legacy/vendor/common/qmuxd.te

# Copyright (c) 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
# 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 qmuxd, domain;
type qmuxd_exec, exec_type, vendor_file_type, file_type;
net_domain(qmuxd)
init_daemon_domain(qmuxd)

userdebug_or_eng(`
  domain_auto_trans(shell, qmuxd_exec, qmuxd)
  #domain_auto_trans(adbd, qmuxd_exec, qmuxd)
')

#Allow qmuxd to operate on various qmux device sockets
#allow qmuxd qmux_radio_socket:dir { write add_name remove_name search };
#allow qmuxd qmux_radio_socket:sock_file { create setattr getattr write unlink };
#allow qmuxd qmux_audio_socket:dir { write add_name remove_name search };
#allow qmuxd qmux_audio_socket:sock_file { create setattr getattr write unlink };
#allow qmuxd qmux_gps_socket:dir { write add_name remove_name search };
#allow qmuxd qmux_gps_socket:sock_file { create setattr getattr write unlink };
#allow qmuxd qmux_bluetooth_socket:dir { write add_name remove_name search };
#allow qmuxd qmux_bluetooth_socket:sock_file { create setattr getattr write unlink };

qmux_socket(qmuxd);

#Allow logging
allow qmuxd {
    #Allow operation in platform specific transports
    smd_device
    hsic_device
    mhi_device
    smem_log_device
}:chr_file rw_file_perms;

#Allow qmuxd to operate in platform specific transports
allow qmuxd {
    sysfs_smd_open_timeout
    #Allow qmuxd to write in hsic specific transport
    sysfs
    sysfs_hsic_modem_wait
}:file w_file_perms;

allow qmuxd self:capability { setuid setgid setpcap };

#Allow qmuxd to have the CAP_BLOCK_SUSPEND capability
wakelock_use(qmuxd)

allow qmuxd mhi_device:chr_file rw_file_perms;

#Allow qmuxd to access to IPC router
allow qmuxd smem_log_device:chr_file rw_file_perms;
allow qmuxd qmuxd:socket create_socket_perms_no_ioctl;