From 36dd2a410cfd1f95ba8dba44f0eda0c791ae71b6 Mon Sep 17 00:00:00 2001
From: yro <yro@google.com>
Date: Thu, 29 Mar 2018 11:07:13 -0700
Subject: [PATCH] Update sepolicy to have system_server access stats_data
Test: manually tested to prevent sepolicy violation
Change-Id: I9ebcc86464a9fc61a49d5c9be40f19f3523b6785
---
private/statsd.te | 4 ++--
private/system_server.te | 4 ++++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/private/statsd.te b/private/statsd.te
index dfec7a482..fec10a4b6 100644
--- a/private/statsd.te
+++ b/private/statsd.te
@@ -101,7 +101,7 @@ neverallow {
# Only statsd and the other root services in limited circumstances.
# can get to the files in /data/misc/stats-data, /data/misc/stats-service.
# Other services are prohibitted from accessing the file.
-neverallow { domain -statsd -init -vold } stats_data_file:file *;
+neverallow { domain -statsd -system_server -init -vold } stats_data_file:file *;
# Limited access to the directory itself.
-neverallow { domain -statsd -init -vold } stats_data_file:dir *;
+neverallow { domain -statsd -system_server -init -vold } stats_data_file:dir *;
diff --git a/private/system_server.te b/private/system_server.te
index 99c5442c4..0d9f72c17 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -135,6 +135,10 @@ allow system_server proc_uid_procstat_set:file { w_file_perms getattr };
# Write to /proc/sysrq-trigger.
allow system_server proc_sysrq:file rw_file_perms;
+# Delete /data/misc/stats-data/ and /data/misc/stats-service/ directories.
+allow system_server stats_data_file:dir { open read remove_name search write };
+allow system_server stats_data_file:file unlink;
+
# Read /sys/kernel/debug/wakeup_sources.
allow system_server debugfs:file r_file_perms;
allow system_server debugfs_wakeup_sources:file r_file_perms;
--
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