flutter_sangfor 0.0.2

Flutter integration for Sangfor aTrust and Easy Connect VPNs with an independently implemented protocol core

0.0.2

• Add library-level dartdoc for the public API surface.
• Update the package description to cover aTrust and Easy Connect.

0.0.1

• Wire getState and disconnect across all declared platforms.
• Validate connection arguments in the Dart method-channel adapter.
• Return an explicit unsupported error until the protocol transport is ready.
• Add the platform-neutral SangforAuthRequest transport boundary.
• Add flutter_sangfor_atrust and flutter_sangfor_easy_connect package boundaries.
• Add aTrust manifest and authentication-method discovery over HTTPS.
• Add aTrust primary password exchange with server-provided RSA parameters.
• Add aTrust MFA-step normalization and L3VPN resource parsing.
• Add aTrust SMS verification and client-resource retrieval requests.
• Add aTrust Cookie/SID persistence, environment reporting, and online info.
• Add an end-to-end aTrust password and SMS login coordinator.
• Add explicit TOTP, RADIUS, and generic code challenge callbacks.
• Add access checks, enhanced-auth continuation, and current-device binding.
• Add credential-free session snapshots and WAN/LAN node-group parsing.
• Add a bounded incremental tunnel-frame boundary and node ordering.
• Add the aTrust L3 tunnel with keep-alives and dual packet-stream demux.
• Add the aTrust TCP tunnel channels with dialTcp for user-space sockets.
• Add the EasyConnect login, conf parsing, TLS 1.1/1.2, token, RX/TX streams, and heartbeat keep-alive.
• Add the userspace data plane: SangforTcpStream, SangforPacketTunnel, SangforPacketDevice, and the SangforTunnelRouter bidirectional pump with egress/ingress filters and cancellation-token support.
• Add SangforSocks5Server (RFC 1928 no-auth CONNECT) with pipelined-request buffering, serialized sends, and cancellation-token support.
• Add EasyConnect TCP-over-L3 synthesis: IPv4/TCP/UDP packet building, DNS query/parse over the tunnel, a retransmitting client TCP state machine with zero-window probing, and a dialTcp connector API.
• Add platform TUN adapters: WintunDevice (Windows), TunDevice (Linux), AndroidVpnDevice (VpnService), UtunDevice (macOS), and IosVpnDevice (NetworkExtension packet tunnel with loopback IPC).