Add admin tools

This commit is contained in:
Kirigaya Kazuto 2022-03-16 22:19:54 +00:00
parent a651871095
commit 64224767a5
2 changed files with 308 additions and 0 deletions

1
.gitignore vendored
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@ -5,6 +5,7 @@ local/
__pycache__/
*.json
*.dat
*.conf
start.sh
stop.sh

307
admin.py Normal file
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import os
import time
import sys
import gzip
import json
import subprocess
import traceback
import hashlib
from prettytable import PrettyTable
from libwgopparser import Parser
def get_sha256(data_bytes):
return hashlib.sha256(data_bytes).hexdigest()
def direct_parse(raw_output):
wg_prikey = raw_output[0][0]
wg_pubkey = raw_output[0][1]
wg_listen_port = int(raw_output[0][2])
wg_fwmark = 0 if raw_output[0][3] == "off" else int(raw_output[0][3], 16)
wg_peers = {}
for line in raw_output[1:]:
wg_peers[line[0]] = {
"preshared_key": "" if line[1] == "(none)" else line[1],
"endpoint": "" if line[2] == "(none)" else line[2],
"allowed": "" if line[3] == "(none)" else line[3],
"last_handshake": int(line[4]),
"rx_bytes": int(line[5]),
"tx_bytes": int(line[6]),
"keepalive": 0 if line[7] == "off" else int(line[7]),
}
return {
"private_key": wg_prikey,
"public_key": wg_pubkey,
"listen_port": wg_listen_port,
"fwmark": wg_fwmark,
"peers": wg_peers,
}
def direct_dump(interface_name):
raw_output = subprocess.check_output(["wg", "show", interface_name, "dump"]).decode().strip().split('\n')
if not raw_output:
return
raw_output = [line.split('\t') for line in raw_output]
return direct_parse(raw_output)
def direct_dump_all():
raw_output = subprocess.check_output(["wg", "show", "all", "dump"]).decode().strip().split('\n')
if not raw_output:
return
raw_output = [line.split('\t') for line in raw_output]
raw_lines = {}
for line in raw_output:
interface_name = line[0]
if interface_name not in raw_lines:
raw_lines[interface_name] = [line[1:]]
else:
raw_lines[interface_name].append(line[1:])
return {interface_name: direct_parse(raw_lines[interface_name]) for interface_name in raw_lines}
class Config:
def __init__(self, filepath=None):
self.path_config = filepath or ".local.storage.dat"
self.config = {}
self.last_load_hash = ''
self.ensure_load()
def _load_config(self):
with open(self.path_config, 'rb') as f:
raw_config = f.read()
loaded_config = json.loads(gzip.decompress(raw_config))
return loaded_config, get_sha256(raw_config)
def load(self):
print('Loading config from {}...'.format(self.path_config))
self.config, self.last_load_hash = self._load_config()
def save(self):
print('Saving config to {}...'.format(self.path_config))
saved_config = json.dumps(self.config, ensure_ascii=False)
try:
if self.last_load_hash:
_, disk_hash = self._load_config()
if disk_hash != self.last_load_hash:
print('[WARN] file might have been changed/modified out of wg-op-admin.')
with open(self.path_config, 'wb') as f:
raw_config = gzip.compress(saved_config.encode())
f.write(raw_config)
self.last_load_hash = get_sha256(raw_config)
except Exception:
print('Unable to save config, content is printed below to avoid data loss.')
print(saved_config)
raise
print('Config saved.')
def ensure_load(self):
try:
self.load()
except Exception:
print(traceback.format_exc())
print('Unable to load config, try create a new one.')
self.save()
def _compile(self, interface_name):
interface_config = self.config[interface_name]
output = []
output.append("[Interface]")
output.append("Address={}".format(interface_config["address"]))
output.append("PrivateKey={}".format(interface_config["private_key"]))
if interface_config["listen_port"]:
output.append("ListenPort={}".format(interface_config["listen_port"]))
if interface_config["is_enable_dns_reloader"]:
output.append("#enable-dns-reload")
for peer_key in interface_config["peers"]:
peer_info = interface_config["peers"][peer_key]
output.append("[Peer]")
output.append("PublicKey={}".format(peer_key))
output.append("AllowedIPs={}".format(peer_info["allowed"]))
if peer_info["keepalive"]:
output.append("PersistentKeepalive={}".format(peer_info["keepalive"]))
if peer_info["endpoint_type"] == "tunnel":
output.append("#use-tunnel {}".format(peer_info["endpoint"]))
elif peer_info["endpoint_type"] == "custom":
output.append("Endpoint={}".format(peer_info["endpoint"]))
return '\n'.join(output)
def _build(self, interface_name):
raw_content = self._compile(interface_name)
