vold_prepare_subdirs needs to recursively delete
Bug: 25861755
Test: Boot device, create user, create files, remove user, observe logs
Change-Id: I195514eb45a99c1093998786ab385338463269c0
Merged-In: I195514eb45a99c1093998786ab385338463269c0
(cherry picked from commit eb7340d94ed44b16cdb731590577a177e7046375)
diff --git a/public/vold.te b/public/vold.te
index 197eead..2c2f147 100644
--- a/public/vold.te
+++ b/public/vold.te
@@ -199,10 +199,10 @@
# Raw writes to misc block device
allow vold misc_block_device:blk_file w_file_perms;
-neverallow { domain -vold } vold_data_file:dir ~{ open create read getattr setattr search relabelto ioctl };
-neverallow { domain -vold -kernel } vold_data_file:notdevfile_class_set ~{ relabelto getattr };
+neverallow { domain -vold -vold_prepare_subdirs } vold_data_file:dir ~{ open create read getattr setattr search relabelto ioctl };
+neverallow { domain -vold -vold_prepare_subdirs -kernel } vold_data_file:notdevfile_class_set ~{ relabelto getattr };
neverallow { domain -vold -init -vold_prepare_subdirs } vold_data_file:dir *;
-neverallow { domain -vold -init -kernel } vold_data_file:notdevfile_class_set *;
+neverallow { domain -vold -init -vold_prepare_subdirs -kernel } vold_data_file:notdevfile_class_set *;
neverallow { domain -vold -init } restorecon_prop:property_service set;
# Only system_server and vdc can interact with vold over binder
diff --git a/public/vold_prepare_subdirs.te b/public/vold_prepare_subdirs.te
index ddb5882..cc4cdae 100644
--- a/public/vold_prepare_subdirs.te
+++ b/public/vold_prepare_subdirs.te
@@ -14,5 +14,6 @@
allow vold_prepare_subdirs file_contexts_file:file r_file_perms;
allow vold_prepare_subdirs self:capability dac_override;
allow vold_prepare_subdirs self:process setfscreate;
-allow vold_prepare_subdirs system_data_file:dir { add_name write };
-allow vold_prepare_subdirs vold_data_file:dir { create getattr setattr };
+allow vold_prepare_subdirs system_data_file:dir { open read write add_name remove_name };
+allow vold_prepare_subdirs vold_data_file:dir { create open read write search getattr setattr remove_name rmdir };
+allow vold_prepare_subdirs vold_data_file:file { getattr unlink };