diff --git a/file.te b/file.te index 53fac044e162b00607773b37933c66162b947ef1..2fff54b7f1f39dca26530b1aeac9eeaab602b822 100644 --- a/file.te +++ b/file.te @@ -139,6 +139,7 @@ type misc_user_data_file, file_type, data_file_type; type net_data_file, file_type, data_file_type; type nfc_data_file, file_type, data_file_type; type radio_data_file, file_type, data_file_type, mlstrustedobject; +type recovery_data_file, file_type, data_file_type; type shared_relro_file, file_type, data_file_type; type systemkeys_data_file, file_type, data_file_type; type vpn_data_file, file_type, data_file_type; diff --git a/file_contexts b/file_contexts index 9ffc3c3eed6703c020548c568518ca8894a1d6a8..b3e4e93f3652cf1c0505f099457c1214982bf30c 100644 --- a/file_contexts +++ b/file_contexts @@ -181,6 +181,8 @@ /system/bin/debuggerd u:object_r:debuggerd_exec:s0 /system/bin/debuggerd64 u:object_r:debuggerd_exec:s0 /system/bin/wpa_supplicant u:object_r:wpa_exec:s0 +/system/bin/recovery-persist u:object_r:recovery_persist_exec:s0 +/system/bin/recovery-refresh u:object_r:recovery_refresh_exec:s0 /system/bin/sdcard u:object_r:sdcardd_exec:s0 /system/bin/dhcpcd u:object_r:dhcp_exec:s0 /system/bin/dhcpcd-6.8.2 u:object_r:dhcp_exec:s0 @@ -278,6 +280,7 @@ /data/misc/logd(/.*)? u:object_r:misc_logd_file:s0 /data/misc/media(/.*)? u:object_r:media_data_file:s0 /data/misc/net(/.*)? u:object_r:net_data_file:s0 +/data/misc/recovery(/.*)? u:object_r:recovery_data_file:s0 /data/misc/shared_relro(/.*)? u:object_r:shared_relro_file:s0 /data/misc/sms(/.*)? u:object_r:radio_data_file:s0 /data/misc/systemkeys(/.*)? u:object_r:systemkeys_data_file:s0 diff --git a/recovery_persist.te b/recovery_persist.te new file mode 100644 index 0000000000000000000000000000000000000000..19a240f89b778f259f410d8d39f134eadbdc2a55 --- /dev/null +++ b/recovery_persist.te @@ -0,0 +1,31 @@ +# android recovery persistent log manager +type recovery_persist, domain; +type recovery_persist_exec, exec_type, file_type; + +init_daemon_domain(recovery_persist) + +allow recovery_persist pstorefs:dir search; +allow recovery_persist pstorefs:file r_file_perms; + +allow recovery_persist recovery_data_file:file create_file_perms; +allow recovery_persist recovery_data_file:dir create_dir_perms; + +### +### Neverallow rules +### +### recovery_persist should NEVER do any of this + +# Block device access. +neverallow recovery_persist dev_type:blk_file { read write }; + +# ptrace any other app +neverallow recovery_persist domain:process ptrace; + +# Write to /system. +neverallow recovery_persist system_file:dir_file_class_set write; + +# Write to files in /data/data +neverallow recovery_persist { app_data_file system_data_file }:dir_file_class_set write; + +# recovery_persist is not allowed to write anywhere other than recovery_data_file +neverallow recovery_persist { file_type -recovery_data_file -recovery_persist_tmpfs userdebug_or_eng(`-coredump_file') }:file write; diff --git a/recovery_refresh.te b/recovery_refresh.te new file mode 100644 index 0000000000000000000000000000000000000000..9fae1104c9f6c81be7d1dd609b04d7e0a8afbea8 --- /dev/null +++ b/recovery_refresh.te @@ -0,0 +1,29 @@ +# android recovery refresh log manager +type recovery_refresh, domain; +type recovery_refresh_exec, exec_type, file_type; + +init_daemon_domain(recovery_refresh) + +allow recovery_refresh pstorefs:dir search; +allow recovery_refresh pstorefs:file r_file_perms; +# NB: domain inherits write_logd which hands us write to pmsg_device + +### +### Neverallow rules +### +### recovery_refresh should NEVER do any of this + +# Block device access. +neverallow recovery_refresh dev_type:blk_file { read write }; + +# ptrace any other app +neverallow recovery_refresh domain:process ptrace; + +# Write to /system. +neverallow recovery_refresh system_file:dir_file_class_set write; + +# Write to files in /data/data or system files on /data +neverallow recovery_refresh { app_data_file system_data_file }:dir_file_class_set write; + +# recovery_refresh is not allowed to write anywhere +neverallow recovery_refresh { file_type -recovery_refresh_tmpfs userdebug_or_eng(`-coredump_file') }:file write;