commit: 136d58b22660009b8fba0fbf2a1a160aba8d9735 Author: Nicolas Iooss <nicolas.iooss <AT> m4x <DOT> org> AuthorDate: Tue Dec 27 13:44:58 2016 +0000 Commit: Jason Zaman <perfinion <AT> gentoo <DOT> org> CommitDate: Sun Jan 1 16:26:28 2017 +0000 URL: https://gitweb.gentoo.org/proj/hardened-refpolicy.git/commit/?id=136d58b2
systemd: add systemd-backlight policy The documentation page of this service describes well which access are needed (https://www.freedesktop.org/software/systemd/man/systemd-backlight <AT> .service.html). systemd-backlight: - is a systemd service - manages /var/lib/systemd/backlight/ - reads udev device properties to find ID_BACKLIGHT_CLAMP Signed-off-by: Nicolas Iooss <nicolas.iooss <AT> m4x.org> policy/modules/system/systemd.fc | 2 ++ policy/modules/system/systemd.te | 24 ++++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/policy/modules/system/systemd.fc b/policy/modules/system/systemd.fc index ff0f976..673bb68 100644 --- a/policy/modules/system/systemd.fc +++ b/policy/modules/system/systemd.fc @@ -28,7 +28,9 @@ /usr/lib/systemd/system/[^/]*shutdown.* -- gen_context(system_u:object_r:power_unit_t,s0) /usr/lib/systemd/system/[^/]*sleep.* -- gen_context(system_u:object_r:power_unit_t,s0) /usr/lib/systemd/system/[^/]*suspend.* -- gen_context(system_u:object_r:power_unit_t,s0) +/usr/lib/systemd/system/systemd-backlight.* -- gen_context(system_u:object_r:systemd_backlight_unit_t,s0) +/var/lib/systemd/backlight(/.*)? gen_context(system_u:object_r:systemd_backlight_var_lib_t,s0) /var/lib/systemd/linger(/.*)? gen_context(system_u:object_r:systemd_logind_var_lib_t,s0) /run/\.nologin[^/]* -- gen_context(system_u:object_r:systemd_sessions_var_run_t,s0) diff --git a/policy/modules/system/systemd.te b/policy/modules/system/systemd.te index 196abab..c50e93a 100644 --- a/policy/modules/system/systemd.te +++ b/policy/modules/system/systemd.te @@ -26,6 +26,12 @@ type systemd_backlight_t; type systemd_backlight_exec_t; init_system_domain(systemd_backlight_t, systemd_backlight_exec_t) +type systemd_backlight_unit_t; +init_unit_file(systemd_backlight_unit_t) + +type systemd_backlight_var_lib_t; +files_type(systemd_backlight_var_lib_t) + type systemd_binfmt_t; type systemd_binfmt_exec_t; init_system_domain(systemd_binfmt_t, systemd_binfmt_exec_t) @@ -140,6 +146,24 @@ logging_send_syslog_msg(systemd_log_parse_env_type) ###################################### # +# Backlight local policy +# + +allow systemd_backlight_t systemd_backlight_var_lib_t:dir manage_dir_perms; +init_var_lib_filetrans(systemd_backlight_t, systemd_backlight_var_lib_t, dir) +manage_files_pattern(systemd_backlight_t, systemd_backlight_var_lib_t, systemd_backlight_var_lib_t) + +systemd_log_parse_environment(systemd_backlight_t) + +# Allow systemd-backlight to write to /sys/class/backlight/*/brightness +dev_rw_sysfs(systemd_backlight_t) + +files_read_etc_files(systemd_backlight_t) + +udev_read_pid_files(systemd_backlight_t) + +###################################### +# # Cgroups local policy #
