generic/vendor/test/qguard.te

# Copyright (c) 2020, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
#       copyright notice, this list of conditions and the following
#       disclaimer in the documentation and/or other materials provided
#       with the distribution.
#     * Neither the name of The Linux Foundation nor the names of its
#       contributors may be used to endorse or promote products derived
#       from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

type vendor_qguard, domain, mlstrustedsubject;
type vendor_qguard_exec, exec_type, vendor_file_type, file_type;

init_daemon_domain(vendor_qguard)

userdebug_or_eng(`
  allow vendor_qguard self:global_capability_class_set kill;
  allow vendor_qguard kmsg_device:chr_file w_file_perms;
  allow vendor_qguard domain:process { signal sigstop sigkill };

  # sh
  #allow vendor_qguard { vendor_shell_exec vendor_toolbox_exec }:file rx_file_perms;

  # look through /proc
  allow vendor_qguard domain:dir r_dir_perms;
  allow vendor_qguard domain:file r_file_perms;
  allow vendor_qguard domain:lnk_file read;

  # write into hung_task_enh
  allow vendor_qguard proc:file { write open };

  # write into sysrq
  allow vendor_qguard proc_sysrq:file w_file_perms;

  # reboot
  set_prop(vendor_qguard, powerctl_prop)

  dontaudit vendor_qguard default_prop:file read;

  # black screen monitor
  allow vendor_qguard cgroup:file { read watch };
  allow vendor_qguard vendor_data_file:file create_file_perms;
  allow vendor_qguard vendor_data_file:dir create_dir_perms;

  r_dir_file(vendor_qguard, vendor_sysfs_graphics)

  vndbinder_use(vendor_qguard)
  binder_use(vendor_qguard)
  binder_call(vendor_qguard, servicemanager)

  allow vendor_qguard vendor_qdisplay_service:service_manager { find };

  hal_client_domain(vendor_qguard, vendor_hal_perf)
  hal_client_domain(vendor_qguard, hal_graphics_allocator)
  hal_client_domain(vendor_qguard, hal_graphics_composer)
')