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Commit Graph
153 Commits
Author SHA1 Message Date
Kristoffer Dalby 89647cac2f mapper: show an expired peer online, without endpoints or DERP 
A connected expired node shows online to its peers. Neither its map
entry nor endpoint, DERP or disco patches carry the paths to reach it.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 464dba33e1 mapper: trim the Hostinfo sent to peers and to the node itself 
As on Tailscale SaaS, the node's own entry keeps Hostname, RequestTags,
RoutableIPs and Services; peers get Hostname, OS, Services without
peerapi-dns-proxy, SSH host keys and AppConnector, and resend on those.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 833ff6b053 mapper: keep an expired node authorised in its own entry 
Tailscale SaaS sends an expired node MachineAuthorized and no Expired
flag; its past KeyExpiry already moves the client to NeedsLogin.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 9482a1c6c3 state: apply requested tags on a key login that owns them 
A requested tag the key's user owns directly, or the key's tags own one
hop away, replaces the key's tags instead of refusing the login.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 7e995b1ff9 state: auto-approve routes after an admin tag change 
The new tags may approve announced routes. Approval runs once the policy
manager knows the new owner, as after a registration.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 7343a7d0fc state: drop auto-approved routes when they are withdrawn 
Only routes auto-approval alone granted go; approvals from before the
upgrade stay, as do routes an admin set.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby e8d45606a0 state: auto-approve on registration only when the node key rotates 
Registration runs the approval itself, once the policy manager knows the
node's owner, for a new node key or a change to the announced routes.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 6e3de18b5c auth: store a client's earlier expiry and expire a tagged node at logout 
A client may bring its expiry forward, which turns expiry on for a node
without one, but still cannot push it back. Logout expires tagged nodes
too.
 2026-10-28 07:15:54 +00:00
Kristoffer Dalby 588a2f934c auth, state: answer an expired node's same-key login with NodeKeyExpired 
The client then rotates its node key and logs in again, so no key is
judged under the expired one. The machine stays authorised.
 2026-10-28 07:15:54 +00:00
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 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 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 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 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 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 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 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 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 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 4dcb59d453 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.
 2026-10-27 21:32:32 +00:00
Kristoffer Dalby 90933aef03 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.
 2026-10-27 21:31:36 +00:00
Kristoffer Dalby 85b9b022a4 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 791ad5fd2c 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 376390ed7c 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 6900fc2182 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 3a8d0aacc8 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby bafeb7ebc0 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 5f01923282 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby be8c273504 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 2a8b614a03 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby a0d6662119 hscontrol, servertest: fail on any unread pending login or expiry entry 
Each map serves one capture, so a misspelled capture name never went
stale.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 254205db54 servertest: require a map on each stream an expiry replay opens 
The cached netmap outlives a stream, so a refused re-poll passed.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 673a17156e servertest: compare filter and SSH rules in expiry replays 
Changed-or-not alone let empty rules pass for SaaS's new ones.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby c370d9737e servertest: recapture ephemeral, expiry and pending login golden data 
The expiry file now holds the shared policy, DNS and observer setup.
Outcomes match the first capture; collection was seen one poll earlier.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 992d39f3db servertest: judge ephemeral collection apart from the poll that saw it 
Killed nodes are checked once at the last read, for devices left and
whether the observer lost them since the kill.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 0298186946 servertest: recapture v2 OAuth and policy API golden data 
Tag writes are read back once the tags hold, and both files carry a
baseline snapshot. Statuses and read-backs match the first capture.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby ad4dbfdfbc 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.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 9a3553665e servertest: recapture re-authentication golden data 
The probe now stops a refused login's retries; the replay disconnects
there too. Outcomes match the first capture, and user IDs are labels.
 2026-10-27 21:31:35 +00:00
Kristoffer Dalby 5ae0064ef8 servertest: fail on skip entries no lifecycle replay reads 
Consumers check entries under their own capture only, so a bare or
misspelled key never went stale.
 2026-10-27 21:31:35 +00:00