feat(tsconnect): add whoIs, queryDNS, ping, suggestExitNode WASM bindings, peerAPI/localAPI access #5

2026-05-11T22:47:03+02:00

codinget commented

2026-05-11 22:47:03 +02:00

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codinget added 4 commits 2026-05-11 22:47:03 +02:00

feat(tsconnect): add whoIs, queryDNS, ping, suggestExitNode WASM bindings 7f5983eaab

Expose four LocalBackend capabilities to JavaScript:
- whoIs(addrPort, proto?): resolves a connecting ip:port to a tailnet node
  and user profile; returns null for unknown peers
- queryDNS(name, type?): queries the tailnet DNS resolver (MagicDNS +
  upstream); parses A/AAAA/CNAME/TXT answers into strings
- ping(ip, type?, size?): pings a tailnet peer (TSMP, disco, ICMP, peerapi)
  with a 30 s context timeout; returns latency and path details
- suggestExitNode(): asks the coordination server for the best exit node

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

feat(tsconnect): add peerAPIURL to netmap and localAPI in-process bridge 8514045909

Include the PeerAPI base URL (http://ip:port) in every node entry of the
notifyNetMap payload — for self via LocalBackend.GetPeerAPIPort, for peers
by reading the PeerAPI4/PeerAPI6 Services entries in their Hostinfo. The URL
mirrors the address-family preference used by peerAPIBase (prefer IPv4).

Add a localAPI(method, path, body?) WASM binding that dispatches in-process
HTTP requests directly to a LocalAPI handler with full read/write/cert
permissions, returning {status, body}. Enables TypeScript callers to access
any LocalAPI endpoint (ACL policy, Taildrive shares, etc.) without network
setup.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

fix(wasm): validate ping type early; fallback DNS resolver for exit node 7fd2507611

Add a switch guard before the 30-second context in ping() so that invalid
ping type strings (e.g. "disco" vs "Disco") reject immediately with a clear
error rather than silently timing out because userspaceEngine.Ping has no
default case.

For queryDNS(), detect SERVFAIL responses returned with an empty resolver
list (the typical state when an exit node is active but the DNS manager
forwarder has no configured upstreams) and fall back to querying 8.8.8.8
via the dialer — which honours exit-node routing — for A/AAAA record types.
Fall further back to the browser's native resolver if UserDial fails.

Also accept bare IP addresses in whoIs() (in addition to ip:port) so
callers don't need to fabricate a port when they only have a peer IP.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

fix(wasm): correct ICMP case in ping type error message 52cae45f81

The constant tailcfg.PingICMP is "ICMP" not "icmp"; the error message
was listing the wrong string, causing user confusion about valid values.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

codinget marked the pull request as ready for review 2026-05-11 22:50:58 +02:00

codinget merged commit 52cae45f81 into webnet

2026-05-11 22:51:27 +02:00

codinget deleted branch feat/query-utils

2026-05-11 22:51:27 +02:00

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Reference: webnet/tailscale#5