Yifan Hong | 18ade86 | 2019-03-14 15:45:03 -0700 | [diff] [blame^] | 1 | type lpdumpd, domain, coredomain; |
| 2 | type lpdumpd_exec, system_file_type, exec_type, file_type; |
| 3 | |
| 4 | init_daemon_domain(lpdumpd) |
| 5 | |
| 6 | # Allow lpdumpd to register itself as a service. |
| 7 | binder_use(lpdumpd) |
| 8 | add_service(lpdumpd, lpdump_service) |
| 9 | |
| 10 | # Allow lpdumpd to find the super partition block device. |
| 11 | allow lpdumpd block_device:dir r_dir_perms; |
| 12 | |
| 13 | # Allow lpdumpd to read super partition metadata. This may live on |
| 14 | # super_block_device, or system_block_device (on retrofit devices). |
| 15 | allow lpdumpd { |
| 16 | super_block_device |
| 17 | system_block_device |
| 18 | }:blk_file r_file_perms; |
| 19 | |
| 20 | # Allow lpdumpd to read fstab. |
| 21 | allow lpdumpd sysfs_dt_firmware_android:dir r_dir_perms; |
| 22 | allow lpdumpd sysfs_dt_firmware_android:file r_file_perms; |
| 23 | |
| 24 | # Triggered when lpdumpd tries to read default fstab. |
| 25 | dontaudit lpdumpd metadata_file:dir r_dir_perms; |
| 26 | dontaudit lpdumpd metadata_file:file r_file_perms; |
| 27 | dontaudit lpdumpd gsi_metadata_file:dir r_dir_perms; |
| 28 | dontaudit lpdumpd gsi_metadata_file:file r_file_perms; |
| 29 | |
| 30 | ### Neverallow rules |
| 31 | |
| 32 | # Disallow other domains to get lpdump_service and call lpdumpd. |
| 33 | neverallow { |
| 34 | domain |
| 35 | -dumpstate |
| 36 | -lpdumpd |
| 37 | -shell |
| 38 | } lpdump_service:service_manager find; |
| 39 | |
| 40 | neverallow { |
| 41 | domain |
| 42 | -dumpstate |
| 43 | -lpdumpd |
| 44 | -shell |
| 45 | } lpdumpd:binder call; |