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Allow multiple file modes in the FileChecker

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Resolves: #2072708
This commit is contained in:
Rob Crittenden 2022-04-28 17:22:47 -04:00
parent 69e72ce3e4
commit 26ea7cd4fd
2 changed files with 203 additions and 1 deletions
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198
0006-Allow-multiple-file-modes-in-the-FileChecker.patch Normal file
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@ -0,0 +1,198 @@
From 621a32bb892fa36cb2fd78a3f30f6080300b0bef Mon Sep 17 00:00:00 2001
From: Rob Crittenden <rcritten@redhat.com>
Date: Tue, 5 Apr 2022 09:25:45 -0400
Subject: [PATCH] Allow multiple file modes in the FileChecker
There are some cases where a strict file mode is not
necessary. The kadmind.log is one.
It is owned root:root so there is no real difference
between 0600 and 0640. So allow both.
https://bugzilla.redhat.com/show_bug.cgi?id=2058239
Signed-off-by: Rob Crittenden <rcritten@redhat.com>
---
src/ipahealthcheck/core/files.py | 31 ++++++++++++++++------
src/ipahealthcheck/ipa/files.py | 3 ++-
tests/test_core_files.py | 44 +++++++++++++++++++++++++++++---
3 files changed, 65 insertions(+), 13 deletions(-)
diff --git a/src/ipahealthcheck/core/files.py b/src/ipahealthcheck/core/files.py
index 0a7641e..59e8b76 100644
--- a/src/ipahealthcheck/core/files.py
+++ b/src/ipahealthcheck/core/files.py
@@ -16,7 +16,7 @@ class FileCheck:
files is a tuple of tuples. Each tuple consists of:
(path, expected_perm, expected_owner, expected_group)
- perm is in the form of a POSIX ACL: e.g. 0440, 0770.
+ perm is a POSIX ACL as either a string or tuple: e.g. 0440, (0770,).
owner and group are names or a tuple of names, not uid/gid.
If owner and/or group are tuples then all names are checked.
@@ -33,6 +33,8 @@ class FileCheck:
owner = tuple((owner,))
if not isinstance(group, tuple):
group = tuple((group,))
+ if not isinstance(mode, tuple):
+ mode = tuple((mode,))
if not os.path.exists(path):
for type in ('mode', 'owner', 'group'):
key = '%s_%s' % (path.replace('/', '_'), type)
@@ -43,19 +45,32 @@ class FileCheck:
stat = os.stat(path)
fmode = str(oct(stat.st_mode)[-4:])
key = '%s_mode' % path.replace('/', '_')
- if mode != fmode:
- if mode < fmode:
+ if fmode not in mode:
+ if len(mode) == 1:
+ modes = mode[0]
+ else:
+ modes = 'one of {}'.format(','.join(mode))
+ if all(m < fmode for m in mode):
yield Result(self, constants.WARNING, key=key,
- path=path, type='mode', expected=mode,
+ path=path, type='mode', expected=modes,
got=fmode,
msg='Permissions of %s are too permissive: '
- '%s and should be %s' % (path, fmode, mode))
- if mode > fmode:
+ '%s and should be %s' %
+ (path, fmode, modes))
+ elif all(m > fmode for m in mode):
yield Result(self, constants.ERROR, key=key,
- path=path, type='mode', expected=mode,
+ path=path, type='mode', expected=modes,
got=fmode,
msg='Permissions of %s are too restrictive: '
- '%s and should be %s' % (path, fmode, mode))
+ '%s and should be %s' %
+ (path, fmode, modes))
+ else:
+ yield Result(self, constants.ERROR, key=key,
+ path=path, type='mode', expected=modes,
+ got=fmode,
+ msg='Permissions of %s are unexpected: '
+ '%s and should be %s' %
+ (path, fmode, modes))
else:
yield Result(self, constants.SUCCESS, key=key,
type='mode', path=path)
diff --git a/src/ipahealthcheck/ipa/files.py b/src/ipahealthcheck/ipa/files.py
index 4728171..c86be0d 100644
--- a/src/ipahealthcheck/ipa/files.py
+++ b/src/ipahealthcheck/ipa/files.py
@@ -123,7 +123,8 @@ class IPAFileCheck(IPAPlugin, FileCheck):
self.files.append((paths.IPA_CUSTODIA_AUDIT_LOG,
'root', 'root', '0644'))
- self.files.append((paths.KADMIND_LOG, 'root', 'root', '0600'))
+ self.files.append((paths.KADMIND_LOG, 'root', 'root',
+ ('0600', '0640')))
self.files.append((paths.KRB5KDC_LOG, 'root', 'root', '0640'))
inst = api.env.realm.replace('.', '-')
diff --git a/tests/test_core_files.py b/tests/test_core_files.py
index 10824ab..6e3ec38 100644
--- a/tests/test_core_files.py
+++ b/tests/test_core_files.py
@@ -17,7 +17,8 @@ nobody = pwd.getpwnam('nobody')
files = (('foo', 'root', 'root', '0660'),
('bar', 'nobody', 'nobody', '0664'),
('baz', ('root', 'nobody'), ('root', 'nobody'), '0664'),
- ('fiz', ('root', 'bin'), ('root', 'bin'), '0664'),)
+ ('fiz', ('root', 'bin'), ('root', 'bin'), '0664'),
