| Dir : /proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/utils/validate/ |
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| Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/utils/validate/user.py |
"""
Various user validation utilities
"""
import logging
import re
log = logging.getLogger(__name__)
VALID_USERNAME = re.compile(r"[a-z_][a-z0-9_-]*[$]?", re.IGNORECASE)
def valid_username(user):
"""
Validates a username based on the guidelines in `useradd(8)`
"""
if not isinstance(user, str):
return False
if len(user) > 32:
return False
return VALID_USERNAME.match(user) is not None