lib/chromium/chrome-sandbox mr,
/dev/null rw,
owner /tmp/** rw,
}
}
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