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