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Kristoffer Dalby 043ba98701 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 19:06:05 +00:00
Kristoffer Dalby df86073f54 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 19:06:05 +00:00
Kristoffer Dalby 5329b35d45 types: add when a node's run of control sessions began 2026-10-28 19:06:05 +00:00
Kristoffer Dalby fc395ba756 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 19:06:05 +00:00
Kristoffer Dalby bc131da3d6 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 19:06:05 +00:00
Kristoffer Dalby fb54b5e89b state: withhold HA probe results only for routers tied to a deferred one 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 5892e2b1a6 state: keep probing a lone advertiser while it is unhealthy 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 5bad0d8d7e hscontrol, types: strip trailing slashes from server_url 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 2163d382c4 db: bound the wait for a legacy hash verification slot 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 11263b75a3 db: reload the credential row after a legacy hash verification 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 29c2924c04 db: disable GORM's prepared statement cache on SQLite 
database.gorm.prepare_stmt is now ignored, with a startup warning.
 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 4d36d89e8a 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 19:06:04 +00:00
Kristoffer Dalby 7d934b1d8e 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 19:06:04 +00:00
Kristoffer Dalby e0f59bc13a 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 19:06:04 +00:00
Kristoffer Dalby f18501e8c6 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 19:06:04 +00:00
Kristoffer Dalby 4452b058ef 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 19:06:04 +00:00
Kristoffer Dalby 76cdabaef2 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 19:06:04 +00:00
Kristoffer Dalby 8a59373631 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 19:06:04 +00:00
Kristoffer Dalby 77db4da87d 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 19:06:04 +00:00
Kristoffer Dalby 89c26d0628 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 19:06:04 +00:00
Kristoffer Dalby 5e2a04d34a policy/v2: refuse autogroup:member as an sshTests destination 
Tailscale SaaS refuses it when parsing; headscale evaluated it.
 2026-10-28 19:06:04 +00:00
Kristoffer Dalby 4554bd5b9c 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 19:06:04 +00:00
Kristoffer Dalby bd8a1f0bb6 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 19:06:04 +00:00
Kristoffer Dalby 52f19dac0b 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 19:06:04 +00:00
Kristoffer Dalby 2e7c677841 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 19:06:04 +00:00
Kristoffer Dalby 9b46f8f1fc 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 19:06:04 +00:00
Kristoffer Dalby a9024e564d 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 19:06:04 +00:00
Kristoffer Dalby 837ede3fbc 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 19:06:04 +00:00
Kristoffer Dalby 34b564354c 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 19:06:04 +00:00
Kristoffer Dalby dfaf494ab3 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 19:06:04 +00:00
Kristoffer Dalby 41d84aaf69 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 19:06:04 +00:00
Kristoffer Dalby a581c971be 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 19:06:04 +00:00
Kristoffer Dalby 56dac9098f 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 19:06:04 +00:00
Kristoffer Dalby 7fc586e7d3 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 19:06:04 +00:00
Kristoffer Dalby 17cf9441ce 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 19:06:04 +00:00
Kristoffer Dalby f6ec374c23 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 19:06:04 +00:00
Kristoffer Dalby 1b724a5bb9 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 19:06:04 +00:00
Kristoffer Dalby 026d2b718c 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 19:06:04 +00:00
Kristoffer Dalby 8ee9980b96 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 19:06:04 +00:00
Kristoffer Dalby 062bfff33d 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 19:06:04 +00:00
Kristoffer Dalby 54f8030acc 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 19:06:03 +00:00
Kristoffer Dalby 8662eaeb8e 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 19:06:03 +00:00
Kristoffer Dalby 18cbaf6f2a 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 19:06:03 +00:00
Kristoffer Dalby 8bb0454fce 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 19:06:03 +00:00
Kristoffer Dalby 98fe8f2935 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 19:06:03 +00:00
Kristoffer Dalby 67b37ac32e 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 19:06:03 +00:00
Kristoffer Dalby 9d138868b3 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 19:06:03 +00:00
Kristoffer Dalby 9793ff0c9b 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 19:06:03 +00:00
Kristoffer Dalby b2c4fb9ebf servertest: count deleted nodes in replayed peer views 
Only nodes still in State resolved to an alias, so a client that kept
a deleted peer passed the peers and route owner checks.
 2026-10-28 19:06:03 +00:00
Kristoffer Dalby 123407bf2c servertest: recapture via HA failover golden data 
The probe now bounds its reads and stops when a step loses data.
Route owners and peers match the first capture at every step.
 2026-10-28 19:06:03 +00:00