MXS-1220: Add HTTP BA authentication

The admin interface now supports Basic Access authentication. This is not
a secure method of authentication and it should not be used without
unencrypted connections.

Made the admin interface port, authentication, username and password
configurable.

include/maxscale/adminusers.h.in

@@ -30,6 +30,9 @@ MXS_BEGIN_DECLS
 /** Default user for the administrative interface */
 #define DEFAULT_ADMIN_USER "@DEFAULT_ADMIN_USER@"
 
+static const char INET_DEFAULT_USERNAME[] = "admin";
+static const char INET_DEFAULT_PASSWORD[] = "mariadb";
+
 /*
  * MySQL session specific data
  *

include/maxscale/config.h

@@ -26,7 +26,12 @@
 
 MXS_BEGIN_DECLS
 
+/** Default port where the REST API listens */
+#define DEFAULT_ADMIN_HTTP_PORT 8080
+
 #define _RELEASE_STR_LENGTH     256     /**< release len */
+#define MAX_ADMIN_USER_LEN      1024
+#define MAX_ADMIN_PW_LEN        1024
 
 /**
  * The config parameter
@@ -74,6 +79,10 @@ typedef struct
     bool          skip_permission_checks;              /**< Skip service and monitor permission checks */
     char          qc_name[PATH_MAX];                   /**< The name of the query classifier to load */
     char*         qc_args;                             /**< Arguments for the query classifier */
+    char          admin_user[MAX_ADMIN_USER_LEN];      /**< Admin interface user */
+    char          admin_password[MAX_ADMIN_PW_LEN];    /**< Admin interface password */
+    uint16_t      admin_port;                          /**< Admin interface port */
+    bool          admin_auth;                          /**< Admin interface authentication */
 } MXS_CONFIG;
 
 /**