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# Copyright (C) 2019-2020 Gonéri Le Bouder
#
# This file is part of cloud-init. See LICENSE file for license information.
import functools
import logging
import os
import platform
from typing import Any
import cloudinit.distros.bsd
from cloudinit import subp, util
try:
import crypt
salt = crypt.METHOD_BLOWFISH # pylint: disable=E1101
blowfish_hash: Any = functools.partial(
crypt.crypt,
salt=crypt.mksalt(salt),
)
except (ImportError, AttributeError):
try:
from passlib.hash import bcrypt
blowfish_hash = bcrypt.hash
except ImportError:
def blowfish_hash(_):
"""Raise when called so that importing this module doesn't throw
ImportError when this module is not used. In this case, crypt
and passlib are not needed.
"""
raise ImportError(
"crypt and passlib not found, missing dependency"
)
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
else:
hashed_pw = blowfish_hash(passwd)
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 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 _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