Support enumeration of key/value pairs in a section of strongswan.conf

src/libstrongswan/settings.c

@@ -324,6 +324,39 @@ static enumerator_t* create_section_enumerator(private_settings_t *this,
 					(void*)section_filter, NULL, NULL);
 }
 
+/**
+ * Enumerate key and values, not kv_t entries
+ */
+static bool kv_filter(void *null, kv_t **in, char **key,
+					  void *none, char **value)
+{
+	*key = (*in)->key;
+	*value = (*in)->value;
+	return TRUE;
+}
+
+/**
+ * Implementation of settings_t.create_key_value_enumerator
+ */
+static enumerator_t* create_key_value_enumerator(private_settings_t *this,
+												 char *key, ...)
+{
+	section_t *section;
+	va_list args;
+
+	va_start(args, key);
+	section = find_section(this->top, key, args);
+	va_end(args);
+
+	if (!section)
+	{
+		return enumerator_create_empty();
+	}
+	return enumerator_create_filter(
+					section->kv->create_enumerator(section->kv),
+					(void*)kv_filter, NULL, NULL);
+}
+
 /**
  * destroy a section
  */
@@ -495,6 +528,7 @@ settings_t *settings_create(char *file)
 	this->public.get_time = (u_int32_t(*)(settings_t*, char *key, u_int32_t def, ...))get_time;
 	this->public.get_bool = (bool(*)(settings_t*, char *key, bool def, ...))get_bool;
 	this->public.create_section_enumerator = (enumerator_t*(*)(settings_t*,char *section, ...))create_section_enumerator;
+	this->public.create_key_value_enumerator = (enumerator_t*(*)(settings_t*, char *key, ...))create_key_value_enumerator;
 	this->public.destroy = (void(*)(settings_t*))destroy;
 
 	this->top = NULL;

src/libstrongswan/settings.h

@@ -103,6 +103,17 @@ struct settings_t {
 	 */
 	enumerator_t* (*create_section_enumerator)(settings_t *this,
 											   char *section, ...);
+
+	/**
+	 * Create an enumerator over key/value pairs in a section.
+	 *
+	 * @param section	section name to list key/value pairs of, printf style
+	 * @param ...		argmuent list for section
+	 * @return			enumerator over (char *key, char *value)
+	 */
+	enumerator_t* (*create_key_value_enumerator)(settings_t *this,
+												 char *section, ...);
+
 	/**
 	 * Destroy a settings instance.
 	 */