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targetcli-fb/0002-saveconfig-set-0o600-perms-on-backupfiles.patch

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From 1940a17986deaab92e6be395f20ee55dac0ac2bd Mon Sep 17 00:00:00 2001
From: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Date: Fri, 29 May 2020 14:51:28 +0530
Subject: [PATCH 2/4] saveconfig: set 0o600 perms on backupfiles
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
---
targetcli/ui_root.py | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/targetcli/ui_root.py b/targetcli/ui_root.py
index 26815bd2b8fa..6e99b8cfcb78 100644
--- a/targetcli/ui_root.py
+++ b/targetcli/ui_root.py
@@ -125,12 +125,17 @@ class UIRoot(UINode):
# Save backup if backup dir is empty, or savefile is differnt from recent backup copy
if not backed_files_list or not self._compare_files(backed_files_list[-1], savefile):
+ mode = stat.S_IRUSR | stat.S_IWUSR # 0o600
+ umask = 0o777 ^ mode # Prevents always downgrading umask to 0
+ umask_original = os.umask(umask)
try:
with open(savefile, 'rb') as f_in, gzip.open(backupfile, 'wb') as f_out:
shutil.copyfileobj(f_in, f_out)
f_out.flush()
except IOError as ioe:
backup_error = ioe.strerror or "Unknown error"
+ finally:
+ os.umask(umask_original)
if backup_error == None:
# remove excess backups
--
2.26.2