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Author SHA1 Message Date
Kristoffer Dalby a02a4e6c2e state: honour SSH check approvals only while the source keeps its owner 2026-10-28 07:15:54 +00:00
Kristoffer Dalby ed0dd703f9 .github: regenerate integration test workflow 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 1c17be4dd8 state: give another user's key on a tagged machine a new device 
Only a key that speaks for a tagged node re-authenticates it: a tagged
key, or one of the user it was tagged from, which takes it back with a
new node key. Another user's key or login adds that user's own device.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby c48767eed6 state: let a pre-auth key that is no longer valid only wake its node 
A login that keeps its node key leaves a live node's expiry alone, even
with a valid key, and a wake-up is not refused for the tags it requests.
 2026-10-28 00:52:20 +00:00
Kristoffer Dalby 6c42055047 state: need a valid pre-auth key to re-register an expired tagged node 2026-10-28 00:52:20 +00:00
Kristoffer Dalby fd8b0e0a5c state: serialise registrations presenting an unused single-use key 2026-10-28 00:52:20 +00:00
Kristoffer Dalby 54e2474146 state: auto-approve routes in the NodeStore writer, not on reload 
Registration approval runs on the node the writer replaces. A policy
reload approves nothing, and a map request only when its announced
routes change, so neither re-grants a route an admin revoked.
 2026-10-28 00:52:20 +00:00
Kristoffer Dalby 2205b30d9c state: undo a failed re-registration without reverting newer writes 2026-10-28 00:52:20 +00:00
Kristoffer Dalby 88b340afe7 state: write node rows from the NodeStore under persistMu 2026-10-28 00:51:40 +00:00
Kristoffer Dalby 96520f367a state: apply map requests only under the node key that authorised them 2026-10-28 00:51:40 +00:00
Kristoffer Dalby 850c5d3fbb policy: offer exit routes only to viewers whose rules reach the internet 
Every destination overlaps /0, so any rule offered a peer's exit routes.
They now need a rule to the internet, the test exit-node visibility
uses; via steering defers them to a regular grant only on that test.
 2026-10-28 00:51:40 +00:00
Kristoffer Dalby 690fe40616 mapper: send a router all of its own routes 
Its AllowedIPs held only the primaries the policy let it reach. It now
holds every approved route, and PrimaryRoutes the ones it serves.
 2026-10-28 00:51:40 +00:00
Kristoffer Dalby 780c9406ae policy: reduce merged destination prefixes to the node's own addresses 
Adjacent node addresses merge into one prefix, and each node's filter
kept all of it. A prefix made only of node addresses now shrinks to the
node's own; a prefix the policy wrote, or one the node routes, stays.
 2026-10-28 00:51:40 +00:00
Kristoffer Dalby 2cb84b2905 api, policy/v2: refuse route prefixes with host bits 
Routes are matched as written, so such a prefix never equals the one a
client announces. The approval APIs answer 400 and autoApprovers refuses
it at load and write, with Tailscale's text.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 9d5d397c1d state: never serve a single address inside the node ranges 
Such a route names a node, not a subnet: it stays approved and listed
but no viewer gets it. Via inclusions skip the election, so the rule
sits on everything RoutesForPeer returns.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 144629e11e policy, state: log only the routes auto-approval adds 2026-10-28 00:51:39 +00:00
Kristoffer Dalby ee1a3085c0 poll: hold the map session's node as a view 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 1dcd8ff4cd policy/matcher, types: compare a node's routes to matchers as ranges 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 3a13b2e40a policy/matcher: binary-search ranges in overlap checks 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 90f873ee66 policy: look up approved routes in a set when auto-approving 
Avoid scanning the growing approval list for every announcement.
Use the sorted current routes when identifying additions.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 21fd9f1366 types, state: reduce a node's routes against the matchers once 
Reuse matcher membership and approved subnets across the route list.
Preserve route order and HA co-router visibility.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 2d2bfe8fd2 types: derive subnet and exit routes in one pass 
Emit each approved route once, in announcement order.
Skip derivation when no routes are approved.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 4d007eb5e9 state: skip route comparison for writes that leave routes alone 
Reuse immutable route inputs when classifying NodeStore writes.
Only derive routes when an announcement or approval changes.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 4cafc80fbd state, policy/v2: stop treating announced-only routes as policy changes 
Policy evaluation reads only announced-and-approved routes.
Keep publishing Hostinfo updates without rebuilding peer adjacency.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 4d1e8aa0c1 policy/v2, state: elect primaries by oldest control session 
A router that reconnects joins as a standby; one that kept its session
takes its routes back once available again, as on Tailscale. Both the
global and the via election use it, in place of anti-flap stickiness.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby e26c0059f3 types: add when a node's run of control sessions began 2026-10-28 00:51:39 +00:00
Kristoffer Dalby d59e14b197 state: keep a prefix mapped when no router is available 
Peers keep the routes of an offline or expired router, as on Tailscale.
