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tailscale/cmd
Anton Tolchanov 151b77f9d6 cmd/tl-longchain: tool to re-sign nodes with long rotation signatures
In Tailnet Lock, there is an implicit limit on the number of rotation
signatures that can be chained before the signature becomes too long.

This program helps tailnet admins to identify nodes that have signatures
with long chains and prints commands to re-sign those node keys with a
fresh direct signature. It's a temporary mitigation measure, and we will
remove this tool as we design and implement a long-term approach for
rotation signatures.

Example output:

```
2024/08/20 18:25:03 Self: does not need re-signing
2024/08/20 18:25:03 Visible peers with valid signatures:
2024/08/20 18:25:03 Peer xxx2.yy.ts.net. (100.77.192.34) nodeid=nyDmhiZiGA11KTM59, current signature kind=direct: does not need re-signing
2024/08/20 18:25:03 Peer xxx3.yy.ts.net. (100.84.248.22) nodeid=ndQ64mDnaB11KTM59, current signature kind=direct: does not need re-signing
2024/08/20 18:25:03 Peer xxx4.yy.ts.net. (100.85.253.53) nodeid=nmZfVygzkB21KTM59, current signature kind=rotation: chain length 4, printing command to re-sign
tailscale lock sign nodekey:530bddbfbe69e91fe15758a1d6ead5337aa6307e55ac92dafad3794f8b3fc661 tlpub:4bf07597336703395f2149dce88e7c50dd8694ab5bbde3d7c2a1c7b3e231a3c2
```

To support this, the NetworkLockStatus localapi response now includes
information about signatures of all peers rather than just the invalid
ones. This is not displayed by default in `tailscale lock status`, but
will be surfaced in `tailscale lock status --json`.

Updates #13185

Signed-off-by: Anton Tolchanov <anton@tailscale.com>
1 year ago
..
addlicense all: update tools that manage copyright headers 3 years ago
build-webclient client/web: precompress assets 2 years ago
cloner cmd/cloner, cmd/viewer: add _test prefix for files generated with the test build tag 1 year ago
connector-gen cmd/connector-gen: add helper tool for wide app connector configurations 2 years ago
containerboot cmd/containerboot: optionally serve health check endpoint (#12899) 1 year ago
derper go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 1 year ago
derpprobe cmd/derpprobe: use a status page from the prober library 1 year ago
dist release/dist/qnap: add qnap target builder 2 years ago
get-authkey util/cmpx: delete now that we're using Go 1.22 2 years ago
gitops-pusher cmd/gitops-pusher: ignore previous etag if local acls match control (#13068) 1 year ago
hello cmd/hello: link to the Hello KB article (#11022) 2 years ago
k8s-nameserver cmd/k8s-nameserver: fix AAAA record query response (#12412) 2 years ago
k8s-operator net/tstun,wgengine{/netstack/gro}: refactor and re-enable gVisor GRO for Linux (#13172) 1 year ago
mkmanifest cmd/mkmanifest, cmd/tailscale, cmd/tailscaled: remove Windows arm32 resources from OSS 3 years ago
mkpkg go.mod: upgrade nfpm to v2 (#8786) 2 years ago
mkversion version/mkversion: open-source version generation logic 3 years ago
nardump all: update copyright and license headers 3 years ago
natc go.mod: bump bart 1 year ago
netlogfmt all: use Go 1.22 range-over-int 2 years ago
nginx-auth tailcfg,all: add and use Node.IsTagged() 3 years ago
pgproxy tsnet: split user facing and backend logging 2 years ago
printdep cmd/printdep: print correct toolchain URL 3 years ago
proxy-to-grafana cmd/proxy-to-grafana: add flag for alternative control server 1 year ago
sniproxy all: use math/rand/v2 more 2 years ago
speedtest all: update copyright and license headers 3 years ago
ssh-auth-none-demo all: replace deprecated ioutil references 2 years ago
stunc cmd/stunc: support user-specified port (#12469) 1 year ago
stund types/opt: add generic Value[T any] for optional values of any types 1 year ago
stunstamp cmd/stunstamp: refactor connection construction (#13110) 1 year ago
sync-containers all: adjust some build tags for plan9 2 years ago
tailscale go.{mod,sum}: migrate from nhooyr.io/websocket to github.com/coder/websocket 1 year ago
tailscaled net/tstun,wgengine{/netstack/gro}: refactor and re-enable gVisor GRO for Linux (#13172) 1 year ago
testcontrol all: use Go 1.22 range-over-int 2 years ago
testwrapper cmd/testwrapper: apply results of all unit tests to coverage for all packages 2 years ago
tl-longchain cmd/tl-longchain: tool to re-sign nodes with long rotation signatures 1 year ago
tsconnect all: use math/rand/v2 more 2 years ago
tsidp cmd/tsidp: add funnel support (#12591) 1 year ago
tsshd all: update copyright and license headers 3 years ago
tta cmd/tta, vnet: add host firewall, env var support, more tests 1 year ago
viewer cmd/viewer: add support for map-like container types 1 year ago
vnet gokrazy,tstest/integration/nat: add Gokrazy appliance just for natlab 1 year ago
xdpderper all: add test for package comments, fix, add comments as needed 1 year ago