feat: add MasterDnsVPN protocol (native C++ engine)#2588

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coffeegrind123 wants to merge 41 commits into

amnezia-vpn:devfrom

coffeegrind123:feature/masterdnsvpn-native

Commits on May 10, 2026

masterdnsvpn: add enum entries + protocol constants
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masterdnsvpn: add protocol-config model + variant wiring
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masterdnsvpn: QML page + ConfigModel + controller wiring
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masterdnsvpn: unit tests for protocol-config model
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masterdnsvpn: switch model to pure structured JSON
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masterdnsvpn: engine sibling dir + spec doc + crypto + SOCKS5
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masterdnsvpn: wire framing + DNS framing layers
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masterdnsvpn: per-stream ARQ reliability layer
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masterdnsvpn: resolver pool + 8 balancing strategies
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Commits on May 11, 2026

masterdnsvpn: session/dispatcher — full stack assembly
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masterdnsvpn: Engine facade + service-side host + desktop protocol wiring
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masterdnsvpn: Android JNI bridge to native engine
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masterdnsvpn: per-layer engine unit tests
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masterdnsvpn: resolve §13 open questions against upstream Go

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masterdnsvpn: tiered ping pacing per §12

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masterdnsvpn: MTU probe state machine (upload + download binary search)

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masterdnsvpn: wire §9 MTU probe sweep into Session + ResolverPool

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masterdnsvpn: implement §8 compression codecs (ZSTD, LZ4, ZLIB-raw)

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masterdnsvpn: translate internal/arq/arq_test.go to QTest (parity suite)

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masterdnsvpn: translate vpnproto + dnsparser tests to QTest (parity suite)

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masterdnsvpn: inventory balancer + socksproto + mtu/ping tests (QSKIP)

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masterdnsvpn: translate basecodec + security + compression + enum tests

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masterdnsvpn: close ARQ port gaps (bounded NACK, NACK cooldown, adaptive RTO)

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masterdnsvpn: cap m_rcvBuf at 2x windowSize (receive-window enforcement)

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masterdnsvpn: port SessionAcceptClientPolicy (13-byte policy tail)

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masterdnsvpn: balancer Report* API + DNS constants export

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masterdnsvpn: extract ParseTargetPayload as standalone helper

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masterdnsvpn: SOCKS5 UDP datagram + target-payload codecs

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masterdnsvpn: add m_controlSndBuf + control-plane adaptive RTO

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masterdnsvpn: apply ServerPolicy + seed controlSndBuf send-side

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masterdnsvpn: control-plane RTO retransmit (closes reliability loop)

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masterdnsvpn: expose ARQ + ping tunables to operator JSON config

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masterdnsvpn: DNS query layer + SOCKS5 UDP ASSOCIATE listener

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masterdnsvpn: address Codacy review findings

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masterdnsvpn: drop redundant TCP probe in waitForSocksListener

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Commits on May 18, 2026

Merge remote-tracking branch 'upstream/dev' into feature/masterdnsvpn-native
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masterdnsvpn: validate length in readExact (CWE-120/CWE-20)

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fix(masterdnsvpn): include QMetaType for Q_DECLARE_METATYPE

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fix(masterdnsvpn): make code build on Qt 6.10 / GCC 13 / MSVC 2022

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test(masterdnsvpn): include resolverpool.h in engine test

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fix(service): link missing masterdnsvpn TUs + zlib/zstd/lz4

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