The previous primary keeps the prefix, else the lowest-ID approver;
never one the prober declared unreachable.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 7daa08e94e policy/v2, state: elect via primaries among online, healthy routers 
Availability tests expiry itself, not only the online flag.
A health change on a via target now triggers a peer recompute.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby fe42e17a30 state: withhold HA probe results only for routers tied to a deferred one 2026-10-28 00:51:39 +00:00
Kristoffer Dalby b95f19e0d8 state: keep probing a lone advertiser while it is unhealthy 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 1864e7a284 hscontrol, types: strip trailing slashes from server_url 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 857e3fe5be db: bound the wait for a legacy hash verification slot 2026-10-28 00:51:39 +00:00
Kristoffer Dalby cbe5883e95 db: reload the credential row after a legacy hash verification 2026-10-28 00:51:39 +00:00
Kristoffer Dalby c827dc8fdc db: disable GORM's prepared statement cache on SQLite 
database.gorm.prepare_stmt is now ignored, with a startup warning.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby e6302ce9b6 policy/v2: refuse check SSH rules with tag sources 
A check asks the source's user to log in again, and a tagged node has
none. Tailscale SaaS refuses the rule; headscale accepted it.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 7fa1aa7d66 policy/v2: limit the destination and port pairs a policy declares 
A grant lists dst and ip apart, so its filter grows with their product.
Refuse a policy over 100,000 pairs, on every parse.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby f2924f39e6 policy/v2: refuse a port list in a grant ip entry 
Tailscale SaaS takes one port range per ip entry; a list was accepted
and expanded. Write each range as an entry of its own.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby a0ae68f22b policy/v2: evaluate policy tests before taking the write lock 
SetPolicy ran the policy's tests under the lock every map response and
node write needs. Run them on a snapshot of users and nodes first.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 350aea66f4 policy/v2: index compiled SSH rules by source for sshTests 
Each check scanned every rule and parsed every principal per login name,
destination and source address. Compile once per run, key each
destination's rules by principal address, and evaluate a name once.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby ea9f099657 policy/v2: parse the compiled filter once per tests run 
The tests evaluator parsed every SrcIPs and DstPorts entry again for
each assertion, source prefix and rule. Parse the filter once per run.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 643ed8bfc6 policy/v2: need every dst node for a tests accept, no range sources 
An accept passes only when each node behind the dst is reached, as on
Tailscale SaaS; a deny keeps its rule. A CIDR, "*" or autogroup:tagged
src names no user or host, so its test fails.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby bda2cb5076 policy/v2: label sshTests failures with the dst alias 
The report goes back to the policy author: name src and dst as written,
one line per dst occurrence, and a dst with no node as not reached.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 649985954f policy/v2: bound the tests and sshTests failure report 
The report printed every failure with the full labels, so its size was
labels times failures. Print 100 lines of 256-byte labels, then a count.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 76bdf3adad policy/v2: refuse autogroup:member as an sshTests destination 
Tailscale SaaS refuses it when parsing; headscale evaluated it.
 2026-10-28 00:51:39 +00:00
Kristoffer Dalby 124efeeaa0 policy/v2: refuse address ranges as sshTests sources 
A CIDR, or a hosts entry holding one, as an sshTests src is refused,
as on Tailscale SaaS. Destinations share the range check.
 2026-10-27 21:32:32 +00:00
Kristoffer Dalby a70a567ab7 policy/v2: map login 0 to no local user in SSH rules 
Every rule that maps root now carries "0": "", as Tailscale SaaS writes
it, also when the policy lists "0".
 2026-10-27 21:32:32 +00:00
Kristoffer Dalby 1eab82f7f5 policy/v2: write an ACL's repeated destination once 
An ACL that names a destination and port twice wrote the pair twice.
Grants keep their repeats, as on Tailscale SaaS.
 2026-10-27 21:32:32 +00:00
Kristoffer Dalby b4b2322182 policy/v2: write a single-address via destination bare 
Via rules wrote every destination with its prefix bits; ACL and grant
rules already drop them for a single address. Both use one formatter.
 2026-10-27 21:32:32 +00:00
Kristoffer Dalby c294109190 db: keep only the current policy 
Every write inserted a row and nothing deleted one, while every reader
takes only the newest. Writers store and install under one lock, so an
uncommitted insert cannot outlive the newer row that pruned the rest.
 2026-10-27 21:32:32 +00:00
Kristoffer Dalby f24fad2ccc state: install a written policy only after it is stored 
Writers validated by installing the policy live, so a store failure
left a refused or unstored policy enforced. Validate on a throwaway
manager, store, then reload from the stored row.
 2026-10-27 21:32:32 +00:00