New upstream version 1.29.90 upstream/1.29.90

1 files changed, 290 insertions, 0 deletions

diff --git a/src/core/settings/nm-settings-plugin.c b/src/core/settings/nm-settings-plugin.c
new file mode 100644
index 00000000..9e81caab
--- /dev/null
+++ b/src/core/settings/nm-settings-plugin.c
@@ -0,0 +1,290 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2007 - 2018 Red Hat, Inc.
+ * Copyright (C) 2008 Novell, Inc.
+ */
+
+#include "src/core/nm-default-daemon.h"
+
+#include "nm-settings-plugin.h"
+
+#include "nm-utils.h"
+#include "nm-core-internal.h"
+
+#include "nm-settings-connection.h"
+
+/*****************************************************************************/
+
+enum {
+    UNMANAGED_SPECS_CHANGED,
+    UNRECOGNIZED_SPECS_CHANGED,
+
+    LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0};
+
+G_DEFINE_TYPE(NMSettingsPlugin, nm_settings_plugin, G_TYPE_OBJECT)
+
+/*****************************************************************************/
+
+int
+nm_settings_plugin_cmp_by_priority(const NMSettingsPlugin *a,
+                                   const NMSettingsPlugin *b,
+                                   const GSList *          plugin_list)
+{
+    nm_assert(NM_IS_SETTINGS_PLUGIN(a));
+    nm_assert(NM_IS_SETTINGS_PLUGIN(b));
+
+    if (a != b) {
+        int idx_a = g_slist_index((GSList *) plugin_list, a);
+        int idx_b = g_slist_index((GSList *) plugin_list, b);
+
+        /* the plugins must be found in the list. */
+        nm_assert(idx_a >= 0);
+        nm_assert(idx_b >= 0);
+
+        /* plugins that appear first in @plugin_list have higher priority.
+         * That means: smaller index -> higher priority. Reverse sort. */
+        NM_CMP_DIRECT(idx_b, idx_a);
+    }
+
+    return 0;
+}
+
+/*****************************************************************************/
+
+GSList *
+nm_settings_plugin_get_unmanaged_specs(NMSettingsPlugin *self)
+{
+    NMSettingsPluginClass *klass;
+
+    g_return_val_if_fail(NM_IS_SETTINGS_PLUGIN(self), NULL);
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+    if (!klass->get_unmanaged_specs)
+        return NULL;
+    return klass->get_unmanaged_specs(self);
+}
+
+GSList *
+nm_settings_plugin_get_unrecognized_specs(NMSettingsPlugin *self)
+{
+    NMSettingsPluginClass *klass;
+
+    g_return_val_if_fail(NM_IS_SETTINGS_PLUGIN(self), NULL);
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+    if (!klass->get_unrecognized_specs)
+        return NULL;
+    return klass->get_unrecognized_specs(self);
+}
+
+void
+nm_settings_plugin_reload_connections(NMSettingsPlugin *                     self,
+                                      NMSettingsPluginConnectionLoadCallback callback,
+                                      gpointer                               user_data)
+{
+    NMSettingsPluginClass *klass;
+
+    g_return_if_fail(NM_IS_SETTINGS_PLUGIN(self));
+    g_return_if_fail(callback);
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+    if (klass->reload_connections)
+        klass->reload_connections(self, callback, user_data);
+}
+
+NMSettingsPluginConnectionLoadEntry *
+nm_settings_plugin_create_connection_load_entries(const char *const *filenames, gsize *out_len)
+{
+    NMSettingsPluginConnectionLoadEntry *entries;
+    gsize                                len;
+    gsize                                i;
+
+    len = NM_PTRARRAY_LEN(filenames);
+    if (len == 0) {
+        *out_len = 0;
+        return NULL;
+    }
+
+    entries = g_new(NMSettingsPluginConnectionLoadEntry, len);
+    for (i = 0; i < len; i++) {
+        entries[i] = (NMSettingsPluginConnectionLoadEntry){
+            .filename = filenames[i],
+            .error    = NULL,
+            .handled  = FALSE,
+        };
+    }
+
+    *out_len = len;
+    return entries;
+}
+
+void
+nm_settings_plugin_load_connections(NMSettingsPlugin *                     self,
+                                    NMSettingsPluginConnectionLoadEntry *  entries,
+                                    gsize                                  n_entries,
+                                    NMSettingsPluginConnectionLoadCallback callback,
+                                    gpointer                               user_data)
+{
+    NMSettingsPluginClass *klass;
+
+    g_return_if_fail(NM_IS_SETTINGS_PLUGIN(self));
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+    if (klass->load_connections)
+        klass->load_connections(self, entries, n_entries, callback, user_data);
+}
+
+void
+nm_settings_plugin_load_connections_done(NMSettingsPlugin *self)
+{
+    NMSettingsPluginClass *klass;
+
+    g_return_if_fail(NM_IS_SETTINGS_PLUGIN(self));
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+    if (klass->load_connections_done)
+        klass->load_connections_done(self);
+}
+
+gboolean
+nm_settings_plugin_add_connection(NMSettingsPlugin *  self,
+                                  NMConnection *      connection,
+                                  NMSettingsStorage **out_storage,
