Moved configuration from resolver manager to unbound plugin

Also streamlined log messages in unbound plugin.

src/libstrongswan/resolver/resolver.h

@@ -24,16 +24,9 @@
 typedef struct resolver_t resolver_t;
 
 /**
- * Constructor function which creates resolver instances.
- *
- * Creates a new DNS resolver with settings from the file resolv_conf and
- * keys from the file ta_file as DNSSEC trust anchor.
- *
- * @param resolv_conf	path to the file resolv.conf
- * @param ta_file		path to a file with the DNSSEC trust anchors
- * @return				resolver instance
+ * Constructor function which creates DNS resolver instances.
  */
-typedef resolver_t* (*resolver_constructor_t)(char *resolv_conf, char *ta_file);
+typedef resolver_t* (*resolver_constructor_t)(void);
 
 #include <resolver/resolver_response.h>
 #include <resolver/rr_set.h>

src/libstrongswan/resolver/resolver_manager.c

@@ -56,20 +56,7 @@ METHOD(resolver_manager_t, remove_resolver, void,
 METHOD(resolver_manager_t, create, resolver_t*,
 	private_resolver_manager_t *this)
 {
-	char *resolv_conf;
-	char *trust_anchor_file;
-
-	resolv_conf = lib->settings->get_str(lib->settings,
-										 "libstrongswan.plugins.resolver."
-										 "resolv_conf",
-										 "/etc/resolv.conf");
-
-	trust_anchor_file = lib->settings->get_str(lib->settings,
-											   "libstrongswan.plugins.resolver."
-											   "trust_anchor",
-											   "/etc/trust.anchors");
-
-	return this->constructor(resolv_conf, trust_anchor_file);
+	return this->constructor();
 }
 
 METHOD(resolver_manager_t, destroy, void,