Home | History | Annotate | Download | only in sepolicy
      1 # dumpstate
      2 type dumpstate, domain;
      3 type dumpstate_exec, exec_type, file_type;
      4 
      5 init_daemon_domain(dumpstate)
      6 net_domain(dumpstate)
      7 binder_use(dumpstate)
      8 
      9 # Drop privileges by switching UID / GID
     10 allow dumpstate self:capability { setuid setgid };
     11 
     12 # Allow dumpstate to scan through /proc/pid for all processes
     13 r_dir_file(dumpstate, domain)
     14 
     15 # Send signals to processes
     16 allow dumpstate self:capability kill;
     17 
     18 # Allow executing files on system, such as:
     19 #   /system/bin/toolbox
     20 #   /system/bin/logcat
     21 #   /system/bin/dumpsys
     22 allow dumpstate system_file:file execute_no_trans;
     23 
     24 # Create and write into /data/anr/
     25 allow dumpstate self:capability { dac_override chown fowner fsetid };
     26 allow dumpstate anr_data_file:dir { rw_dir_perms relabelto };
     27 allow dumpstate anr_data_file:file create_file_perms;
     28 allow dumpstate system_data_file:dir { create_dir_perms relabelfrom };
     29 
     30 # Allow reading /data/system/uiderrors.txt
     31 # TODO: scope this down.
     32 allow dumpstate system_data_file:file r_file_perms;
     33 
     34 # Read dmesg
     35 allow dumpstate self:capability2 syslog;
     36 allow dumpstate kernel:system syslog_read;
     37 
     38 # Read /sys/fs/pstore/console-ramoops
     39 allow dumpstate pstorefs:dir r_dir_perms;
     40 allow dumpstate pstorefs:file r_file_perms;
     41 
     42 # Get process attributes
     43 allow dumpstate domain:process getattr;
     44 
     45 # Signal java processes to dump their stack
     46 allow dumpstate { appdomain system_server }:process signal;
     47 
     48 # Signal native processes to dump their stack.
     49 # This list comes from native_processes_to_dump in dumpstate/utils.c
     50 allow dumpstate { drmserver mediaserver sdcardd surfaceflinger }:process signal;
     51 
     52 # Execute and transition to the vdc domain
     53 domain_auto_trans(dumpstate, vdc_exec, vdc)
     54 
     55 # Vibrate the device after we're done collecting the bugreport
     56 # /sys/class/timed_output/vibrator/enable
     57 # TODO: create a new file class, instead of allowing write access to all of /sys
     58 allow dumpstate sysfs:file w_file_perms;
     59 
     60 # Other random bits of data we want to collect
     61 allow dumpstate qtaguid_proc:file r_file_perms;
     62 allow dumpstate debugfs:file r_file_perms;
     63 
     64 # Allow dumpstate to make binder calls to any binder service
     65 binder_call(dumpstate, binderservicedomain)
     66 binder_call(dumpstate, appdomain)
     67 
     68 # Reading /proc/PID/maps of other processes
     69 allow dumpstate self:capability sys_ptrace;
     70 
     71 # Allow the bugreport service to create a file in
     72 # /data/data/com.android.shell/files/bugreports/bugreport
     73 allow dumpstate shell_data_file:dir create_dir_perms;
     74 allow dumpstate shell_data_file:file create_file_perms;
     75 
     76 # Run a shell.
     77 allow dumpstate shell_exec:file rx_file_perms;
     78 
     79 # For running am and similar framework commands.
     80 # Run /system/bin/app_process.
     81 allow dumpstate zygote_exec:file rx_file_perms;
     82 # Dalvik Compiler JIT.
     83 allow dumpstate ashmem_device:chr_file execute;
     84 allow dumpstate dumpstate_tmpfs:file execute;
     85 allow dumpstate self:process execmem;
     86 # For art.
     87 allow dumpstate dalvikcache_data_file:file execute;
     88 
     89 # Dumpstate calls screencap, which grabs a screenshot. Needs gpu access
     90 allow dumpstate gpu_device:chr_file rw_file_perms;
     91 
     92 # logd access
     93 read_logd(dumpstate)
     94 control_logd(dumpstate)
     95 
     96 # Read network state info files.
     97 allow dumpstate net_data_file:dir search;
     98 allow dumpstate net_data_file:file r_file_perms;
     99 
    100 # Access /data/tombstones.
    101 allow dumpstate tombstone_data_file:dir r_dir_perms;
    102 allow dumpstate tombstone_data_file:file r_file_perms;
    103 
    104 # Access /system/bin executables to determine type of executable.
    105 allow dumpstate {drmserver_exec mediaserver_exec sdcardd_exec surfaceflinger_exec}:file r_file_perms;
    106