core: add authorization providers and optional PolicyKit support

When the support is complete, use --with-polkit to enable
PolicyKit support.  It's not there yet, but this commit adds an
authorization provider framework which will be extended to allow
hooking into PolicyKit.

1 files changed, 99 insertions, 0 deletions

diff --git a/src/mm-auth-provider.h b/src/mm-auth-provider.h
new file mode 100644
index 00000000..8d693f3e
--- /dev/null
+++ b/src/mm-auth-provider.h
@@ -0,0 +1,99 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ */
+
+#ifndef MM_AUTH_PROVIDER_H
+#define MM_AUTH_PROVIDER_H
+
+#include <glib-object.h>
+
+/* Authorizations */
+#define MM_AUTHORIZATION_DEVICE   "org.freedesktop.ModemManager.Device"
+#define MM_AUTHORIZATION_CONTACTS "org.freedesktop.ModemManager.Contacts"
+#define MM_AUTHORIZATION_SMS      "org.freedesktop.ModemManager.SMS"
+/******************/
+
+
+#define MM_TYPE_AUTH_PROVIDER            (mm_auth_provider_get_type ())
+#define MM_AUTH_PROVIDER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), MM_TYPE_AUTH_PROVIDER, MMAuthProvider))
+#define MM_AUTH_PROVIDER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  MM_TYPE_AUTH_PROVIDER, MMAuthProviderClass))
+#define MM_IS_AUTH_PROVIDER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MM_TYPE_AUTH_PROVIDER))
+#define MM_IS_AUTH_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  MM_TYPE_AUTH_PROVIDER))
+#define MM_AUTH_PROVIDER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  MM_TYPE_AUTH_PROVIDER, MMAuthProviderClass))
+
+#define MM_AUTH_PROVIDER_NAME "name"
+
+typedef enum MMAuthResult {
+    MM_AUTH_RESULT_UNKNOWN = 0,
+    MM_AUTH_RESULT_INTERNAL_FAILURE,
+    MM_AUTH_RESULT_NOT_AUTHORIZED,
+    MM_AUTH_RESULT_CHALLENGE,
+    MM_AUTH_RESULT_AUTHORIZED
+} MMAuthResult;
+
+typedef struct MMAuthRequest MMAuthRequest;
+typedef struct _MMAuthProvider MMAuthProvider;
+typedef struct _MMAuthProviderClass MMAuthProviderClass;
+
+typedef void (*MMAuthRequestCb) (GObject *instance,
+                                 guint32 reqid,
+                                 MMAuthResult result,
+                                 gpointer user_data);
+
+struct _MMAuthProvider {
+    GObject parent;
+};
+
+struct _MMAuthProviderClass {
+    GObjectClass parent;
+
+    gboolean (*request_auth) (MMAuthProvider *provider,
+                              MMAuthRequest *req,
+                              GError **error);
+};
+
+GType mm_auth_provider_get_type (void);
+
+guint32 mm_auth_provider_request_auth (MMAuthProvider *provider,
+                                       const char *authorization,
+                                       GObject *instance,
+                                       MMAuthRequestCb callback,
+                                       gpointer callback_data,
+                                       GDestroyNotify notify,
+                                       GError **error);
+
+/* To get an auth provider instance, implemented in mm-auth-provider-factory.c */
+MMAuthProvider *mm_auth_provider_get (void);
+
+/* For subclasses only */
+MMAuthRequest *mm_auth_provider_get_request      (MMAuthProvider *provider, guint32 reqid);
+MMAuthRequest *mm_auth_request_ref               (MMAuthRequest *req);
+void           mm_auth_request_unref             (MMAuthRequest *req);
+guint32        mm_auth_request_get_id            (MMAuthRequest *req);
+const char *   mm_auth_request_get_authorization (MMAuthRequest *req);
+
+/* Normal API */
+
+/* schedules the request's completion */
+void mm_auth_provider_finish_request (MMAuthProvider *provider,
+                                      guint32 reqid,
+                                      MMAuthResult result);
+
+void mm_auth_provider_cancel_request (MMAuthProvider *provider, guint32 reqid);
+
+const char *mm_auth_provider_get_authorization_for_id (MMAuthProvider *provider,
+                                                       guint32 reqid);
+
+#endif /* MM_AUTH_PROVIDER_H */
+