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aoc: add permissions for new sysfs node

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Resolving the following audit denials:

- [    6.450477] type=1400 audit(1699468821.992:6): avc:  denied
{ read } for comm="aocd" name="notify_timeout_aoc_status"
dev="sysfs" ino=78572 scontext=u:r:aocd:s0
tcontext=u:object_r:sysfs_aoc:s0 tclass=file permissive=0

- type=1107 audit(0.0:9): uid=0 auid=4294967295 ses=4294967295
subj=u:r:init:s0 msg='avc: denied  { set } for
property=persist.vendor.aoc.status_request_timed_out
pid=1035 uid=0 gid=0 scontext=u:r:aocd:s0
tcontext=u:object_r:vendor_default_prop:s0
tclass=property_service permissive=0'
(and get for the same node)

Test: on device
Bug: 309950738
Change-Id: I476624a6d95667d47ada765d6fe392eecc615256
Signed-off-by: Alex Iacobucci <alexiacobucci@google.com>
This commit is contained in:
Alex Iacobucci 2023-11-09 17:56:06 +00:00
parent f382fb25df
commit 9035c70f06
4 changed files with 5 additions and 0 deletions
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2
aoc/sepolicy/aocd.te
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@ -10,6 +10,7 @@ r_dir_file(aocd, persist_aoc_file);
# sysfs operations # sysfs operations
allow aocd sysfs_aoc:dir search; allow aocd sysfs_aoc:dir search;
allow aocd sysfs_aoc_firmware:file w_file_perms; allow aocd sysfs_aoc_firmware:file w_file_perms;
allow aocd sysfs_aoc_notifytimeout:file r_file_perms;
# dev operations # dev operations
allow aocd aoc_device:chr_file rw_file_perms; allow aocd aoc_device:chr_file rw_file_perms;
@ -19,3 +20,4 @@ allow aocd device:dir r_dir_perms;
# set properties # set properties
set_prop(aocd, vendor_aoc_prop) set_prop(aocd, vendor_aoc_prop)
set_prop(aocd, vendor_timeout_aoc_prop)

1
aoc/sepolicy/file.te
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@ -4,6 +4,7 @@ type sysfs_aoc_boottime, sysfs_type, fs_type;
type sysfs_aoc_firmware, sysfs_type, fs_type; type sysfs_aoc_firmware, sysfs_type, fs_type;
type sysfs_aoc, sysfs_type, fs_type; type sysfs_aoc, sysfs_type, fs_type;
type sysfs_aoc_reset, sysfs_type, fs_type; type sysfs_aoc_reset, sysfs_type, fs_type;
type sysfs_aoc_notifytimeout, sysfs_type, fs_type;
# persist # persist
type persist_aoc_file, file_type, vendor_persist_type; type persist_aoc_file, file_type, vendor_persist_type;

1
aoc/sepolicy/property.te
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@ -1,2 +1,3 @@
# AoC # AoC
vendor_internal_prop(vendor_aoc_prop) vendor_internal_prop(vendor_aoc_prop)
vendor_internal_prop(vendor_timeout_aoc_prop)

1
aoc/sepolicy/property_contexts
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@ -1,2 +1,3 @@
# AoC # AoC
vendor.aoc.firmware.version u:object_r:vendor_aoc_prop:s0 vendor.aoc.firmware.version u:object_r:vendor_aoc_prop:s0
persist.vendor.aoc.status_request_timed_out u:object_r:vendor_timeout_aoc_prop:s0