generic/vendor/common/tee.te

# Copyright (c) 2018-2019, 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
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# 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,
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# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
allow tee self:capability { chown setgid setuid sys_admin sys_rawio };

allow tee device:dir r_dir_perms;

set_prop(tee, vendor_tee_listener_prop)

allow tee firmware_file:dir search;
allow tee block_device:dir { getattr search };
allow tee vendor_rpmb_device:blk_file rw_file_perms;
allow tee vendor_rpmb_device:chr_file rw_file_perms;
allowxperm tee vendor_rpmb_device:chr_file ioctl { MMC_IOC_MULTI_CMD };
allow tee vendor_ssd_block_device:blk_file rw_file_perms;
allow tee vendor_sg_device:chr_file { rw_file_perms setattr };
allow tee vendor_bsg_device:chr_file rw_file_perms;

allow tee mnt_vendor_file:dir r_dir_perms;
allow tee vendor_persist_drm_file:dir create_dir_perms;
allow tee vendor_persist_drm_file:file create_file_perms;
allow tee vendor_persist_data_file:dir create_dir_perms;
allow tee vendor_persist_data_file:file create_file_perms;

allow tee vendor_time_daemon:unix_stream_socket connectto;

# Allow SFS to write to data partition
allow tee vendor_data_tzstorage_file:dir create_dir_perms;
allow tee vendor_data_tzstorage_file:file create_file_perms;

#secureUI
hal_client_domain(tee, vendor_hal_tui_comm);
hal_client_domain(tee, vendor_hal_qdutils_disp);
hal_client_domain(tee, hal_graphics_allocator);
vndbinder_use(tee);
allow tee vendor_qdisplay_service:service_manager find;
hal_client_domain(tee, hal_graphics_composer);
allow tee vendor_sysfs_sectouch:file rw_file_perms;
allow tee vendor_tui_data_file:file rw_file_perms;
allow tee vendor_tui_data_file:dir r_dir_perms;
allow tee graphics_device:chr_file rw_file_perms;

#OPS Listener
allow tee vendor_sysfs_graphics:dir r_dir_perms;
allow tee vendor_sysfs_graphics:file rw_file_perms;