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acme/autocert: include rejected hostname in TLS handshake error when host not configured

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More informative error message enables HTTPS server configuration mistakes to be corrected quickly, since log files will now include the rejected hostname.  If the hostname should be accepted, it can be added to the HostWhitelist Policy.

Fixes golang/go#28345

Change-Id: I801c82f0d3b19bc34592c9cd0bce77f1b284d19d
GitHub-Last-Rev: 5dfe731d732d693f9bdd79c8a74efd30a2f56d0b
GitHub-Pull-Request: golang/crypto#63
Reviewed-on: https://go-review.googlesource.com/c/144337
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
David Jones
2018-10-24 17:11:44 +00:00
committed by Brad Fitzpatrick
parent 0c41d7ab0a
commit 74cb1d3d52
1 changed files with 1 additions and 1 deletions
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acme/autocert/autocert.go
+1 -1
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@@ -69,7 +69,7 @@ func HostWhitelist(hosts ...string) HostPolicy {
}
return func(_ context.Context, host string) error {
if !whitelist[host] {
return errors.New("acme/autocert: host not configured")
return fmt.Errorf("acme/autocert: host %q not configured in HostWhitelist", host)
}
return nil
}