diff options
| -rwxr-xr-x | op-mode-definitions/generate-system-login-user.xml.in | 90 | ||||
| -rwxr-xr-x | src/op_mode/generate_system_login_user.py | 77 |
2 files changed, 167 insertions, 0 deletions
diff --git a/op-mode-definitions/generate-system-login-user.xml.in b/op-mode-definitions/generate-system-login-user.xml.in new file mode 100755 index 000000000..d0519b6bd --- /dev/null +++ b/op-mode-definitions/generate-system-login-user.xml.in @@ -0,0 +1,90 @@ +<?xml version="1.0"?>
+<interfaceDefinition>
+ <node name="generate">
+ <children>
+ <node name="system">
+ <properties>
+ <help>Generate system related parameters</help>
+ </properties>
+ <children>
+ <node name="login">
+ <properties>
+ <help>Generate system login related parameters</help>
+ </properties>
+ <children>
+ <tagNode name="username">
+ <properties>
+ <help>Username used for authentication</help>
+ <completionHelp>
+ <list><username></list>
+ </completionHelp>
+ </properties>
+ <children>
+ <node name="otp-key">
+ <properties>
+ <help>Generate OpenConnect OTP token</help>
+ </properties>
+ <children>
+ <node name="hotp-time">
+ <properties>
+ <help>HOTP time-based token</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5"</command>
+ <children>
+ <tagNode name="rate-limit">
+ <properties>
+ <help>Duration of single time interval</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5" --rate_limit "$9"</command>
+ <children>
+ <tagNode name="rate-time">
+ <properties>
+ <help>The number of digits in the one-time password</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5" --rate_limit "$9" --rate_time "${11}" </command>
+ <children>
+ <tagNode name="window-size">
+ <properties>
+ <help>The number of digits in the one-time password</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5" --rate_limit "$9" --rate_time "${11}" --window_size "${13}"</command>
+ </tagNode>
+ </children>
+ </tagNode>
+ </children>
+ </tagNode>
+ <tagNode name="window-size">
+ <properties>
+ <help>The number of digits in the one-time password</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5" --window_size "${9}"</command>
+ <children>
+ <tagNode name="rate-limit">
+ <properties>
+ <help>Duration of single time interval</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5" --rate_limit "${11}" --window_size "${9}"</command>
+ <children>
+ <tagNode name="rate-time">
+ <properties>
+ <help>Duration of single time interval</help>
+ </properties>
+ <command>sudo ${vyos_op_scripts_dir}/generate_system_login_user.py --username "$5" --rate_limit "${11}" --rate_time "${13}" --window_size "${9}"</command>
+ </tagNode>
+ </children>
+ </tagNode>
+ </children>
+ </tagNode>
+ </children>
+ </node>
+ </children>
+ </node>
+ </children>
+ </tagNode>
+ </children>
+ </node>
+ </children>
+ </node>
+ </children>
+ </node>
+</interfaceDefinition>
diff --git a/src/op_mode/generate_system_login_user.py b/src/op_mode/generate_system_login_user.py new file mode 100755 index 000000000..8f8827b1b --- /dev/null +++ b/src/op_mode/generate_system_login_user.py @@ -0,0 +1,77 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2022 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import argparse +import os + +from vyos.util import popen +from secrets import token_hex +from base64 import b32encode + +if os.geteuid() != 0: + exit("You need to have root privileges to run this script.\nPlease try again, this time using 'sudo'. Exiting.") + +if __name__ == '__main__': + parser = argparse.ArgumentParser() + parser.add_argument("-u", "--username", type=str, help='Username used for authentication', required=True) + parser.add_argument("-l", "--rate_limit", type=str, help='Limit number of logins (rate-limit) per rate-time (default: 3)', default="3", required=False) + parser.add_argument("-t", "--rate_time", type=str, help='Limit number of logins (rate-limit) per rate-time (default: 30)', default="30", required=False) + parser.add_argument("-w", "--window_size", type=str, help='Set window of concurrently valid codes (default: 3)', default="3", required=False) + parser.add_argument("-i", "--interval", type=str, help='Duration of single time interval', default="30", required=False) + parser.add_argument("-d", "--digits", type=str, help='The number of digits in the one-time password', default="6", required=False) + args = parser.parse_args() + + hostname = os.uname()[1] + username = args.username + rate_limit = args.rate_limit + rate_time = args.rate_time + window_size = args.window_size + digits = args.digits + period = args.interval + + # check variables: + if int(rate_limit) < 1 or int(rate_limit) > 10: + print("") + quit("Number of logins (rate-limit) must be between '1' and '10'") + + if int(rate_time) < 15 or int(rate_time) > 600: + print("") + quit("The rate-time must be between '15' and '600' seconds") + + if int(window_size) < 1 or int(window_size) > 21: + print("") + quit("Window of concurrently valid codes must be between '1' and '21' seconds") + + # generate OTP key, URL & QR: + key_hex = token_hex(20) + key_base32 = b32encode(bytes.fromhex(key_hex)).decode() + + otp_url=''.join(["otpauth://totp/",username,"@",hostname,"?secret=",key_base32,"&digits=",digits,"&period=",period]) + qrcode,err = popen('qrencode -t ansiutf8', input=otp_url) + + print("# You can share it with the user, he just needs to scan the QR in his OTP app") + print("# username: ", username) + print("# OTP KEY: ", key_base32) + print("# OTP URL: ", otp_url) + print(qrcode) + print('# To add this OTP key to configuration, run the following commands:') + print(f"set system login user {username} authentication otp key '{key_base32}'") + if rate_limit != "3": + print(f"set system login user {username} authentication otp rate-limit '{rate_limit}'") + if rate_time != "30": + print(f"set system login user {username} authentication otp rate-time '{rate_time}'") + if window_size != "3": + print(f"set system login user {username} authentication otp window-size '{window_size}'") |