You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
import os
|
|
|
|
|
import os.path
|
|
|
|
|
|
|
|
|
|
from pip._internal.utils.compat import get_path_uid
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def check_path_owner(path):
|
|
|
|
|
# type: (str) -> bool
|
|
|
|
|
# If we don't have a way to check the effective uid of this process, then
|
|
|
|
|
# we'll just assume that we own the directory.
|
|
|
|
|
if not hasattr(os, "geteuid"):
|
|
|
|
|
return True
|
|
|
|
|
|
|
|
|
|
previous = None
|
|
|
|
|
while path != previous:
|
|
|
|
|
if os.path.lexists(path):
|
|
|
|
|
# Check if path is writable by current user.
|
|
|
|
|
if os.geteuid() == 0:
|
|
|
|
|
# Special handling for root user in order to handle properly
|
|
|
|
|
# cases where users use sudo without -H flag.
|
|
|
|
|
try:
|
|
|
|
|
path_uid = get_path_uid(path)
|
|
|
|
|
except OSError:
|
|
|
|
|
return False
|
|
|
|
|
return path_uid == 0
|
|
|
|
|
else:
|
|
|
|
|
return os.access(path, os.W_OK)
|
|
|
|
|
else:
|
|
|
|
|
previous, path = path, os.path.dirname(path)
|
|
|
|
|
return False # assume we don't own the path
|
