caddyhttp: Corrected host label index check (fix #3502)

This commit is contained in:
Matthew Holt 2020-06-30 11:42:55 -06:00
parent ddd690de4c
commit 77f233a484
2 changed files with 5 additions and 1 deletions

View File

@ -172,7 +172,7 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
reqHost = req.Host // OK; assume there was no port
}
hostLabels := strings.Split(reqHost, ".")
if idx > len(hostLabels) {
if idx >= len(hostLabels) {
return "", true
}
return hostLabels[len(hostLabels)-idx-1], true

View File

@ -107,6 +107,10 @@ eqp31wM9il1n+guTNyxJd+FzVAH+hCZE5K+tCgVDdVFUlDEHHbS/wqb2PSIoouLV
input: "{http.request.host.labels.1}",
expect: "example",
},
{
input: "{http.request.host.labels.2}",
expect: "<empty>",
},
{
input: "{http.request.tls.cipher_suite}",
expect: "TLS_AES_256_GCM_SHA384",