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Han Yiming

PROFILE

Han Yiming

Developed and maintained key features for the openwrt/luci repository, focusing on Tailscale integration and authentication enhancements for OpenWrt deployments. Delivered a LuCI-based management UI for Tailscale, enabling centralized configuration and improved network visibility. Introduced a plugin framework supporting multi-factor authentication, including a dedicated 2FA plugin with TOTP/HOTP, QR provisioning, and rate limiting. Addressed reliability by fixing exit node conflicts and aligning backend logic with OpenWrt defaults, incorporating rollback mechanisms and script permission corrections. Leveraged JavaScript, Shell scripting, and UI/UX design to enhance security, usability, and maintainability, demonstrating full stack development skills across both frontend and backend components.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

8Total
Bugs
2
Commits
8
Features
6
Lines of code
6,973
Activity Months5

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026: OpenWrt LuCI — Delivered Tailscale Community App security and service control enhancements, including improved exit node firewall configuration and a temporary disable function. Updated dependencies to support changes (ip-full rename) and fixed upstream handling; localized strings synced for release readiness. Commit reference included for traceability.

March 2026

2 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for openwrt/luci focusing on feature delivery, bug fixes, and overall impact. Key initiatives centered on Tailscale integration, code quality, and reliability improvements that enhance business value for network admins and OpenWrt deployments. Key deliverables: - Major upgrade of luci-app-tailscale-community with backend core alignment to OpenWrt default behavior, including automatic rollback to mitigate deployment risk and a refined frontend device list. This positioned the Tailscale integration for easier maintenance and better user experience in OpenWrt environments. - Peer Relay support added to allow devices to relay traffic for others, improving network reachability and efficiency in multi-device deployments. - Executable permissions fix for startup scripts: corrected mode from 644 to 755 for ucode and init.d scripts to ensure proper startup and operation of the Tailscale app within OpenWrt. Impact and accomplishments: - Increased reliability and maintainability through backend refactor and automated rollback mechanisms, reducing deployment risk in production OpenWrt environments. - Improved device management and network topology capabilities via Peer Relay server support and frontend refinements. - Ensured startup reliability and correct execution with proper script permissions, reducing startup errors and support overhead. Technologies and skills demonstrated: - Backend/core code refactor to align with OpenWrt defaults, rollback design patterns, and stability improvements. - Frontend device list refinements for clearer device visibility and management. - Permissions management and script lifecycle handling in OpenWrt integrations. - End-to-end feature delivery from code changes to deployment readiness, with commit-driven traceability.

February 2026

1 Commits

Feb 1, 2026

Concise monthly summary for 2026-02 focusing on key accomplishments in OpenWrt LUCI. The primary deliverable was a bug fix improving the reliability of the Tailscale integration by resolving exit node conflicts when using both an advertised exit node and another exit node. This work enhanced stability for remote access and multi-node deployments with LUCI, reducing user-facing errors and downtime. No new features were released this month; the primary value came from stabilizing existing functionality and ensuring enterprise configurations are consistently applied.

January 2026

3 Commits • 3 Features

Jan 1, 2026

January 2026: In openwrt/luci, delivered security-focused and usability enhancements by introducing a generic authentication plugin framework in LuCI, enabling MFA/2FA without core modifications and centralized management through System > Plugins. Launched a dedicated LuCI 2FA plugin with TOTP/HOTP, QR provisioning, IP validation, rate limiting, and enhanced logging. Improved UI clarity for Site-to-Site setup and firewall in the Tailscale app by refining strings and surfacing the Auto Configure Firewall action to reduce setup friction. These changes lay the groundwork for scalable MFA across deployments, strengthen security posture, and improve administrator experience with unified plugin-based configuration and management.

November 2025

1 Commits • 1 Features

Nov 1, 2025

Month: 2025-11. Delivered a new OpenWrt LuCI Tailscale Management UI (luci-app-tailscale-community), providing a web interface to view service status, list network peers, and configure Tailscale settings (exit nodes, advertised routes, daemon options). Implementation was committed (471ac6b59cff98a68593b5b2d336beb495e2e388) in openwrt/luci with proper attribution (Co-authored-by: Sandro; Signed-off-by: Tokisaki Galaxy). Business value: centralized, GUI-based Tailscale control reduces manual configuration, accelerates troubleshooting, and improves network security posture for OpenWrt deployments. Technologies/skills demonstrated: LuCI/Lua-based UI development, OpenWrt packaging, code collaboration and signing, and end-to-end feature delivery.

Activity

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Quality Metrics

Correctness90.0%
Maintainability82.6%
Architecture87.4%
Performance82.6%
AI Usage37.4%

Skills & Technologies

Programming Languages

JavaScriptMakefileShell

Technical Skills

JavaScriptLuCIOpenWrtShell scriptingUI/UX designauthentication mechanismsauthentication systemsback end developmentbackend developmentfront end developmentfull stack developmentnetworkingplugin developmentscriptingsystem administration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

openwrt/luci

Nov 2025 May 2026
5 Months active

Languages Used

JavaScriptMakefileShell

Technical Skills

JavaScriptLuCIOpenWrtfront end developmentShell scriptingUI/UX design