platform_device_qcom_sepoli.../legacy/vendor/common/qmuxd.te
Ravi Kumar Siddojigari 880a69cd42 sepolicy : cleanup rule accessing to "sysfs"
As part of security hardening access to sysfs label related
sepolicy rules should be removed.
So cleaning all the  directory  reads  and   sysfs:file access
which were seen in the following .
  hal_bootctl
  hal_gnss_qti
  hal_pasrmanager
  pd_services
  ssr_diag
  ssr_setup
  thermal-engine
  qmuxd
  sensors
  hal_perf_default

Change-Id: I51e98a3f68211357e2bb1455f28a96fc3aad4d88
2019-03-07 18:24:30 +05:30

74 lines
3.1 KiB
Text

# 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
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;