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tailscale/cmd
Brad Fitzpatrick 7fac0175c0 cmd/derper, derp/derphttp: support, generate self-signed IP address certs
For people who can't use LetsEncrypt because it's banned.

Per https://github.com/tailscale/tailscale/issues/11776#issuecomment-2520955317

This does two things:

1) if you run derper with --certmode=manual and --hostname=$IP_ADDRESS
   we previously permitted, but now we also:
   * auto-generate the self-signed cert for you if it doesn't yet exist on disk
   * print out the derpmap configuration you need to use that
     self-signed cert

2) teaches derp/derphttp's derp dialer to verify the signature of
   self-signed TLS certs, if so declared in the existing
   DERPNode.CertName field, which previously existed for domain fronting,
   separating out the dial hostname from how certs are validates,
   so it's not overloaded much; that's what it was meant for.

Fixes #11776

Change-Id: Ie72d12f209416bb7e8325fe0838cd2c66342c5cf
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
9 months ago
..
addlicense all: fix golangci-lint errors 11 months ago
build-webclient client/web: precompress assets 2 years ago
checkmetrics cmd/checkmetrics: add command for checking metrics against kb 1 year ago
cloner cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types 1 year ago
connector-gen cmd/connector-gen: add helper tool for wide app connector configurations 2 years ago
containerboot cmd/containerboot: fix nil pointer exception (#15090) 9 months ago
derper cmd/derper, derp/derphttp: support, generate self-signed IP address certs 9 months ago
derpprobe prober: support filtering regions by region ID in addition to code 11 months ago
dist release/dist/qnap: add qnap target builder 2 years ago
get-authkey cmd,tsnet,internal/client: create internal shim to deprecated control plane API 10 months ago
gitops-pusher cmd/gitops-pusher: log error details when unable to fetch ACL ETag 10 months ago
hello cmd/hello: display native ipv4 (#15191) 9 months ago
k8s-nameserver cmd/k8s-nameserver: fix AAAA record query response (#12412) 2 years ago
k8s-operator cmd/k8s-operator: ensure HA Ingress can operate in multicluster mode. (#15157) 9 months 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 cmd/natc: remove speculative tuning from natc 10 months 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 all: use new LocalAPI client package location 10 months ago
printdep cmd/printdep: print correct toolchain URL 3 years ago
proxy-to-grafana all: use new LocalAPI client package location 10 months ago
sniproxy all: use new LocalAPI client package location 10 months ago
speedtest all: update copyright and license headers 3 years ago
ssh-auth-none-demo ssh,tempfork/gliderlabs/ssh: replace github.com/tailscale/golang-x-crypto/ssh with golang.org/x/crypto/ssh 10 months ago
stunc cmd/stunc: enforce read timeout deadline (#14309) 1 year ago
stund go.toolchain.branch: update to Go 1.24 (#15016) 10 months ago
stunstamp cmd/stunstamp: add protocol context to timeout logs (#13422) 1 year ago
sync-containers all: adjust some build tags for plan9 2 years ago
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tailscale go.toolchain.branch: update to Go 1.24 (#15016) 10 months ago
tailscaled go.toolchain.branch: update to Go 1.24 (#15016) 10 months ago
testcontrol all: use Go 1.22 range-over-int 2 years ago
testwrapper cmd/testwrapper: Display package-level output 9 months ago
tl-longchain all: use new LocalAPI client package location 10 months ago
tsconnect go.toolchain.branch: update to Go 1.24 (#15016) 10 months ago
tsidp cmd/tsidp: use constant time comparison for client_id/secret (#15222) 9 months ago
tsshd all: update copyright and license headers 3 years ago
tta all: use new LocalAPI client package location 10 months ago
viewer cmd/viewer,all: consistently use "read-only" instead of "readonly" 11 months ago
vnet tstest/natlab/vnet: add start of IPv6 support 1 year ago
xdpderper all: add test for package comments, fix, add comments as needed 1 year ago