The RFB ServerInit message carries the desktop name as a length-prefixed field. vncviewer caps the copied name to fit conn->name, but it must still consume the remaining bytes from the socket when the advertised name is longer than the local buffer.
Drain the unused suffix so the next RFB message is read from the correct boundary. Reuse the same discard helper for other skipped RFB payloads.
Signed-off-by: Old-Ding <ai.neo.ae86@gmail.com>
Add a minimal VNC viewer application that connects to a VNC server
and renders the remote desktop on a local LCD.
Features:
- RFB 3.8 protocol with VNC Authentication (DES, pure software)
- Raw encoding with pixel format auto-detected from LCD driver
- Row-by-row rendering via LCDDEVIO_PUTAREA (minimal RAM usage)
- LCD resolution and format queried at runtime via LCDDEVIO_GETVIDEOINFO
- Auto-reconnect on connection loss with 2-second retry
Usage:
vncviewer <host> [port]
vncviewer -p <password> <host> [port]
vncviewer -p <password> -d <lcd_devno> <host> [port]
Assisted-by: GitHubCopilot:claude-4.6-opus
Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
