feat: WebRTC transport racing, DTLS identity binding, and pc-leak fixes

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- prefer-P2P racing (race_transports_prefer_webrtc) across punch and RelayResponse; ICE bridge with 400ms candidate resend
- controlled-side answerer and ICE routing; sign local DTLS fingerprint into SignedId, controller verifies the binding fail-closed
- fix pc leaks: close_webrtc() on insecure-decline paths (io_loop, port_forward); compute direct before disarming the offerer guard
- point hbb_common to the WebRTC data-plane commit 9f5a296

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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rustdesk

2026-07-22 11:18:35 +08:00

parent 0a135e0fae

commit 32ee0c19e3

8 changed files with 887 additions and 200 deletions

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libs/hbb_common

Submodule libs/hbb_common updated: d4e727306f...f98f3e8732