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111 lines
3.8 KiB
Python

import sys
import os
import subprocess
import pwd
class System:
dry = False
create_command = []
home = ""
def __init__(self, dryrun: bool = False, home: str = "/home/"):
self.dry = dryrun
self.home = home
def register(self, username: str, pubkey: str, cc: tuple = tuple(["useradd", "-m"])):
create_command = cc
cc = create_command + tuple([username])
if self.dry:
self.printTuple(cc)
return 0
elif not self.dry:
rt = subprocess.call(cc)
if rt != 0:
print(f"Could not create user {username}; '{cc}' returned '{rt}'", file=sys.stderr)
# @TODO Logging/Exception
return False
def unregister(self, username: str):
pass
# @TODO errno
def make_ssh_usable(self, username: str, pubkey: str, sshdir: str = ".ssh/"):
if self.dry:
print("Nah, @TODO, but actually kinda too lazy for this lul. Just a lot happening here")
return True
if not sshdir.endswith("/"):
return False # @TODO Exception in Log
ssh_dir = self.home + username + "/" + sshdir
try:
os.mkdir(ssh_dir)
except FileExistsError:
pass # thats actually a good one for us :D
except OSError as e:
print(f"Could not create {ssh_dir}: Exception: {e}", file=sys.stderr)
return False
try:
with open(ssh_dir + "authorized_keys", "w") as f:
print(pubkey, file=f)
f.close()
os.chmod(ssh_dir + "authorized_keys", 0o700) # directory is already 777?
os.chmod(ssh_dir, 0o700) # directory is already 777?
except OSError as e:
print(f"Could not write and/or chmod 0700 {ssh_dir} or {ssh_dir}/authorized_keys, Exception: {e}",
file=sys.stderr)
return False # @TODO Exception in Log
try:
pwdnam = pwd.getpwnam(username)
os.chown(ssh_dir, pwdnam[2], pwdnam[3]) # 2=>uid, 3=>gid
os.chown(ssh_dir + "authorized_keys", pwd.getpwnam(username)[2], pwd.getpwnam(username)[3])
except OSError as e:
print(f"Could not chown {ssh_dir} and/or authorized_keys to {username} and their group, Exception: {e}",
file=sys.stderr)
return False # @TODO Exception in Log
return True
def lock_user_pw(self, username: str, cc: tuple = tuple(["usermod", "--lock"])):
lock_command = cc
cc = lock_command + tuple([username])
if self.dry:
self.printTuple(cc)
return 0
elif not self.dry:
rt = subprocess.call(cc)
if rt != 0:
print(f"Could not lock user '{username}'; '{cc}' returned '{rt}'", file=sys.stderr)
return False
# @TODO Exception in Log
def add_to_usergroup(self, username: str, group: str = "tilde", cc: tuple = tuple(["usermod", "-a", "-G"])):
add_command = cc
cc = add_command + tuple([group, username])
if self.dry:
self.printTuple(cc)
return 0
elif not self.dry:
rt = subprocess.call(cc)
if rt != 0:
print(f"Could not add user '{username}' to group '{group}' with command '{cc}', returned '{rt}'",
file=sys.stderr) # @TODO Exception in Log
return False
def printTuple(self, tup: tuple):
pp = ""
for i in tup:
pp += i + " "
print(pp)
if __name__ == "__main__":
try:
S = System(dryrun=True)
S.register("dar", "test")
S.lock_user_pw("dar")
S.add_to_usergroup("dar")
#if not S.make_ssh_usable("dar", "SSHpub"):
# print("Huh, error :shrug:")
exit(0)
except KeyboardInterrupt:
pass