targetcli-fb/0003-saveconfig-set-right-perms-on-backup-dir.patch
Lee Duncan b0e48b3756 Accepting request 813263 from home:lee_duncan:branches:Base:System
- Added 4 upstream commits for CVE-2020-13867 (bsc#1172743),
  adding patches:
  * 0001-uds-set-right-permissions-at-bind-time.patch
  * 0002-saveconfig-set-0o600-perms-on-backupfiles.patch
  * 0003-saveconfig-set-right-perms-on-backup-dir.patch
  * 0004-saveconfig-set-right-perms-on-etc-target-dir.patch

OBS-URL: https://build.opensuse.org/request/show/813263
OBS-URL: https://build.opensuse.org/package/show/Base:System/targetcli-fb?expand=0&rev=43
2020-06-10 14:50:07 +00:00

50 lines
1.9 KiB
Diff

From 3bdef6d1aa1f64c03816af68bd5fb2bd1bbb29be Mon Sep 17 00:00:00 2001
From: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Date: Fri, 29 May 2020 15:05:35 +0530
Subject: [PATCH 3/4] saveconfig: set right perms on backup dir
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
---
targetcli/ui_root.py | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/targetcli/ui_root.py b/targetcli/ui_root.py
index 6e99b8cfcb78..b24c789f213d 100644
--- a/targetcli/ui_root.py
+++ b/targetcli/ui_root.py
@@ -109,12 +109,21 @@ class UIRoot(UINode):
backupfile = backup_dir + backup_name
backup_error = None
+ mode = stat.S_IRUSR | stat.S_IWUSR # 0o600
+ umask = 0o777 ^ mode # Prevents always downgrading umask to 0
+
if not os.path.exists(backup_dir):
+ umask_original = os.umask(umask)
try:
- os.makedirs(backup_dir)
+ os.makedirs(backup_dir, mode)
except OSError as exe:
raise ExecutionError("Cannot create backup directory [%s] %s."
% (backup_dir, exe.strerror))
+ finally:
+ os.umask(umask_original)
+ else:
+ if (os.stat(backup_dir).st_mode & 0o777) != mode:
+ os.chmod(backup_dir, mode)
# Only save backups if savefile exits
if not os.path.exists(savefile):
@@ -125,8 +134,6 @@ 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:
--
2.26.2