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4ea7c3ba2a5d5ec0a671745511a3498627bb1f89
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319 Commits
Author SHA1 Message Date
Kristoffer Dalby 4ea7c3ba2a policy/v2, servertest: add bare IPv6 sshTests destination capture 
SaaS fails an accept to a bare IPv6 dst, checking the source at
::ffff:100.64.0.0, which no device holds; the IPv4 twin passes.
Headscale checks the source's own addresses and accepts.
 2026-10-28 19:06:49 +00:00
Kristoffer Dalby 80dc7d388c api/v2: stop echoing request values in error responses 
huma sets an unexpected property's value to the whole request object.
A refused policy, or another 400, now carries its reason in message,
and a failed test run one data entry per failing test naming its src.
 2026-10-28 19:06:06 +00:00
Kristoffer Dalby 3f5f0258d9 policy/v2: match no user for a bare "@" token 2026-10-28 19:06:06 +00:00
Kristoffer Dalby 17415a84cc policy/v2: match no one for an ambiguous user outside policy writes 
A change to user identifiers must not block startup or later logins.
Keep policy writes strict; log ambiguous references on load and refresh.
 2026-10-28 19:06:06 +00:00
Kristoffer Dalby dc15b793fa policy/v2: prefer the user owning an email over a username match 2026-10-28 19:06:06 +00:00
Kristoffer Dalby b88d80af01 policy/v2: check grant and nodeAttrs user references on write 
Validation now refuses every input that reached the SetPolicy compile
failure, so restoring the previous policy there is defensive only.
 2026-10-28 19:06:06 +00:00
Kristoffer Dalby 5b7bebff08 policy/v2: warn once at load about malformed nextdns attrs 
SaaS loads them and its resolver skips them, as headscale does, but the
mapper also logged a warning per node on every DNS build.
 2026-10-28 19:06:05 +00:00
Kristoffer Dalby d3cc4ad861 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 19:06:05 +00:00
Kristoffer Dalby b140580d37 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 19:06:05 +00:00
Kristoffer Dalby b9d35f5397 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 19:06:05 +00:00
Kristoffer Dalby b26dd72046 policy, state: log only the routes auto-approval adds 2026-10-28 19:06:05 +00:00
Kristoffer Dalby e800362a66 policy/matcher, types: compare a node's routes to matchers as ranges 2026-10-28 19:06:05 +00:00
Kristoffer Dalby 064d35bb36 policy/matcher: binary-search ranges in overlap checks 2026-10-28 19:06:05 +00:00
Kristoffer Dalby 5f7d34d53e 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 19:06:05 +00:00
Kristoffer Dalby 0eea9cadf4 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 19:06:05 +00:00
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 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 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 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 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 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 f9e54092db servertest, policy/v2: replay tag owner chain joins through registration 
A key login never asks the policy about requested tags, so the joins are
checked where headscale decides them. OAuth mints stay at
TagOwnedByTags.
 2026-10-28 19:06:03 +00:00
Kristoffer Dalby aadf17797f policy/v2: name the destination in sshTests failure breakdowns 
A failure reported against the wrong dst alias no longer passes.
 2026-10-28 19:06:03 +00:00
Kristoffer Dalby 6e749b9fc7 policy/v2: check the SSH login 0 mapping apart from the rules 
Its skip entries no longer hide rule count, order or principals.
 2026-10-28 19:06:03 +00:00
Kristoffer Dalby b9ac6da8b2 policy/v2: add grant port list refusal capture 
Grant and ACL refusals share one check-keyed refused/message check.
 2026-10-28 19:06:03 +00:00
Kristoffer Dalby 7c6458605e policy/v2, servertest: add via port captures 
A port-limited ACL entry beside a via grant, and a via tag with no
advertiser. Via HA replays now compare router filters by address.
 2026-10-28 19:06:02 +00:00
Kristoffer Dalby 9a38d78828 policy/v2, servertest: add multi-route router captures 
A seven-route router and an exit node under six policies; replayed
through policy, peer map and map stream. Peer map now checked against
SaaS peers.
 2026-10-28 19:06:02 +00:00
Kristoffer Dalby 6bc3d28365 policy/v2, mapper: add nextdns attr captures 
SaaS accepts malformed nextdns profiles and keeps them in the CapMap;
its resolver skips them. DoH addresses compare per node: path, query,
ID.
 2026-10-28 19:06:02 +00:00