tequilaOS/platform_system_sepolicy
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Merge "sepolicy: allow system server for BINDER_GET_FROZEN_INFO" am: 7be9e9e372

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Original change: https://android-review.googlesource.com/c/platform/system/sepolicy/+/1426049

Change-Id: I95d9f703df8b5f76b0b64fb0407f8833d9d3c0d2
This commit is contained in:
Marco Ballesio 2020-09-17 16:24:20 +00:00 committed by Automerger Merge Worker
commit c6f93be51b
2 changed files with 6 additions and 3 deletions
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8
private/system_server.te
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@ -1012,8 +1012,8 @@ get_prop(system_server, system_lmk_prop)
get_prop(system_server, wifi_config_prop) get_prop(system_server, wifi_config_prop)
# Only system server can access BINDER_FREEZE # Only system server can access BINDER_FREEZE and BINDER_GET_FROZEN_INFO
allowxperm system_server binder_device:chr_file ioctl { BINDER_FREEZE }; allowxperm system_server binder_device:chr_file ioctl { BINDER_FREEZE BINDER_GET_FROZEN_INFO };
### ###
### Neverallow rules ### Neverallow rules
@ -1236,4 +1236,6 @@ neverallow {
# BINDER_FREEZE is used to block ipc transactions to frozen processes, so it # BINDER_FREEZE is used to block ipc transactions to frozen processes, so it
# can be accessed by system_server only (b/143717177) # can be accessed by system_server only (b/143717177)
neverallowxperm { domain -system_server } binder_device:chr_file ioctl { BINDER_FREEZE }; # BINDER_GET_FROZEN_INFO is used by system_server to determine the state of a frozen binder
# interface
neverallowxperm { domain -system_server } binder_device:chr_file ioctl { BINDER_FREEZE BINDER_GET_FROZEN_INFO };

1
public/ioctl_defines
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@ -133,6 +133,7 @@ define(`BC_REPLY', `0x40406301')
define(`BC_REQUEST_DEATH_NOTIFICATION', `0x400c630e') define(`BC_REQUEST_DEATH_NOTIFICATION', `0x400c630e')
define(`BC_TRANSACTION', `0x40406300') define(`BC_TRANSACTION', `0x40406300')
define(`BINDER_FREEZE', `0x400c620e') define(`BINDER_FREEZE', `0x400c620e')
define(`BINDER_GET_FROZEN_INFO', `0xc00c620f')
define(`BINDER_GET_NODE_DEBUG_INFO', `0xc018620b') define(`BINDER_GET_NODE_DEBUG_INFO', `0xc018620b')
define(`BINDER_GET_NODE_INFO_FOR_REF', `0xc018620c') define(`BINDER_GET_NODE_INFO_FOR_REF', `0xc018620c')
define(`BINDER_SET_CONTEXT_MGR', `0x40046207') define(`BINDER_SET_CONTEXT_MGR', `0x40046207')