Dumpstate: convert to hidl implementation.

Bug: 31982882
Test: bug report runs on device

Change-Id: Ic14a3f325c41f064eb45d7584cd286d283cb51bf

3 files changed, 50 insertions, 11 deletions

diff --git a/sepolicy/file.te b/sepolicy/file.te
index 655f537..b210c17 100644
--- a/sepolicy/file.te
+++ b/sepolicy/file.te
@@ -1,7 +1,12 @@
+# Debug file types
+type debugfs_rpm, fs_type, debugfs_type;
+type debugfs_ipc, fs_type, debugfs_type;
+type debugfs_bufinfo, fs_type, debugfs_type;
+
 type sysfs_power_management, fs_type, sysfs_type;
 type sysfs_surfaceflinger, fs_type, sysfs_type;
 
-#file type for irqbalance socket
+# file type for irqbalance socket
 type msm_irqbalance_socket, file_type;
 
 # Default type for anything under /firmware
@@ -13,7 +18,7 @@ type adspd_socket, file_type;
 type mpdecision_socket, file_type;
 type qmuxd_socket, file_type;
 
-#location file types
+# location file types
 type location_data_file, file_type, data_file_type;
 type location_app_data_file, file_type, data_file_type;
 
@@ -33,7 +38,7 @@ type sysfs_devices_fingerprint,  sysfs_type, file_type;
 
 type sysfs_camera, sysfs_type, file_type;
 
-#type for persist partition
+# type for persist partition
 type persist_file, file_type;
 type persist_data_file, file_type;
 type persist_drm_file, file_type;
@@ -41,34 +46,37 @@ type persist_wifi_file, file_type;
 type persist_sensortool_file, file_type;
 type persist_camera_file, file_type;
 
-#File types required by mdm-helper
+# File types required by mdm-helper
 type sysfs_ssr,  sysfs_type, fs_type;
 type sysfs_ssr_toggle,  sysfs_type, file_type;
 type sysfs_hsic, sysfs_type, fs_type;
 type sysfs_hsic_host_rdy, sysfs_type, file_type;
 
-#type for thermal-engine
+# File types required by dumpstate implementation
+type sysfs_hwmon, fs_type, sysfs_type;
+
+# type for thermal-engine
 type thermal_socket, file_type;
 
-#type for perfd
+# type for perfd
 type sysfs_performance, sysfs_type, fs_type;
 
-#SurfaceFlinger file type for sysfs access
+# SurfaceFlinger file type for sysfs access
 type sysfs_graphics, sysfs_type, fs_type;
 type sysfs_display, sysfs_type, fs_type;
 
 # Files accessed by qcom-system-daemon
 type sysfs_socinfo, fs_type, sysfs_type;
 
-#type for uart
+# type for uart
 type sysfs_msmuart_file, sysfs_type, fs_type;
 
-#type for proc files
+# type for proc files
 type proc_irq, fs_type;
 type proc_kernel_sched, fs_type;
 
-#type for nanoapp_cmd
+# type for nanoapp_cmd
 type sysfs_nanoapp_cmd, sysfs_type, fs_type;
 
-#type for devstart
+# type for devstart
 type sysfs_audio, sysfs_type, fs_type;
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index 5330d2f..0f86022 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -1,3 +1,9 @@
+# Debug files
+/sys/kernel/debug/rpm_stats            u:object_r:debugfs_rpm:s0
+/sys/kernel/debug/rpm_master_stats     u:object_r:debugfs_rpm:s0
+/sys/kernel/debug/ipc_logging(/.*)?    u:object_r:debugfs_ipc:s0
+/sys/kernel/debug/dma_buf/bufinfo      u:object_r:debugfs_bufinfo:s0
+
 # NFC labeling
 /dev/pn548          u:object_r:nfc_device:s0
 /data/nfc(/.*)?     u:object_r:nfc_data_file:s0
@@ -123,11 +129,15 @@
 /system/bin/lowi-server            u:object_r:location_exec:s0
 /vendor/bin/slim_daemon            u:object_r:location_exec:s0
 
+/vendor/bin/hw/android\.hardware\.dumpstate@1\.0-service.bullhead      u:object_r:hal_dumpstate_impl_exec:s0
+
 # Sysfs files used by qmuxd
 /sys/devices/virtual/smdpkt/smdcntl([0-9])+/open_timeout u:object_r:sysfs_smdcntl_open_timeout:s0
 
 /sys/class/graphics/fb0/mdp/caps                                    u:object_r:sysfs_graphics:s0
+/sys/class/hwmon/hwmon2/device(/.*)?                                u:object_r:sysfs_hwmon:s0
 /sys/class/thermal(/.*)?                                            u:object_r:sysfs_thermal:s0
+/sys/devices/soc.0/qpnp-fg-18/power_supply/bms/battery_type         u:object_r:sysfs_batteryinfo:s0
 /sys/devices/platform/battery_current_limit                         u:object_r:sysfs_thermal:s0
 /sys/devices/virtual/graphics/fb([0-2])+/idle_time                  u:object_r:sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-2])+/dynamic_fps                u:object_r:sysfs_graphics:s0
diff --git a/sepolicy/hal_dumpstate_impl.te b/sepolicy/hal_dumpstate_impl.te
new file mode 100644
index 0000000..04f0c05
--- /dev/null
+++ b/sepolicy/hal_dumpstate_impl.te
@@ -0,0 +1,21 @@
+type hal_dumpstate_impl, domain, hal_dumpstate;
+type hal_dumpstate_impl_exec, exec_type, file_type;
+
+init_daemon_domain(hal_dumpstate_impl)
+
+# Execute dump scripts
+allow hal_dumpstate_impl shell_exec:file rx_file_perms;
+allow hal_dumpstate_impl toolbox_exec:file rx_file_perms;
+
+# Access to files for dumping
+allow hal_dumpstate_impl debugfs_rpm:file r_file_perms;
+allow hal_dumpstate_impl debugfs_ipc:dir r_dir_perms;
+allow hal_dumpstate_impl debugfs_ipc:file r_file_perms;
+allow hal_dumpstate_impl debugfs_bufinfo:file r_file_perms;
+allow hal_dumpstate_impl sysfs_batteryinfo:file r_file_perms;
+allow hal_dumpstate_impl sysfs_devices_system_cpu:dir r_dir_perms;
+allow hal_dumpstate_impl sysfs_devices_system_cpu:file r_file_perms;
+allow hal_dumpstate_impl sysfs_hwmon:file r_file_perms;
+allow hal_dumpstate_impl sysfs_thermal:dir r_dir_perms;
+allow hal_dumpstate_impl proc_interrupts:file r_file_perms;
+allow hal_dumpstate_impl pstorefs:dir r_dir_perms;