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Kristoffer Dalby 6473122532 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 18:28:22 +00:00
Kristoffer Dalby f2f03b91b4 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 18:28:22 +00:00
Kristoffer Dalby 9b97dada51 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 18:28:22 +00:00
Kristoffer Dalby 3ce5bf5d9a 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 18:28:22 +00:00
Kristoffer Dalby acb45aadde types: add when a node's run of control sessions began 2026-10-28 18:28:22 +00:00
Kristoffer Dalby 59b8d2afe3 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 18:28:22 +00:00
Kristoffer Dalby 4d5b202db1 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 18:28:22 +00:00
Kristoffer Dalby 3af27ccfcc state: withhold HA probe results only for routers tied to a deferred one 2026-10-28 18:28:22 +00:00
Kristoffer Dalby e31012f70c state: keep probing a lone advertiser while it is unhealthy 2026-10-28 18:28:22 +00:00
Kristoffer Dalby 09717f1111 hscontrol, types: strip trailing slashes from server_url 2026-10-28 18:28:22 +00:00
Kristoffer Dalby 981a63b41e db: bound the wait for a legacy hash verification slot 2026-10-28 18:28:22 +00:00
Kristoffer Dalby 2f93effcdd db: reload the credential row after a legacy hash verification 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 1784673fe1 db: disable GORM's prepared statement cache on SQLite 
database.gorm.prepare_stmt is now ignored, with a startup warning.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby dcb31fe03a 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 18:28:21 +00:00
Kristoffer Dalby 6c2200ae6b 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 18:28:21 +00:00
Kristoffer Dalby 24f03fb786 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 18:28:21 +00:00
Kristoffer Dalby de6eed892c 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 18:28:21 +00:00
Kristoffer Dalby 8f833377ad 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 18:28:21 +00:00
Kristoffer Dalby 645fd16843 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 18:28:21 +00:00
Kristoffer Dalby e4af1dbf03 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 18:28:21 +00:00
Kristoffer Dalby 83d0bb6380 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 18:28:21 +00:00
Kristoffer Dalby 1835047ef8 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 18:28:21 +00:00
Kristoffer Dalby 9086f8189e policy/v2: refuse autogroup:member as an sshTests destination 
Tailscale SaaS refuses it when parsing; headscale evaluated it.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby b9e5d50b22 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.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 47f79d5241 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".
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 75ff1c4cdf 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.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 6f265f2baa 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.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 9b7cd07e54 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.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 819ae5e8ac 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.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby c31c8187b1 policy/v2: refuse an empty policy 
SetPolicy returned a nil error for empty input it ignored, so the v1
API stored it as valid. Reload skips only the nil "no policy" case.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby ba1dec5cf3 policy/v2: resolve tag owners one hop deep 
A user claims only the tags it owns directly, and a tag owns only the
tags that list it, as on Tailscale SaaS. With no walk left, validate
names an undefined owner once, with the tag that lists it.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby eff9c8b5d5 policy/v2: evaluate sshTests sources through the nodes they cover 
A src was expanded to every address it names, so "*" or ::/0 never
finished. Principals are node addresses: keep those plus one stand-in.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 18af75d312 policy/v2: resolve each group once per policy compile 
Group.resolve walked users and nodes for every member at every mention.
Resolve all groups once on a copy of the policy and compile from it.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby bfac20fe13 policy/v2: compile SSH rules once and share them across nodes 
SSHPolicy re-resolved every rule and built private principals per node.
Compile the rules once per policy, users and nodes; per node, only
select.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 22410ba29e policy/v2: merge rules sharing a source slice without rejoining it 
The rules of one ACL now share one SrcIPs slice; key it once instead of
joining it again for every rule, globally and per node.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby d68bfe8deb policy/v2: resolve an ACL's sources once for all its destinations 
An ACL compiles to one grant per destination, and each resolved and
rendered the same sources. ViaRoutesForPeer only needs one grant per
ACL.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby cbd2eef3de policy/v2: bound via route steering by the peer's routes 
Include and Exclude held one entry per overlapping dst, and the election
walked them per dst. Keep one entry per route; a peer without routes
returns at once.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby c49217fcd3 policy/v2: refresh clients when a user change drops the last via grant 
SetUsers read needsPerNodeFilter after the recompile cleared it, so
the change was reported as empty and clients kept the via rules.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 4bd72f1b68 state: serialise policy reloads 
Load and install the stored policy as one step, so an older
reload cannot install its document over a newer one.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby fab45d68f7 integration: keep HA cable-pull routers off each other's routes 
A router holding the other's route for its docker subnet in table 52
cannot be reattached: docker resolves the gateway through tailscale0.
Replaces the phase 4a wait that covered one case of it.
 2026-10-28 18:28:21 +00:00
Kristoffer Dalby 84f1404ea9 mapper: count only the batcher's goroutines in lifecycle tests 
runtime.NumGoroutine deltas moved when goroutines left by earlier
tests exited mid-test. Label the batcher's goroutines and count those.
 2026-10-28 18:27:54 +00:00
Kristoffer Dalby bba5fd6c94 policy/v2: recapture SSH data captures 
Every ssh_results row captured again from SaaS. SaaS now maps login "0"
to no local user in rules that map root, quotes a refused checkPeriod as
written and rewords its tailnet-domain refusal.
 2026-10-28 14:31:42 +00:00
Kristoffer Dalby 45948f2feb hscontrol, servertest: add key list scope golden data 
Read-only and key-making OAuth tokens of each tag set list auth keys
with and without all=true, over admin- and token-made keys of every tag
relation, one admin key made after the token-made ones.
 2026-10-28 14:31:41 +00:00
Kristoffer Dalby a16a38f527 servertest: add user role dispatch golden data 
An admin role change under autogroup:admin, mirrored as a user rename;
peers, filter and frames per node per step, and v2 device users.
 2026-10-28 14:31:40 +00:00
Kristoffer Dalby b4e2c0e93f servertest, state: add node name golden data 
Labels under taken hostnames, case-only renames, hostname changes, long
hostnames and a Service's name; API, peer and self per step, and State
labels as a restart would load them.
 2026-10-28 14:31:40 +00:00
Kristoffer Dalby b7fdc48a14 policy/v2, servertest: add policy generation golden data 
One policy over joins, a via router swap, an admin tag, a delete and a
group edit; filter, SSH, peers and routes per step, and the manager
against a fresh one.
 2026-10-28 14:30:16 +00:00
Kristoffer Dalby 659ac74d19 servertest: add hidden peer and route announcement golden data 
What a node hears of peers it cannot see, and what a router's peers hear
of routes it announces; presence, removals, peers and routes per step.
 2026-10-28 14:30:16 +00:00
Kristoffer Dalby fbce1be506 servertest: count map frames per client 
Counts ControlTime events, so frames that leave the netmap as it was,
or that a delta client applies in place, still show.
 2026-10-28 14:30:16 +00:00
Kristoffer Dalby 6f9eecc80e servertest: recapture map delivery golden data 
The probe now bounds snapshot reads and keeps feature refusals as data.
SaaS now sends appc and sshd laptop's unchanged entry on the restore.
 2026-10-28 14:30:15 +00:00
Kristoffer Dalby 71c668fc6b servertest: wait for each replayed join before the next 
Polls start in the background, so a later router could come online
first and keep the global primary SaaS gave the first.
 2026-10-28 14:30:15 +00:00