+                                  NMConnection **     out_connection,
+                                  GError **           error)
+{
+    NMSettingsPluginClass *klass;
+
+    g_return_val_if_fail(NM_IS_SETTINGS_PLUGIN(self), FALSE);
+    g_return_val_if_fail(NM_IS_CONNECTION(connection), FALSE);
+
+#if NM_MORE_ASSERTS > 5
+    nm_assert(nm_connection_verify(connection, NULL));
+#endif
+
+    NM_SET_OUT(out_storage, NULL);
+    NM_SET_OUT(out_connection, NULL);
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+    if (!klass->add_connection) {
+        g_set_error_literal(error,
+                            NM_SETTINGS_ERROR,
+                            NM_SETTINGS_ERROR_NOT_SUPPORTED,
+                            "settings plugin does not support adding connections");
+        return FALSE;
+    }
+    return klass->add_connection(self, connection, out_storage, out_connection, error);
+}
+
+gboolean
+nm_settings_plugin_update_connection(NMSettingsPlugin *  self,
+                                     NMSettingsStorage * storage,
+                                     NMConnection *      connection,
+                                     NMSettingsStorage **out_storage,
+                                     NMConnection **     out_connection,
+                                     GError **           error)
+{
+    NMSettingsPluginClass *klass = NULL;
+
+    g_return_val_if_fail(NM_IS_SETTINGS_PLUGIN(self), FALSE);
+    g_return_val_if_fail(NM_IS_SETTINGS_STORAGE(storage), FALSE);
+    g_return_val_if_fail(nm_settings_storage_get_plugin(storage) == self, FALSE);
+    g_return_val_if_fail(NM_IS_CONNECTION(connection), FALSE);
+
+#if NM_MORE_ASSERTS > 5
+    nm_assert(nm_connection_verify(connection, NULL));
+    nm_assert(nm_streq(nm_connection_get_uuid(connection), nm_settings_storage_get_uuid(storage)));
+#endif
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+
+    NM_SET_OUT(out_storage, NULL);
+    NM_SET_OUT(out_connection, NULL);
+
+    if (!klass->update_connection) {
+        g_set_error(error,
+                    NM_SETTINGS_ERROR,
+                    NM_SETTINGS_ERROR_NOT_SUPPORTED,
+                    "settings plugin does not support modifying connections");
+        return FALSE;
+    }
+    return klass->update_connection(self, storage, connection, out_storage, out_connection, error);
+}
+
+gboolean
+nm_settings_plugin_delete_connection(NMSettingsPlugin * self,
+                                     NMSettingsStorage *storage,
+                                     GError **          error)
+{
+    NMSettingsPluginClass *klass = NULL;
+
+    g_return_val_if_fail(NM_IS_SETTINGS_PLUGIN(self), FALSE);
+    g_return_val_if_fail(NM_IS_SETTINGS_STORAGE(storage), FALSE);
+    g_return_val_if_fail(nm_settings_storage_get_plugin(storage) == self, FALSE);
+
+    klass = NM_SETTINGS_PLUGIN_GET_CLASS(self);
+
+    if (!klass->delete_connection) {
+        g_set_error(error,
+                    NM_SETTINGS_ERROR,
+                    NM_SETTINGS_ERROR_NOT_SUPPORTED,
+                    "settings plugin does not support deleting connections");
+        return FALSE;
+    }
+
+    return klass->delete_connection(self, storage, error);
+}
+
+/*****************************************************************************/
+
+void
+_nm_settings_plugin_emit_signal_unmanaged_specs_changed(NMSettingsPlugin *self)
+{
+    nm_assert(NM_IS_SETTINGS_PLUGIN(self));
+
+    g_signal_emit(self, signals[UNMANAGED_SPECS_CHANGED], 0);
+}
+
+void
+_nm_settings_plugin_emit_signal_unrecognized_specs_changed(NMSettingsPlugin *self)
+{
+    nm_assert(NM_IS_SETTINGS_PLUGIN(self));
+
+    g_signal_emit(self, signals[UNRECOGNIZED_SPECS_CHANGED], 0);
+}
+
+/*****************************************************************************/
+
+static void
+nm_settings_plugin_init(NMSettingsPlugin *self)
+{}
+
+static void
+nm_settings_plugin_class_init(NMSettingsPluginClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS(klass);
+
+    signals[UNMANAGED_SPECS_CHANGED] = g_signal_new(NM_SETTINGS_PLUGIN_UNMANAGED_SPECS_CHANGED,
+                                                    G_OBJECT_CLASS_TYPE(object_class),
+                                                    G_SIGNAL_RUN_FIRST,
+                                                    0,
+                                                    NULL,
+                                                    NULL,
+                                                    g_cclosure_marshal_VOID__VOID,
+                                                    G_TYPE_NONE,
+                                                    0);
+
+    signals[UNRECOGNIZED_SPECS_CHANGED] =
+        g_signal_new(NM_SETTINGS_PLUGIN_UNRECOGNIZED_SPECS_CHANGED,
+                     G_OBJECT_CLASS_TYPE(object_class),
+                     G_SIGNAL_RUN_FIRST,
+                     0,
+                     NULL,
+                     NULL,
+                     g_cclosure_marshal_VOID__VOID,
+                     G_TYPE_NONE,
+                     0);
+}