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From 07866ad826b299194c1bfd7978e5077dde72a68e Mon Sep 17 00:00:00 2001
From: Yi Zhao <yi.zhao@windriver.com>
Date: Mon, 11 Oct 2021 10:10:10 +0800
Subject: [PATCH] policy/modules/admin/usermanage: allow useradd to relabel
user home files
Fixes:
avc: denied { relabelfrom } for pid=491 comm="useradd" name=".bashrc"
dev="vda" ino=12641 scontext=root:sysadm_r:useradd_t
tcontext=user_u:object_r:user_home_t tclass=file permissive=0
Upstream-Status: Inappropriate [embedded specific]
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
policy/modules/admin/usermanage.te | 2 ++
policy/modules/system/userdomain.if | 18 ++++++++++++++++++
2 files changed, 20 insertions(+)
diff --git a/policy/modules/admin/usermanage.te b/policy/modules/admin/usermanage.te
index 98646b4b4..50c479498 100644
--- a/policy/modules/admin/usermanage.te
+++ b/policy/modules/admin/usermanage.te
@@ -496,6 +496,7 @@ files_read_etc_runtime_files(useradd_t)
fs_search_auto_mountpoints(useradd_t)
fs_getattr_xattr_fs(useradd_t)
+fs_search_tmpfs(useradd_t)
mls_file_upgrade(useradd_t)
@@ -541,6 +542,7 @@ userdom_home_filetrans_user_home_dir(useradd_t)
userdom_manage_user_home_content_dirs(useradd_t)
userdom_manage_user_home_content_files(useradd_t)
userdom_user_home_dir_filetrans_user_home_content(useradd_t, notdevfile_class_set)
+userdom_relabel_user_home_content_files(useradd_t)
optional_policy(`
mta_manage_spool(useradd_t)
diff --git a/policy/modules/system/userdomain.if b/policy/modules/system/userdomain.if
index 22b3c1bf7..ec625170d 100644
--- a/policy/modules/system/userdomain.if
+++ b/policy/modules/system/userdomain.if
@@ -2362,6 +2362,24 @@ interface(`userdom_dontaudit_relabel_user_home_content_files',`
dontaudit $1 user_home_t:file relabel_file_perms;
')
+########################################
+## <summary>
+## Relabel user home files.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`userdom_relabel_user_home_content_files',`
+ gen_require(`
+ type user_home_t;
+ ')
+
+ allow $1 user_home_t:file relabel_file_perms;
+')
+
########################################
## <summary>
## Read user home subdirectory symbolic links.
--
2.17.1
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