janware/jw-python
1
mirror of ssh://git.janware.com/srv/git/janware/proj/jw-python synced 2026-01-15 09:53:32 +01:00
Code Releases Activity

Config: Support refuse_mode_mask

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refuse_mode_mask can be passed to the constructor and determines
which permission bits need to be absent from config file modes if
they smell like they contain secrets.

Signed-off-by: Jan Lindemann <jan@janware.com>
This commit is contained in:
Jan Lindemann 2025-01-30 09:54:03 +01:00
commit e688cd2364
1 changed files with 18 additions and 16 deletions
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34
tools/python/jwutils/Config.py
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@ -13,7 +13,7 @@ from .log import *
class Config(): # export
def __load(self, search_dirs, glob_paths):
def __load(self, search_dirs, glob_paths, refuse_mode_mask):
def __is_abs(path):
if path is None:
@ -45,26 +45,27 @@ class Config(): # export
paths_buf = []
tree = stree.read(f, paths_buf=paths_buf)
assert(len(paths_buf))
for p in paths_buf:
st = os.stat(p)
if st.st_mode & 0o0077:
for item in tree.child_list():
if item.content is None:
continue
if not re.search('password|secret', cast(str, item.content), flags=re.IGNORECASE):
continue
msg = "Config files define secret, but at least one has file permissions open for group or world"
slog(ERR, f'{msg}:')
for pp in paths_buf:
slog(ERR, f' {((os.stat(p).st_mode) & 0o7777):o} {pp}')
raise Exception(msg)
if refuse_mode_mask is not None:
for p in paths_buf:
st = os.stat(p)
if st.st_mode & refuse_mode_mask:
for item in tree.child_list():
if item.content is None:
continue
if not re.search('password|secret', cast(str, item.content), flags=re.IGNORECASE):
continue
msg = "Config files define secret, but at least one has file permissions open for world"
slog(ERR, f'{msg}:')
for pp in paths_buf:
slog(ERR, f' {((os.stat(pp).st_mode) & 0o7777):o} {pp}')
raise Exception(msg)
tree.dump(DEBUG, f)
ret.add("", tree)
return ret
def __init__(self, search_dirs: Optional[list[str]]=None, glob_paths: Optional[list[str]]=None,
defaults: Optional[Dict[str, str]]=None, tree: Optional[StringTree]=None, parent=None,
root_section=None) -> None:
root_section=None, refuse_mode_mask=0o0027) -> None:
self.__parent = parent
@ -74,7 +75,8 @@ class Config(): # export
self.__conf = tree
else:
assert(tree is None)
self.__conf = self.__load(search_dirs=search_dirs, glob_paths=glob_paths)
self.__conf = self.__load(search_dirs=search_dirs, glob_paths=glob_paths,
refuse_mode_mask=refuse_mode_mask)
if root_section is not None:
tmp = self.__conf.get(root_section)