httpcaddyfile: Sort site blocks with wildcards last (fix #3410)

This commit is contained in:
Matthew Holt 2020-06-03 09:35:13 -06:00
parent 83551edf3e
commit 97e61c16a3
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@ -377,7 +377,11 @@ func (st *ServerType) serversFromPairings(
// but I don't expect many blocks will have THAT many keys...
var iLongestPath, jLongestPath string
var iLongestHost, jLongestHost string
var iWildcardHost, jWildcardHost bool
for _, addr := range p.serverBlocks[i].keys {
if strings.Contains(addr.Host, "*.") {
iWildcardHost = true
}
if specificity(addr.Host) > specificity(iLongestHost) {
iLongestHost = addr.Host
}
@ -386,6 +390,9 @@ func (st *ServerType) serversFromPairings(
}
}
for _, addr := range p.serverBlocks[j].keys {
if strings.Contains(addr.Host, "*.") {
jWildcardHost = true
}
if specificity(addr.Host) > specificity(jLongestHost) {
jLongestHost = addr.Host
}
@ -393,6 +400,12 @@ func (st *ServerType) serversFromPairings(
jLongestPath = addr.Path
}
}
if iWildcardHost != jWildcardHost {
// site blocks that have a key with a wildcard in the hostname
// must always be less specific than blocks without one; see
// https://github.com/caddyserver/caddy/issues/3410
return jWildcardHost && !iWildcardHost
}
if specificity(iLongestHost) == specificity(jLongestHost) {
return len(iLongestPath) > len(jLongestPath)
}