From 3526a6696fdc2b7d3b7a8fe452ce8b287160c42b Mon Sep 17 00:00:00 2001
From: Adam Lesinski <adamlesinski@google.com>
Date: Tue, 12 May 2015 17:14:35 -0700
Subject: [PATCH] Allow system_server to read/write /proc/uid_cputime/ module
Bug:20182139
Change-Id: I1829a83c7d8e2698715e424a688a2753d65de868
---
file.te | 2 ++
genfs_contexts | 3 +++
system_server.te | 6 ++++++
3 files changed, 11 insertions(+)
diff --git a/file.te b/file.te
index 815c89216..3bbf9a5b4 100644
--- a/file.te
+++ b/file.te
@@ -13,6 +13,8 @@ type proc_bluetooth_writable, fs_type;
type proc_cpuinfo, fs_type;
type proc_net, fs_type;
type proc_sysrq, fs_type;
+type proc_uid_cputime_showstat, fs_type;
+type proc_uid_cputime_removeuid, fs_type;
type selinuxfs, fs_type, mlstrustedobject;
type cgroup, fs_type, mlstrustedobject;
type sysfs, fs_type, sysfs_type, mlstrustedobject;
diff --git a/genfs_contexts b/genfs_contexts
index 4b16ffc1f..f7967860a 100644
--- a/genfs_contexts
+++ b/genfs_contexts
@@ -20,6 +20,9 @@ genfscon proc /sys/kernel/randomize_va_space u:object_r:proc_security:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/mmap_min_addr u:object_r:proc_security:s0
+genfscon proc /uid_cputime/show_uid_stat u:object_r:proc_uid_cputime_showstat:s0
+genfscon proc /uid_cputime/remove_uid_range u:object_r:proc_uid_cputime_removeuid:s0
+
# selinuxfs booleans can be individually labeled.
genfscon selinuxfs / u:object_r:selinuxfs:s0
genfscon cgroup / u:object_r:cgroup:s0
diff --git a/system_server.te b/system_server.te
index 5e0982e2a..fb163970c 100644
--- a/system_server.te
+++ b/system_server.te
@@ -89,6 +89,12 @@ r_dir_file(system_server, domain)
allow system_server qtaguid_proc:file rw_file_perms;
allow system_server qtaguid_device:chr_file rw_file_perms;
+# Read /proc/uid_cputime/show_uid_stat.
+allow system_server proc_uid_cputime_showstat:file r_file_perms;
+
+# Write /proc/uid_cputime/remove_uid_range.
+allow system_server proc_uid_cputime_removeuid:file { w_file_perms getattr };
+
# Write to /proc/sysrq-trigger.
allow system_server proc_sysrq:file rw_file_perms;
--
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