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Implement update_acl_on_path()

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This allows to update or extend the existing ACL on path.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
This commit is contained in:
Georg Pfuetzenreuter 2024-09-23 21:21:40 +02:00
parent efc419757e
commit 7c56d619fe
Signed by: Georg
GPG Key ID: 1ED2F138E7E6FF57
1 changed files with 24 additions and 0 deletions
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24
pyacl/acl.py
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@ -243,6 +243,30 @@ def apply_acl_to_path(acl, path):
acl.applyto(path)
def update_acl_on_path(new_acl, path):
"""
Example usage: update_acl_on_path(posix1e.ACL, '/etc/foo.txt')
Return: None
"""
acl = read_acl_from_path(path)
for entry in new_acl:
tag_type = entry.tag_type
# keep existing entries which may only exist once
if tag_type not in [ACL_USER_OBJ, ACL_GROUP_OBJ, ACL_OTHER, ACL_MASK]:
# replace existing user/group entries with new ones if the uid/gid matches
if tag_type in [ACL_USER, ACL_GROUP]:
for existing_entry in acl:
if tag_type == existing_entry.tag_type:
if entry.qualifier == existing_entry.qualifier:
acl.delete_entry(existing_entry)
acl.append(entry)
return apply_acl_to_path(acl, path)
def read_acl_from_path(path):
"""
Example usage: read_acl_from_path('/etc/foo.txt')