# Copyright (C) 2019-2020 Gonéri Le Bouder
#
# This file is part of cloud-init. See LICENSE file for license information.
import crypt
import os
import platform
import cloudinit.distros.bsd
from cloudinit import log as logging
from cloudinit import subp
from cloudinit import util
LOG = logging.getLogger(__name__)
class NetBSD(cloudinit.distros.bsd.BSD):
"""
Distro subclass for NetBSD.
(N.B. OpenBSD inherits from this class.)
"""
ci_sudoers_fn = '/usr/pkg/etc/sudoers.d/90-cloud-init-users'
group_add_cmd_prefix = ["groupadd"]
def __init__(self, name, cfg, paths):
super().__init__(name, cfg, paths)
if os.path.exists("/usr/pkg/bin/pkgin"):
self.pkg_cmd_install_prefix = ['pkgin', '-y', 'install']
self.pkg_cmd_remove_prefix = ['pkgin', '-y', 'remove']
self.pkg_cmd_update_prefix = ['pkgin', '-y', 'update']
self.pkg_cmd_upgrade_prefix = ['pkgin', '-y', 'full-upgrade']
else:
self.pkg_cmd_install_prefix = ['pkg_add', '-U']
self.pkg_cmd_remove_prefix = ['pkg_delete']
def _get_add_member_to_group_cmd(self, member_name, group_name):
return ['usermod', '-G', group_name, member_name]
def add_user(self, name, **kwargs):
if util.is_user(name):
LOG.info("User %s already exists, skipping.", name)
return False
adduser_cmd = ['useradd']
log_adduser_cmd = ['useradd']
adduser_opts = {
"homedir": '-d',
"gecos": '-c',
"primary_group": '-g',
"groups": '-G',
"shell": '-s',
}
adduser_flags = {
"no_user_group": '--no-user-group',
"system": '--system',
"no_log_init": '--no-log-init',
}
for key, val in kwargs.items():
if key in adduser_opts and val and isinstance(val, str):
adduser_cmd.extend([adduser_opts[key], val])
elif key in adduser_flags and val:
adduser_cmd.append(adduser_flags[key])
log_adduser_cmd.append(adduser_flags[key])
if 'no_create_home' not in kwargs or 'system' not in kwargs:
adduser_cmd += ['-m']
log_adduser_cmd += ['-m']
adduser_cmd += [name]
log_adduser_cmd += [name]
# Run the command
LOG.info("Adding user %s", name)
try:
subp.subp(adduser_cmd, logstring=log_adduser_cmd)
except Exception:
util.logexc(LOG, "Failed to create user %s", name)
raise
# Set the password if it is provided
# For security consideration, only hashed passwd is assumed
passwd_val = kwargs.get('passwd', None)
if passwd_val is not None:
self.set_passwd(name, passwd_val, hashed=True)
def set_passwd(self, user, passwd, hashed=False):
if hashed:
hashed_pw = passwd
elif not hasattr(crypt, 'METHOD_BLOWFISH'):
# crypt.METHOD_BLOWFISH comes with Python 3.7 which is available
# on NetBSD 7 and 8.
LOG.error((
'Cannot set non-encrypted password for user %s. '
'Python >= 3.7 is required.'), user)
return
else:
method = crypt.METHOD_BLOWFISH # pylint: disable=E1101
hashed_pw = crypt.crypt(
passwd,
crypt.mksalt(method)
)
try:
subp.subp(['usermod', '-p', hashed_pw, user])
except Exception:
util.logexc(LOG, "Failed to set password for %s", user)
raise
self.unlock_passwd(user)
def force_passwd_change(self, user):
try:
subp.subp(['usermod', '-F', user])
except Exception:
util.logexc(LOG, "Failed to set pw expiration for %s", user)
raise
def lock_passwd(self, name):
try:
subp.subp(['usermod', '-C', 'yes', name])
except Exception:
util.logexc(LOG, "Failed to lock user %s", name)
raise
def unlock_passwd(self, name):
try:
subp.subp(['usermod', '-C', 'no', name])
except Exception:
util.logexc(LOG, "Failed to unlock user %s", name)
raise
def apply_locale(self, locale, out_fn=None):
LOG.debug('Cannot set the locale.')
def apply_network_config_names(self, netconfig):
LOG.debug('NetBSD cannot rename network interface.')
def _get_pkg_cmd_environ(self):
"""Return env vars used in NetBSD package_command operations"""
os_release = platform.release()
os_arch = platform.machine()
e = os.environ.copy()
e['PKG_PATH'] = (
'http://cdn.netbsd.org/pub/pkgsrc/'
'packages/NetBSD/%s/%s/All'
) % (os_arch, os_release)
return e
def update_package_sources(self):
pass
class Distro(NetBSD):
pass
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