PWN-Hunter/android_system_sepolicy
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Merge "Add recovery_persist & recovery_refresh" into nyc-dev

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This commit is contained in:
Mark Salyzyn 2016-03-24 19:53:14 +00:00 committed by Android (Google) Code Review
commit 6705526ddf
4 changed files with 64 additions and 0 deletions
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1
file.te
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@ -142,6 +142,7 @@ 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;

3
file_contexts
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@ -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

31
recovery_persist.te Normal file
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@ -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;

29
recovery_refresh.te Normal file
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@ -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;