Mykhailo Ivanchenko
18ef303935
No interactive console exists since lazymc/systemd run the server in the background, and mcrcon isn't packaged for Debian 13. Plain Python3 RCON client instead, reads the password straight from server.properties. setup-server.sh now copies it into mcserver/.
51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""Minimal Minecraft RCON client. Usage: rcon.py "<command>" ["<command2>" ...]"""
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import socket
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import struct
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import sys
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HOST = "127.0.0.1"
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PORT = 25575
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PASSWORD_FILE = "server.properties"
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def read_password():
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with open(PASSWORD_FILE) as f:
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for line in f:
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if line.startswith("rcon.password="):
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return line.strip().split("=", 1)[1]
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raise SystemExit("rcon.password not found in server.properties")
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def send_packet(sock, req_id, pkt_type, payload):
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data = struct.pack("<ii", req_id, pkt_type) + payload.encode() + b"\x00\x00"
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sock.sendall(struct.pack("<i", len(data)) + data)
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def read_packet(sock):
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length = struct.unpack("<i", sock.recv(4))[0]
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data = b""
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while len(data) < length:
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data += sock.recv(length - len(data))
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req_id, pkt_type = struct.unpack("<ii", data[:8])
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payload = data[8:-2].decode(errors="replace")
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return req_id, pkt_type, payload
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def main():
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password = read_password()
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sock = socket.create_connection((HOST, PORT), timeout=10)
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send_packet(sock, 1, 3, password) # SERVERDATA_AUTH
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req_id, _, _ = read_packet(sock)
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if req_id == -1:
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raise SystemExit("RCON auth failed")
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for i, cmd in enumerate(sys.argv[1:], start=2):
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send_packet(sock, i, 2, cmd) # SERVERDATA_EXECCOMMAND
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_, _, response = read_packet(sock)
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print(f"> {cmd}\n{response}")
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if __name__ == "__main__":
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main()
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