1type statsd, domain, mlstrustedsubject;
2
3type statsd_exec, system_file_type, exec_type, file_type;
4binder_use(statsd)
5
6# Allow statsd to scan through /proc/pid for all processes.
7r_dir_file(statsd, domain)
8
9# Allow executing files on system, such as running a shell or running:
10#   /system/bin/toolbox
11#   /system/bin/logcat
12#   /system/bin/dumpsys
13allow statsd devpts:chr_file { getattr ioctl read write };
14allow statsd shell_exec:file rx_file_perms;
15allow statsd system_file:file execute_no_trans;
16allow statsd toolbox_exec:file rx_file_perms;
17
18userdebug_or_eng(`
19  allow statsd su:fifo_file read;
20')
21
22# Create, read, and write into /data/misc/stats-data, /data/misc/stats-system.
23allow statsd stats_data_file:dir create_dir_perms;
24allow statsd stats_data_file:file create_file_perms;
25
26# Allow statsd to make binder calls to any binder service.
27binder_call(statsd, appdomain)
28binder_call(statsd, healthd)
29binder_call(statsd, incidentd)
30binder_call(statsd, system_server)
31
32# Allow statsd to interact with gpuservice
33allow statsd gpu_service:service_manager find;
34binder_call(statsd, gpuservice)
35
36# Allow logd access.
37read_logd(statsd)
38control_logd(statsd)
39
40# Grant statsd with permissions to register the services.
41allow statsd {
42  app_api_service
43  incident_service
44  system_api_service
45}:service_manager find;
46
47# Grant statsd to access health hal to access battery metrics.
48allow statsd hal_health_hwservice:hwservice_manager find;
49
50# Allow statsd to send dump info to dumpstate
51allow statsd dumpstate:fd use;
52allow statsd dumpstate:fifo_file { getattr write };
53
54# Allow access to with hardware layer and process stats.
55allow statsd proc_uid_cputime_showstat:file { getattr open read };
56hal_client_domain(statsd, hal_health)
57hal_client_domain(statsd, hal_power)
58hal_client_domain(statsd, hal_power_stats)
59hal_client_domain(statsd, hal_thermal)
60
61# Allow 'adb shell cmd' to upload configs and download output.
62allow statsd adbd:fd use;
63allow statsd adbd:unix_stream_socket { getattr read write };
64allow statsd shell:fifo_file { getattr read write };
65
66unix_socket_send(statsd, statsdw, statsd)
67
68###
69### neverallow rules
70###
71
72# Only statsd and the other root services in limited circumstances.
73# can get to the files in /data/misc/stats-data, /data/misc/stats-service.
74# Other services are prohibitted from accessing the file.
75neverallow { domain -statsd -system_server -init -vold } stats_data_file:file *;
76
77# Limited access to the directory itself.
78neverallow { domain -statsd -system_server -init -vold } stats_data_file:dir *;
79