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118 lines
3.7 KiB
118 lines
3.7 KiB
# ADN DMR Peer Server - tests infrastructure udp hbp mesh registry
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#
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# Copyright (C) 2026 Rodrigo Pérez, CE5RPY <ce5rpy@qmd.cl>
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#
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###############################################################################
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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"""MeshCodecRegistry wired into HBPProtocol OPENBRIDGE ingress/egress."""
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from __future__ import annotations
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import logging
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from adn_server.domain import bytes_4
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from adn_server.infrastructure.hbp_constants import DMRD
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from adn_server.infrastructure.mesh.obp_v1 import build_dmrd_v1
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from adn_server.infrastructure.twisted_adapters.udp_hbp import HBPProtocol
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_PASS = b"test-passphrase\x00\x00\x00\x00\x00\x00"
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_SERVER = bytes_4(73010)
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_OBP_ADDR = ("127.0.0.1", 62030)
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class _RecordingTransport:
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def __init__(self) -> None:
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self.sent: list[tuple[bytes, tuple[str, int]]] = []
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def write(self, data: bytes, addr: tuple[str, int]) -> None:
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self.sent.append((data, addr))
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def _sample_dmr_voice() -> bytes:
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return b"".join(
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[
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DMRD,
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bytes([1]),
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bytes_4(1001)[1:4],
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bytes_4(52090)[1:4],
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bytes_4(1),
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bytes([0x10]),
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bytes_4(0xAABBCCDD),
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b"\x00" * 33,
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]
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)
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def _obp_protocol() -> HBPProtocol:
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config = {
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"GLOBAL": {"SERVER_ID": _SERVER, "PASSPHRASE": _PASS},
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"SYSTEMS": {
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"OBP-A": {
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"MODE": "OPENBRIDGE",
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"PASSPHRASE": _PASS,
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"VER": 5,
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"TARGET_IP": "127.0.0.1",
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"TARGET_PORT": 62030,
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"NETWORK_ID": _SERVER,
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},
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},
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}
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return HBPProtocol("OBP-A", config)
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def test_hbp_decode_mesh_ingress_obp_v1() -> None:
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proto = _obp_protocol()
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inner = _sample_dmr_voice()
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wire = build_dmrd_v1(inner, _SERVER, _PASS)
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ingress = proto._try_decode_mesh_ingress(wire)
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assert ingress is not None
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assert ingress.codec == "obp_v1"
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assert ingress.voice_frame[:4] == DMRD
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def test_hbp_encode_mesh_egress_dmre_when_ver_ge_4() -> None:
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proto = _obp_protocol()
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inner = _sample_dmr_voice()
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wire = proto._encode_mesh_egress(
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inner,
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hops=b"\x01",
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ber=b"\x00",
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rssi=b"\x00",
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source_server=_SERVER,
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source_rptr=bytes_4(100),
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)
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assert wire is not None
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assert len(wire) == 89
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assert wire[:4] == b"DMRE"
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def test_obp_hmac_reject_discards_and_warns(caplog) -> None:
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proto = _obp_protocol()
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proto._config["VER"] = 1
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transport = _RecordingTransport()
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proto.transport = transport # type: ignore[assignment]
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proto._config["TARGET_SOCK"] = _OBP_ADDR
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inner = _sample_dmr_voice()
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wire = bytearray(build_dmrd_v1(inner, _SERVER, _PASS))
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wire[-1] ^= 0xFF
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with caplog.at_level(logging.WARNING):
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proto.datagramReceived(bytes(wire), _OBP_ADDR)
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assert transport.sent == []
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assert any("HMAC failed" in record.message for record in caplog.records)
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