for i in range(0,10): if '弯道直行' in text : params['steering_control'] = 0 elif '弯道向左' in text: params['steering_control'] = 1 elif '弯道向右' in text: params['steering_control'] = -1
if '保持这个速度' in text : params['throttle'] = 1 elif '抓地力太小了' in text : params['throttle'] = 0 elif '抓地力太大了' in text : params['throttle'] = 2
response = session.post(url=url, data=params) text = response.text response.close()
from secrets import users, salt import hashlib import base64 import json import http.server
with open("flag.txt","r") as f: FLAG = f.read().strip()
def gethash(*items): c = 0 for item in items: if item is None: continue c ^= int.from_bytes(hashlib.md5(f"{salt}[{item}]{salt}".encode()).digest(), "big") # it looks so complex! but is it safe enough? return hex(c)[2:]
assert "admin" in users assert users["admin"] == "admin"
hashed_users = dict((k,gethash(k,v)) for k,v in users.items())
eval(int.to_bytes(0x636d616f686e69656e61697563206e6965756e63696165756e6320696175636e206975616e6363616361766573206164^8651845801355794822748761274382990563137388564728777614331389574821794036657729487047095090696384065814967726980153,160,"big",signed=True).decode().translate({ord(c):None for c in "\x00"})) # what is it? def decrypt(data:str): for x in range(5): data = base64.b64encode(data).decode() # ummm...? It looks like it's just base64 encoding it 5 times? truely? return data
__page__ = base64.b64encode("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") class MyHandler(http.server.BaseHTTPRequestHandler): def do_GET(self): try: if self.path == "/": self.send_response(200) self.end_headers() self.wfile.write(__page__) else: self.send_response(404) self.end_headers() self.wfile.write(b"404 Not Found") except Exception as e: print(e) self.send_response(500) self.end_headers() self.wfile.write(b"500 Internal Server Error")
def do_POST(self): try: if self.path == "/login": body = self.rfile.read(int(self.headers.get("Content-Length"))) payload = json.loads(body) params = json.loads(decrypt(payload["params"])) print(params) if params.get("username") == "admin": self.send_response(403) self.end_headers() self.wfile.write(b"YOU CANNOT LOGIN AS ADMIN!") print("admin") return if params.get("username") == params.get("password"): self.send_response(403) self.end_headers() self.wfile.write(b"YOU CANNOT LOGIN WITH SAME USERNAME AND PASSWORD!") print("same") return hashed = gethash(params.get("username"),params.get("password")) for k,v in hashed_users.items(): if hashed == v: data = { "user":k, "hash":hashed, "flag": FLAG if k == "admin" else "flag{YOU_HAVE_TO_LOGIN_IN_AS_ADMIN_TO_GET_THE_FLAG}" } self.send_response(200) self.end_headers() self.wfile.write(json.dumps(data).encode()) print("success") return self.send_response(403) self.end_headers() self.wfile.write(b"Invalid username or password") else: self.send_response(404) self.end_headers() self.wfile.write(b"404 Not Found") except Exception as e: print(e) self.send_response(500) self.end_headers() self.wfile.write(b"500 Internal Server Error")
if __name__ == "__main__": server = http.server.HTTPServer(("", 9999), MyHandler) server.serve_forever()