+ ('zap', ('root', 'bin'), ('root', 'bin'), ('0664', '0640'),))
def make_stat(mode=33200, uid=0, gid=0):
@@ -27,6 +28,13 @@ def make_stat(mode=33200, uid=0, gid=0):
mode = 0660
owner = root
group = root
+
+ Cheat sheet equivalents:
+ 0600 = 33152
+ 0640 = 33184
+ 0644 = 33188
+ 0660 = 33200
+ 0666 = 33206
"""
# (mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime)
return posix.stat_result((mode, 1, 42, 1, uid, gid, 0, 1, 1, 1,))
@@ -81,6 +89,11 @@ def test_files_owner(mock_stat):
assert my_results.results[3].kw.get('msg') == \
'Ownership of fiz is nobody and should be one of root,bin'
+ assert my_results.results[4].result == constants.WARNING
+ assert my_results.results[4].kw.get('got') == 'nobody'
+ assert my_results.results[4].kw.get('expected') == 'root,bin'
+ assert my_results.results[4].kw.get('type') == 'owner'
+
@patch('os.stat')
def test_files_group(mock_stat):
@@ -119,6 +132,11 @@ def test_files_group(mock_stat):
assert my_results.results[3].kw.get('msg') == \
'Group of fiz is nobody and should be one of root,bin'
+ assert my_results.results[4].result == constants.WARNING
+ assert my_results.results[4].kw.get('got') == 'nobody'
+ assert my_results.results[4].kw.get('expected') == 'root,bin'
+ assert my_results.results[4].kw.get('type') == 'group'
+
@patch('os.stat')
def test_files_mode(mock_stat):
@@ -133,17 +151,35 @@ def test_files_mode(mock_stat):
assert my_results.results[0].result == constants.SUCCESS
assert my_results.results[1].result == constants.ERROR
- mock_stat.return_value = make_stat(mode=33152)
+ # Too restrictive
+ mock_stat.return_value = make_stat(mode=33152) # 0600
results = capture_results(f)
my_results = get_results(results, 'mode')
assert my_results.results[0].result == constants.ERROR
assert my_results.results[1].result == constants.ERROR
+ assert my_results.results[2].result == constants.ERROR
+ assert my_results.results[3].result == constants.ERROR
+ assert my_results.results[4].result == constants.ERROR
- mock_stat.return_value = make_stat(mode=33206)
+ # Too permissive
+ mock_stat.return_value = make_stat(mode=33206) # 0666
results = capture_results(f)
my_results = get_results(results, 'mode')
assert my_results.results[0].result == constants.WARNING
assert my_results.results[1].result == constants.WARNING
+ assert my_results.results[2].result == constants.WARNING
+ assert my_results.results[3].result == constants.WARNING
+ assert my_results.results[4].result == constants.WARNING
+
+ # Too restrictive with allowed multi-mode value
+ mock_stat.return_value = make_stat(mode=33184) # 0640
+ results = capture_results(f)
+ my_results = get_results(results, 'mode')
+ assert my_results.results[0].result == constants.ERROR
+ assert my_results.results[1].result == constants.ERROR
+ assert my_results.results[2].result == constants.ERROR
+ assert my_results.results[3].result == constants.ERROR
+ assert my_results.results[4].result == constants.SUCCESS
@patch('os.path.exists')
@@ -157,7 +193,7 @@ def test_files_not_found(mock_exists):
for type in ('mode', 'group', 'owner'):
my_results = get_results(results, type)
- assert len(my_results.results) == 4
+ assert len(my_results.results) == len(f.files)
for result in my_results.results:
assert result.result == constants.SUCCESS
assert result.kw.get('msg') == 'File does not exist'
--
2.31.1

6
freeipa-healthcheck.spec
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@ -17,7 +17,7 @@
Name: %{prefix}-healthcheck
Version: 0.9
Release: 5%{?dist}
Release: 6%{?dist}
Summary: Health check tool for %{productname}
BuildArch: noarch
License: GPLv3
@ -30,6 +30,7 @@ Patch0002: 0002-Handle-files-that-don-t-exist-in-FileCheck.patch
Patch0003: 0003-Allow-for-HIDDEN_SERVICE-when-checking-ADTRUST-servi.patch
Patch0004: 0004-Use-the-subject-base-from-the-IPA-configuration-not-.patch
Patch0005: 0005-Unify-command-line-options-and-configuration.patch
Patch0006: 0006-Allow-multiple-file-modes-in-the-FileChecker.patch
Requires: %{name}-core = %{version}-%{release}
Requires: %{prefix}-server
@ -159,6 +160,9 @@ PYTHONPATH=src PATH=$PATH:$RPM_BUILD_ROOT/usr/bin pytest-3 tests/test_*
%changelog
* Thu Apr 28 2022 Rob Crittenden <rcritten@redhat.com> - 0.9-6
- Allow multiple file modes in the FileChecker (#2072708)
* Wed Apr 06 2022 Rob Crittenden <rcritten@redhat.com> - 0.9-5
- Add CLI options to healthcheck configuration file (#2070981)