json-tls: refactor to export logging function

To be able to add TLS data in alert we need to do the same as what
is done with HTTP ie export the logging functions.

src/output-json-tls.c

@@ -72,7 +72,19 @@ typedef struct JsonTlsLogThread_ {
 
 #define SSL_VERSION_LENGTH 13
 
-static void LogTlsLogExtendedJSON(json_t *tjs, SSLState * state)
+void JsonTlsLogJSONBasic(json_t *js, SSLState *ssl_state)
+{
+    /* tls.subject */
+    json_object_set_new(js, "subject",
+                        json_string(ssl_state->server_connp.cert0_subject));
+
+    /* tls.issuerdn */
+    json_object_set_new(js, "issuerdn",
+                        json_string(ssl_state->server_connp.cert0_issuerdn));
+
+}
+
+void JsonTlsLogJSONExtended(json_t *tjs, SSLState * state)
 {
     char ssl_version[SSL_VERSION_LENGTH + 1];
 
@@ -145,16 +157,10 @@ static int JsonTlsLogger(ThreadVars *tv, void *thread_data, const Packet *p)
     /* reset */
     MemBufferReset(buffer);
 
-    /* tls.subject */
-    json_object_set_new(tjs, "subject",
-                        json_string(ssl_state->server_connp.cert0_subject));
-
-    /* tls.issuerdn */
-    json_object_set_new(tjs, "issuerdn",
-                        json_string(ssl_state->server_connp.cert0_issuerdn));
+    JsonTlsLogJSONBasic(tjs, ssl_state);
 
     if (tls_ctx->flags & LOG_TLS_EXTENDED) {
-        LogTlsLogExtendedJSON(tjs, ssl_state);
+        JsonTlsLogJSONExtended(tjs, ssl_state);
     }
 
     json_object_set_new(js, "tls", tjs);

src/output-json-tls.h

@@ -26,4 +26,11 @@
 
 void TmModuleJsonTlsLogRegister (void);
 
+#ifdef HAVE_LIBJANSSON
+#include "app-layer-ssl.h"
+
+void JsonTlsLogJSONBasic(json_t *js, SSLState *ssl_state);
+void JsonTlsLogJSONExtended(json_t *js, SSLState *ssl_state);
+#endif /* HAVE_LIBJANSSON */
+
 #endif /* __OUTPUT_JSON_TLS_H__ */