Commit Graph
4921 Commits
Author SHA1 Message Date
Kristoffer Dalby 09aba4e488 state: write node rows from the NodeStore under persistMu 2026-10-30 14:55:36 +00:00
Kristoffer Dalby b4f970f93c state: apply map requests only under the node key that authorised them 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 4b4ce87cd0 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 4e433f7a04 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby ffd4f34841 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby be07e0f536 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 3719b4db0d policy, state: log only the routes auto-approval adds 2026-10-30 14:55:36 +00:00
Kristoffer Dalby bcc951ec54 poll: hold the map session's node as a view 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 05a5c11a20 policy/matcher, types: compare a node's routes to matchers as ranges 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 926998d553 policy/matcher: binary-search ranges in overlap checks 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 3c62eb17bb 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 5314508846 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 9093e0108b types: derive subnet and exit routes in one pass
Emit each approved route once, in announcement order.
Skip derivation when no routes are approved.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 2dc2dfc8cd 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 8735976f26 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 2377e060f2 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 41dc97401b types: add when a node's run of control sessions began 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 160302e920 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby af6babc4fa 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby a1ab489eb2 state: withhold HA probe results only for routers tied to a deferred one 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 8571c2e989 state: keep probing a lone advertiser while it is unhealthy 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 2c265e1300 hscontrol, types: strip trailing slashes from server_url 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 08f600f045 db: bound the wait for a legacy hash verification slot 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 8c7d5e5551 db: reload the credential row after a legacy hash verification 2026-10-30 14:55:36 +00:00
Kristoffer Dalby 3b2553755b db: disable GORM's prepared statement cache on SQLite
database.gorm.prepare_stmt is now ignored, with a startup warning.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby f39d1b8928 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 7fa696a690 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby cae4033813 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 649e864819 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 39f928e6d8 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 19dc9873d1 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 58c1ccf86c 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby ad1d2bef2f 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 19d8960f10 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 5a316e83d0 policy/v2: refuse autogroup:member as an sshTests destination
Tailscale SaaS refuses it when parsing; headscale evaluated it.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 63ccb1dad7 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 7a5f548ec3 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".
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 9e79b08fa6 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 0708870b6c 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby c4bf1cb46f 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 7123c4b593 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby f3b2d6b798 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 8dee772bea 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 23014255b2 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby b6edf6f0cf 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 80a9a9084b 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 65006bff41 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby eb9c14b5f2 policy/v2: treat an ACL as one grant in ViaRoutesForPeer
Ports never steer routes, and one grant per destination
matched the sources once per destination.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 0aff3656e2 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.
2026-10-30 14:55:36 +00:00
Kristoffer Dalby 60f0b20d76 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.
2026-10-30 14:55:36 +00:00