Require a vendor_ prefix for users/groups in /vendor/etc/{passwd,group}
Bug: 79528966
Test: successful build with vendor_ prefixed users/groups
Test: expected build failure when not using vendor_ prefixed users/groups
Change-Id: If006c70178aa5bdcc9521a06ef8df2500f70bbb9
diff --git a/tools/fs_config/Android.mk b/tools/fs_config/Android.mk
index f946303..a01e702 100644
--- a/tools/fs_config/Android.mk
+++ b/tools/fs_config/Android.mk
@@ -254,7 +254,7 @@
include $(BUILD_HEADER_LIBRARY)
##################################
-# Generate the system/etc/passwd text file for the target
+# Generate the vendor/etc/passwd text file for the target
# This file may be empty if no AIDs are defined in
# TARGET_FS_CONFIG_GEN files.
include $(CLEAR_VARS)
@@ -270,10 +270,10 @@
$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config)
@mkdir -p $(dir $@)
- $(hide) $< passwd --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@
+ $(hide) $< passwd --required-prefix=vendor_ --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@
##################################
-# Generate the system/etc/group text file for the target
+# Generate the vendor/etc/group text file for the target
# This file may be empty if no AIDs are defined in
# TARGET_FS_CONFIG_GEN files.
include $(CLEAR_VARS)
@@ -289,7 +289,7 @@
$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config)
@mkdir -p $(dir $@)
- $(hide) $< group --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@
+ $(hide) $< group --required-prefix=vendor_ --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@
system_android_filesystem_config :=
endif
diff --git a/tools/fs_config/fs_config_generator.py b/tools/fs_config/fs_config_generator.py
index d51d075..ed63c0e 100755
--- a/tools/fs_config/fs_config_generator.py
+++ b/tools/fs_config/fs_config_generator.py
@@ -1235,12 +1235,19 @@
help='An android_filesystem_config.h file'
'to parse AIDs and OEM Ranges from')
+ opt_group.add_argument(
+ '--required-prefix',
+ required=False,
+ help='A prefix that the names are required to contain.')
+
def __call__(self, args):
hdr_parser = AIDHeaderParser(args['aid_header'])
parser = FSConfigFileParser(args['fsconfig'], hdr_parser.oem_ranges)
+ required_prefix = args['required_prefix']
+
aids = parser.aids
# nothing to do if no aids defined
@@ -1250,7 +1257,11 @@
print PasswdGen._GENERATED
for aid in aids:
- self._print_formatted_line(aid)
+ if required_prefix is None or aid.friendly.startswith(required_prefix):
+ self._print_formatted_line(aid)
+ else:
+ sys.exit("%s: AID '%s' must start with '%s'" %
+ (args['fsconfig'], aid.friendly, required_prefix))
def _print_formatted_line(self, aid):
"""Prints the aid to stdout in the passwd format. Internal use only.