835881aaa4
Let statsd find the service. The system server wants to read file attributes for the perfprofd dropbox file. Bug: 73175642 Test: m Test: manual Change-Id: I0c0b1dac057af90fff440286226093ec15b5e247
119 lines
3.6 KiB
Text
119 lines
3.6 KiB
Text
type statsd, domain, mlstrustedsubject;
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typeattribute statsd coredomain;
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init_daemon_domain(statsd)
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type statsd_exec, exec_type, file_type;
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binder_use(statsd)
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# Allow statsd to scan through /proc/pid for all processes.
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r_dir_file(statsd, domain)
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# Allow executing files on system, such as running a shell or running:
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# /system/bin/toolbox
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# /system/bin/logcat
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# /system/bin/dumpsys
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allow statsd devpts:chr_file { getattr ioctl read write };
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allow statsd shell_exec:file rx_file_perms;
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allow statsd system_file:file execute_no_trans;
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allow statsd toolbox_exec:file rx_file_perms;
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userdebug_or_eng(`
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allow statsd su:fifo_file read;
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')
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# Create, read, and write into /data/misc/stats-data, /data/misc/stats-system.
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allow statsd stats_data_file:dir create_dir_perms;
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allow statsd stats_data_file:file create_file_perms;
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# Allow statsd to make binder calls to any binder service.
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binder_call(statsd, appdomain)
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binder_call(statsd, healthd)
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binder_call(statsd, incidentd)
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userdebug_or_eng(`
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binder_call(statsd, perfprofd)
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')
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binder_call(statsd, statscompanion_service)
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binder_call(statsd, system_server)
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# Allow logd access.
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read_logd(statsd)
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control_logd(statsd)
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# Allow to exec the perfetto cmdline client and pass it the trace config on
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# stdint through a pipe. It allows statsd to capture traces and hand them
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# to Android dropbox.
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allow statsd perfetto_exec:file rx_file_perms;
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domain_auto_trans(statsd, perfetto_exec, perfetto)
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# Grant statsd with permissions to register the services.
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allow statsd {
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app_api_service
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incident_service
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userdebug_or_eng(`
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perfprofd_service
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')
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statscompanion_service
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system_api_service
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}:service_manager find;
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# Grant statsd to access health hal to access battery metrics.
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allow statsd hal_health_hwservice:hwservice_manager find;
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# Only statsd can publish the binder service.
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add_service(statsd, stats_service)
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# Allow pipes from (and only from) stats.
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allow statsd stats:fd use;
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allow statsd stats:fifo_file write;
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# Allow statsd to send dump info to dumpstate
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allow statsd dumpstate:fd use;
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allow statsd dumpstate:fifo_file { getattr write };
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# Allow statsd to call back to stats with status updates.
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binder_call(statsd, stats)
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# Allow access to with hardware layer and process stats.
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allow statsd proc_uid_cputime_showstat:file { getattr open read };
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hal_client_domain(statsd, hal_health)
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hal_client_domain(statsd, hal_power)
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hal_client_domain(statsd, hal_thermal)
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# Allow 'adb shell cmd' to upload configs and download output.
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allow statsd adbd:fd use;
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allow statsd adbd:unix_stream_socket { getattr read write };
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allow statsd shell:fifo_file { getattr read };
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unix_socket_send(bluetooth, statsdw, statsd)
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unix_socket_send(bootstat, statsdw, statsd)
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unix_socket_send(lmkd, statsdw, statsd)
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unix_socket_send(platform_app, statsdw, statsd)
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unix_socket_send(radio, statsdw, statsd)
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unix_socket_send(statsd, statsdw, statsd)
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unix_socket_send(system_server, statsdw, statsd)
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###
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### neverallow rules
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###
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# Only system_server, system_app, traceur_app, and stats command can find the stats service.
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neverallow {
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domain
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-dumpstate
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-priv_app
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-shell
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-stats
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-statsd
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-system_app
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-system_server
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-traceur_app
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} stats_service:service_manager find;
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# Only statsd and the other root services in limited circumstances.
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# can get to the files in /data/misc/stats-data, /data/misc/stats-service.
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# Other services are prohibitted from accessing the file.
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neverallow { domain -statsd -system_server -init -vold } stats_data_file:file *;
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# Limited access to the directory itself.
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neverallow { domain -statsd -system_server -init -vold } stats_data_file:dir *;
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