feature/featuretags: add features for c2n, peerapi, advertise/use routes/exit nodes

Saves 262 KB so far. I'm sure I missed some places, but shotizam says
these were the low hanging fruit.

Updates #12614

Change-Id: Ia31c01b454f627e6d0470229aae4e19d615e45e3
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2025-10-01 19:18:46 -07:00
committed by Brad Fitzpatrick
parent 2cd518a8b6
commit a208cb9fd5
29 changed files with 469 additions and 79 deletions

View File

@@ -1409,6 +1409,9 @@ func (c *Direct) answerPing(pr *tailcfg.PingRequest) {
answerHeadPing(c.logf, httpc, pr)
return
case "c2n":
if !buildfeatures.HasC2N {
return
}
if !useNoise && !envknob.Bool("TS_DEBUG_PERMIT_HTTP_C2N") {
c.logf("refusing to answer c2n ping without noise")
return