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-rw-r--r--meta/lib/rootfspostcommands.py64
1 files changed, 47 insertions, 17 deletions
diff --git a/meta/lib/rootfspostcommands.py b/meta/lib/rootfspostcommands.py
index fdb9f5b850..5386eea409 100644
--- a/meta/lib/rootfspostcommands.py
+++ b/meta/lib/rootfspostcommands.py
@@ -1,16 +1,19 @@
#
+# Copyright OpenEmbedded Contributors
+#
# SPDX-License-Identifier: GPL-2.0-only
#
import os
-def sort_file(filename, mapping):
+def sort_shadowutils_file(filename, mapping):
"""
Sorts a passwd or group file based on the numeric ID in the third column.
If a mapping is given, the name from the first column is mapped via that
dictionary instead (necessary for /etc/shadow and /etc/gshadow). If not,
a new mapping is created on the fly and returned.
"""
+
new_mapping = {}
with open(filename, 'rb+') as f:
lines = f.readlines()
@@ -31,30 +34,57 @@ def sort_file(filename, mapping):
# We overwrite the entire file, i.e. no truncate() necessary.
f.seek(0)
f.write(b''.join(lines))
+
return new_mapping
-def remove_backup(filename):
+def sort_shadowutils_files(sysconfdir):
"""
- Removes the backup file for files like /etc/passwd.
+ Sorts shadow-utils 'passwd' and 'group' files in a rootfs' /etc directory
+ by ID.
"""
- backup_filename = filename + '-'
- if os.path.exists(backup_filename):
- os.unlink(backup_filename)
-def sort_passwd(sysconfdir):
- """
- Sorts passwd and group files in a rootfs /etc directory by ID.
- Backup files are sometimes are inconsistent and then cannot be
- sorted (YOCTO #11043), and more importantly, are not needed in
- the initial rootfs, so they get deleted.
- """
for main, shadow in (('passwd', 'shadow'),
('group', 'gshadow')):
filename = os.path.join(sysconfdir, main)
- remove_backup(filename)
if os.path.exists(filename):
- mapping = sort_file(filename, None)
+ mapping = sort_shadowutils_file(filename, None)
filename = os.path.join(sysconfdir, shadow)
- remove_backup(filename)
if os.path.exists(filename):
- sort_file(filename, mapping)
+ sort_shadowutils_file(filename, mapping)
+
+def remove_shadowutils_backup_file(filename):
+ """
+ Remove shadow-utils backup file for files like /etc/passwd.
+ """
+
+ backup_filename = filename + '-'
+ if os.path.exists(backup_filename):
+ os.unlink(backup_filename)
+
+def remove_shadowutils_backup_files(sysconfdir):
+ """
+ Remove shadow-utils backup files in a rootfs /etc directory. They are not
+ needed in the initial root filesystem and sorting them can be inconsistent
+ (YOCTO #11043).
+ """
+
+ for filename in (
+ 'group',
+ 'gshadow',
+ 'passwd',
+ 'shadow',
+ 'subgid',
+ 'subuid',
+ ):
+ filepath = os.path.join(sysconfdir, filename)
+ remove_shadowutils_backup_file(filepath)
+
+def tidy_shadowutils_files(sysconfdir):
+ """
+ Tidy up shadow-utils files.
+ """
+
+ remove_shadowutils_backup_files(sysconfdir)
+ sort_shadowutils_files(sysconfdir)
+
+ return True