platform_system_sepolicy/public/statsd.te
Yao Chen e1d250891c Allow statsd to write stats log events to perfd(running as shell) via pipes.
Bug: 120921905
Test: locally tested
Change-Id: I23fda0f83daff8765f7946814a61588dac00c85a
2018-12-18 15:58:50 -08:00

83 lines
2.5 KiB
Text

type statsd, domain, mlstrustedsubject;
type statsd_exec, system_file_type, exec_type, file_type;
binder_use(statsd)
# Allow statsd to scan through /proc/pid for all processes.
r_dir_file(statsd, domain)
# Allow executing files on system, such as running a shell or running:
# /system/bin/toolbox
# /system/bin/logcat
# /system/bin/dumpsys
allow statsd devpts:chr_file { getattr ioctl read write };
allow statsd shell_exec:file rx_file_perms;
allow statsd system_file:file execute_no_trans;
allow statsd toolbox_exec:file rx_file_perms;
userdebug_or_eng(`
allow statsd su:fifo_file read;
')
# Create, read, and write into /data/misc/stats-data, /data/misc/stats-system.
allow statsd stats_data_file:dir create_dir_perms;
allow statsd stats_data_file:file create_file_perms;
# Allow statsd to make binder calls to any binder service.
binder_call(statsd, appdomain)
binder_call(statsd, healthd)
binder_call(statsd, incidentd)
userdebug_or_eng(`
binder_call(statsd, perfprofd)
')
binder_call(statsd, system_server)
# Allow logd access.
read_logd(statsd)
control_logd(statsd)
# Grant statsd with permissions to register the services.
allow statsd {
app_api_service
incident_service
userdebug_or_eng(`
perfprofd_service
')
system_api_service
}:service_manager find;
# Allow statsd to add as HIDL service.
add_hwservice(statsd, fwk_stats_hwservice)
# Grant statsd to access health hal to access battery metrics.
allow statsd hal_health_hwservice:hwservice_manager find;
# Allow statsd to send dump info to dumpstate
allow statsd dumpstate:fd use;
allow statsd dumpstate:fifo_file { getattr write };
# Allow access to with hardware layer and process stats.
allow statsd proc_uid_cputime_showstat:file { getattr open read };
hal_client_domain(statsd, hal_health)
hal_client_domain(statsd, hal_power)
hal_client_domain(statsd, hal_power_stats)
hal_client_domain(statsd, hal_thermal)
# Allow 'adb shell cmd' to upload configs and download output.
allow statsd adbd:fd use;
allow statsd adbd:unix_stream_socket { getattr read write };
allow statsd shell:fifo_file { getattr read write };
unix_socket_send(statsd, statsdw, statsd)
###
### neverallow rules
###
# Only statsd and the other root services in limited circumstances.
# can get to the files in /data/misc/stats-data, /data/misc/stats-service.
# Other services are prohibitted from accessing the file.
neverallow { domain -statsd -system_server -init -vold } stats_data_file:file *;
# Limited access to the directory itself.
neverallow { domain -statsd -system_server -init -vold } stats_data_file:dir *;