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tailscale/net/dnscache
Brad Fitzpatrick e92eb6b17b net/tlsdial: fix TLS cert validation of HTTPS proxies
If you had HTTPS_PROXY=https://some-valid-cert.example.com running a
CONNECT proxy, we should've been able to do a TLS CONNECT request to
e.g. controlplane.tailscale.com:443 through that, and I'm pretty sure
it used to work, but refactorings and lack of integration tests made
it regress.

It probably regressed when we added the baked-in LetsEncrypt root cert
validation fallback code, which was testing against the wrong hostname
(the ultimate one, not the one which we were being asked to validate)

Fixes #16222

Change-Id: If014e395f830e2f87f056f588edacad5c15e91bc
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
6 months ago
..
dnscache.go net/tlsdial: fix TLS cert validation of HTTPS proxies 6 months ago
dnscache_test.go tstest: add method to Replace values for tests 3 years ago
messagecache.go util/cmpx: delete now that we're using Go 1.22 2 years ago
messagecache_test.go net/*: remove Windows exceptions for when Resolver.PreferGo didn't work 6 months ago