mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
89 lines
3.9 KiB
Python
89 lines
3.9 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2024 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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import dataclasses
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# =====
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class IpmiPasswdError(Exception):
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def __init__(self, path: str, lineno: int, msg: str) -> None:
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super().__init__(f"Syntax error at {path}:{lineno}: {msg}")
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@dataclasses.dataclass(frozen=True)
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class IpmiUserCredentials:
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ipmi_user: str
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ipmi_passwd: str
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kvmd_user: str
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kvmd_passwd: str
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class IpmiAuthManager:
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def __init__(self, path: str) -> None:
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self.__path = path
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with open(path) as file:
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self.__credentials = self.__parse_passwd_file(file.read().split("\n"))
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def __contains__(self, ipmi_user: str) -> bool:
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return (ipmi_user in self.__credentials)
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def __getitem__(self, ipmi_user: str) -> str:
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return self.__credentials[ipmi_user].ipmi_passwd
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def get_credentials(self, ipmi_user: str) -> IpmiUserCredentials:
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return self.__credentials[ipmi_user]
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def __parse_passwd_file(self, lines: list[str]) -> dict[str, IpmiUserCredentials]:
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credentials: dict[str, IpmiUserCredentials] = {}
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for (lineno, line) in enumerate(lines):
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if len(line.strip()) == 0 or line.lstrip().startswith("#"):
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continue
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if " -> " not in line:
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raise IpmiPasswdError(self.__path, lineno, "Missing ' -> ' operator")
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(left, right) = map(str.lstrip, line.split(" -> ", 1))
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for (name, pair) in [("left", left), ("right", right)]:
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if ":" not in pair:
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raise IpmiPasswdError(self.__path, lineno, f"Missing ':' operator in {name} credentials")
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(ipmi_user, ipmi_passwd) = left.split(":")
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ipmi_user = ipmi_user.strip()
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if len(ipmi_user) == 0:
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raise IpmiPasswdError(self.__path, lineno, "Empty IPMI user (left)")
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(kvmd_user, kvmd_passwd) = right.split(":")
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kvmd_user = kvmd_user.strip()
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if len(kvmd_user) == 0:
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raise IpmiPasswdError(self.__path, lineno, "Empty KVMD user (left)")
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if ipmi_user in credentials:
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raise IpmiPasswdError(self.__path, lineno, f"Found duplicating user {ipmi_user!r} (left)")
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credentials[ipmi_user] = IpmiUserCredentials(
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ipmi_user=ipmi_user,
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ipmi_passwd=ipmi_passwd,
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kvmd_user=kvmd_user,
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kvmd_passwd=kvmd_passwd,
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)
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return credentials
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