httpcaddyfile: Skip automate when auto_https off is specified (#5110)

caddyconfig/httpcaddyfile/tlsapp.go

@@ -48,6 +48,10 @@ func (st ServerType) buildTLSApp(
 	if hsp, ok := options["https_port"].(int); ok {
 		httpsPort = strconv.Itoa(hsp)
 	}
+	autoHTTPS := "on"
+	if ah, ok := options["auto_https"].(string); ok {
+		autoHTTPS = ah
+	}
 
 	// count how many server blocks have a TLS-enabled key with
 	// no host, and find all hosts that share a server block with
@@ -331,10 +335,12 @@ func (st ServerType) buildTLSApp(
 	internalAP := &caddytls.AutomationPolicy{
 		IssuersRaw: []json.RawMessage{json.RawMessage(`{"module":"internal"}`)},
 	}
-	for h := range httpsHostsSharedWithHostlessKey {
-		al = append(al, h)
-		if !certmagic.SubjectQualifiesForPublicCert(h) {
-			internalAP.Subjects = append(internalAP.Subjects, h)
+	if autoHTTPS != "off" {
+		for h := range httpsHostsSharedWithHostlessKey {
+			al = append(al, h)
+			if !certmagic.SubjectQualifiesForPublicCert(h) {
+				internalAP.Subjects = append(internalAP.Subjects, h)
+			}
 		}
 	}
 	if len(al) > 0 {

caddytest/integration/caddyfile_adapt/tls_automation_policies_10.txt

@@ -0,0 +1,58 @@
+# example from issue #4667
+{
+	auto_https off
+}
+
+https://, example.com {
+	tls test.crt test.key
+	respond "Hello World"
+}
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"handle": [
+								{
+									"body": "Hello World",
+									"handler": "static_response"
+								}
+							]
+						}
+					],
+					"tls_connection_policies": [
+						{
+							"certificate_selection": {
+								"any_tag": [
+									"cert0"
+								]
+							}
+						}
+					],
+					"automatic_https": {
+						"disable": true
+					}
+				}
+			}
+		},
+		"tls": {
+			"certificates": {
+				"load_files": [
+					{
+						"certificate": "test.crt",
+						"key": "test.key",
+						"tags": [
+							"cert0"
+						]
+					}
+				]
+			}
+		}
+	}
+}