wgop_basepath = os.path.dirname(os.path.realpath(sys.argv[0]))
parser = Parser(wgop_basepath)
parser.parse(raw_content)
parser.compile_interface()
parser.compile_peers()
return parser.get_result()
def ui_create_interface(self, interface_name):
if interface_name in self.config:
print('unable to create interface, name `{}` alreay used.'.format(interface_name))
return
print('Generating key pairs...')
wg_private_key = subprocess.check_output(["wg", "genkey"]).decode().strip()
wg_public_key = subprocess.check_output(["wg", "pubkey"], input=wg_private_key.encode()).decode().strip()
user_input = input('Enter listen port: (random) ')
if not user_input:
wg_port = 0
else:
wg_port = int(user_input)
while True:
user_input = input('Enter LAN IP: ')
if not user_input:
continue
wg_lan_ip = user_input
break
self.config[interface_name] = {
"private_key": wg_private_key,
"public_key": wg_public_key,
"listen_port": wg_port,
"address": wg_lan_ip,
"interface_name": interface_name,
"peers": {},
"connectors": {},
"servers": {},
"ts_create": int(time.time()),
}
self.save()
self.ui_interface(interface_name)
def ui_interface(self, interface_name):
while True:
print('''----- Editing interface {} -----
[1] Add peer
[2] List peers
[3] Add connector
[4] List connectors
[q] Quit
'''.format(interface_name))
user_input = input('> '.format(interface_name))
if not user_input:
continue
user_input = user_input.lower().strip()
if user_input == 'q':
return
if user_input == '1':
self.ui_add_peer(interface_name)
def ui_add_peer(self, interface_name):
print('>>> Creating new peer for interface {}'.format(interface_name))
while True:
user_input = input("Enter peer public key: ")
if user_input:
break
wg_peer_key = user_input.strip()
if wg_peer_key in self.config[interface_name]["peers"]:
print('Peer already exists.')
return
while True:
user_input = input("Enter peer allowed ips: ")
if user_input:
break
wg_peer_allowed = user_input.strip()
user_input = input("Enter persistent keepalive: (15) ")
if user_input:
wg_peer_keepalive = int(user_input)
else:
wg_peer_keepalive = 0
connectors_info = self.config[interface_name]["connectors"]
if connectors_info:
print("=== Available connectors ===")
for conn_name in connectors_info:
print("[{}] {} {}".format(conn_name, connectors_info[conn_name]["type"], connectors_info[conn_name]["remote"]))
user_input = input('Enter endpoint: (empty) ')
if not user_input:
wg_peer_endpoint = ''
wg_peer_endpoint_type = ''
elif user_input.strip() in connectors_info:
wg_peer_endpoint = user_input.strip()
wg_peer_endpoint_type = 'tunnel'
else:
wg_peer_endpoint = user_input.strip()
wg_peer_endpoint_type = 'custom'
if wg_peer_endpoint_type == 'custom' and not self.config[interface_name].get('is_enable_dns_reload', False):
user_input = input('Enable DNS reloader?: (y/N) ')
if user_input and user_input.lower().strip() == 'y':
self.config[interface_name]['is_enable_dns_reload'] = True
self.config[interface_name]["peers"][wg_peer_key] = {
"allowed": wg_peer_allowed,
"keepalive": wg_peer_keepalive,
"endpoint": wg_peer_endpoint,
"endpoint_type": wg_peer_endpoint_type,
}
self.save()
def _ui_show_single(self, interface_name, info):
print('\ninterface: {}\n public key: {}\n listening port: {}'.format(interface_name, info['public_key'], info['listen_port']))
if info['fwmark']:
print(' fwmark: {} ({})'.format(hex(info['fwmark']), info['fwmark']))
pt = PrettyTable(["Name", "AllowedIPs", "Endpoint", "Last Handshake", "Received", "Sent", "Keepalive"])
for peer_key, peer_info in info['peers'].items():
pt.add_row([peer_key, peer_info['allowed'], peer_info['endpoint'], int(time.time()) - peer_info['last_handshake'] if peer_info['last_handshake'] else "", peer_info['rx_bytes'], peer_info['tx_bytes'], peer_info['keepalive']])
print(pt.get_string())
def ui_show_status(self, interface_name):
if interface_name:
info = direct_dump(interface_name)
self._ui_show_single(interface_name, info)
else:
info = direct_dump_all()
for name in info:
self._ui_show_single(name, info[name])
if __name__ == "__main__":
c = Config()
if len(sys.argv) < 2:
print('Commands: new, list, edit, del, up/start, down/stop, enable, disable, status')
exit(1)
if sys.argv[1] == "new":
if len(sys.argv) < 3:
print('Syntax: new <interface>')
exit(1)
wg_name = sys.argv[2]
c.ui_create_interface(wg_name)
elif sys.argv[1] == "status":
if len(sys.argv) < 3:
c.ui_show_status(None)
else:
wg_name = sys.argv[2]
c.ui_show_status(wg_name)