legacy/vendor/common/perfdump_app.te

# Copyright (c) 2018, 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 perfdump_app, domain;
app_domain(perfdump_app)

allow perfdump_app system_app_data_file:dir create_dir_perms;
allow perfdump_app system_app_data_file:file create_file_perms;

# systrace support
no_debugfs_restriction(`
  userdebug_or_eng(`
    allow perfdump_app debugfs_tracing:dir r_dir_perms;
    allow perfdump_app debugfs_tracing:file rw_file_perms;

    allow perfdump_app debugfs_tracing_debug:dir r_dir_perms;
    allow perfdump_app debugfs_tracing_debug:file rw_file_perms;

    allow perfdump_app debugfs_trace_marker:file getattr;
  ')
')

# perfdump sets debug.atrace.* properties
set_prop(perfdump_app, debug_prop)

# pokes binder-enabled processes
binder_use(perfdump_app)
allow perfdump_app servicemanager:service_manager list;
allow perfdump_app hwservicemanager:hwservice_manager list;
allow perfdump_app app_api_service:service_manager find;
allow perfdump_app surfaceflinger_service:service_manager find;
allow perfdump_app audioserver_service:service_manager find;
allow perfdump_app mediaserver_service:service_manager find;
binder_call(perfdump_app, system_server)

# dumpstate
#set_prop(perfdump_app, ctl_dumpstate_prop)
unix_socket_connect(perfdump_app, dumpstate, dumpstate)

dontaudit perfdump_app service_manager_type:service_manager *;
dontaudit perfdump_app hwservice_manager_type:hwservice_manager *;