[network-manager-applet/th/vpn-service-info-bgo767197: 2/8] c-e: allow one VPN plugin to create multiple "Add" entires per provided service-type



commit 9033212f55f6b8a0ad30ff7c2d8c92a8b6eefa9c
Author: Thomas Haller <thaller redhat com>
Date:   Fri Jun 3 17:31:48 2016 +0200

    c-e: allow one VPN plugin to create multiple "Add" entires per provided service-type
    
    One VPN plugin can support multiple "service-types", also known as
    "aliases". These service-types look like a D-Bus bus name and are stored
    in the connection as vpn.service-type.
    
    Previously already, one VPN plugin could edit connections with different
    service-types, using aliases. That is for example used for nm-libreswan,
    which supports editing both libreswan and openswan types.
    
    However, in "Connection Add" one plugin could only create one entry
    in the list of supported types. Thus, the "vpn.service-type" could
    only be set to the main service-type, and one plugin could not create
    connection for their aliases.
    
    Extend that, by allowing the VPN to specify that it supports addition
    for the aliased service-types.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767197

 shared/Makefile.am                         |    3 +-
 shared/nm-vpn-editor-plugin-call.h         |   70 +++++++++++++++++++
 src/connection-editor/ce-new-connection.ui |   10 ++-
 src/connection-editor/connection-helpers.c |  100 ++++++++++++++++++----------
 src/connection-editor/vpn-helpers.c        |    1 +
 5 files changed, 144 insertions(+), 40 deletions(-)
---
diff --git a/shared/Makefile.am b/shared/Makefile.am
index 8ee639d..28b0bf2 100644
--- a/shared/Makefile.am
+++ b/shared/Makefile.am
@@ -4,4 +4,5 @@ EXTRA_DIST = \
      nm-default.h \
      nm-glib.h \
      nm-macros-internal.h \
-     nm-test-utils.h
+     nm-test-utils.h \
+     nm-vpn-editor-plugin-call.h
diff --git a/shared/nm-vpn-editor-plugin-call.h b/shared/nm-vpn-editor-plugin-call.h
new file mode 100644
index 0000000..37278ee
--- /dev/null
+++ b/shared/nm-vpn-editor-plugin-call.h
@@ -0,0 +1,70 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright (C) 2015 Red Hat, Inc.
+ */
+
+#ifndef __NM_VPN_EDITOR_PLUGIN_CALL_H__
+#define __NM_VPN_EDITOR_PLUGIN_CALL_H__
+
+/* This header is an internal, header-only file that can be copied to
+ * other projects to call well-known service functions on VPN plugins. */
+
+#include <NetworkManager.h>
+
+/* we make use of otherinternal header files, you need those too. */
+#include "gsystem-local-alloc.h"
+#include "nm-macros-internal.h"
+
+#ifndef NM_VPN_EDITOR_PLUGIN_CALL_GET_SERVICE_INFO
+#define NM_VPN_EDITOR_PLUGIN_CALL_GET_SERVICE_INFO "get-service-info"
+#endif
+
+static inline gboolean
+nm_vpn_editor_plugin_get_service_info (NMVpnEditorPlugin *plugin,
+                                       const char *service_type,
+                                       char **out_short_name,
+                                       char **out_pretty_name,
+                                       char **out_description,
+                                       guint *out_flags)
+{
+       gs_free char *short_name_local = NULL;
+       gs_free char *pretty_name_local = NULL;
+       gs_free char *description_local = NULL;
+       guint flags_local = 0;
+
+       g_return_val_if_fail (NM_IS_VPN_EDITOR_PLUGIN (plugin), FALSE);
+       g_return_val_if_fail (service_type, FALSE);
+
+       if (!nm_vpn_editor_plugin_call (plugin,
+                                       NM_VPN_EDITOR_PLUGIN_CALL_GET_SERVICE_INFO,
+                                       NULL,
+                                       G_TYPE_STRING, &service_type,
+                                       G_TYPE_INVALID,
+                                       G_TYPE_STRING, &short_name_local,
+                                       G_TYPE_STRING, &pretty_name_local,
+                                       G_TYPE_STRING, &description_local,
+                                       G_TYPE_UINT,   out_flags ?: &flags_local,
+                                       G_TYPE_INVALID))
+               return FALSE;
+       NM_SET_OUT (out_short_name, g_steal_pointer (&short_name_local));
+       NM_SET_OUT (out_pretty_name, g_steal_pointer (&pretty_name_local));
+       NM_SET_OUT (out_description, g_steal_pointer (&description_local));
+       return TRUE;
+}
+
+#endif /* __NM_VPN_EDITOR_PLUGIN_CALL_H__ */
diff --git a/src/connection-editor/ce-new-connection.ui b/src/connection-editor/ce-new-connection.ui
index ec4a3c9..3512dbb 100644
--- a/src/connection-editor/ce-new-connection.ui
+++ b/src/connection-editor/ce-new-connection.ui
@@ -4,14 +4,16 @@
   <requires lib="gtk+" version="3.0"/>
   <object class="GtkListStore" id="new_connection_combo_model">
     <columns>
-      <!-- column-name name -->
+      <!-- column-name name, COL_MARKUP -->
       <column type="gchararray"/>
-      <!-- column-name sensitive -->
+      <!-- column-name sensitive, COL_SENSITIVE -->
       <column type="gboolean"/>
-      <!-- column-name new_func -->
+      <!-- column-name new_func, COL_NEW_FUNC -->
       <column type="gpointer"/>
-      <!-- column-name vpn_plugin -->
+      <!-- column-name vpn_plugin, COL_VPN_PLUGIN -->
       <column type="GObject"/>
+      <!-- column-name vpn_service_type, COL_VPN_SERVICE_TYPE -->
+      <column type="gchararray"/>
     </columns>
   </object>
   <object class="GtkDialog" id="new_connection_type_dialog">
diff --git a/src/connection-editor/connection-helpers.c b/src/connection-editor/connection-helpers.c
index 9cc789c..cf1ba31 100644
--- a/src/connection-editor/connection-helpers.c
+++ b/src/connection-editor/connection-helpers.c
@@ -35,11 +35,13 @@
 #include "page-vlan.h"
 #include "page-vpn.h"
 #include "vpn-helpers.h"
+#include "nm-vpn-editor-plugin-call.h"
 
 #define COL_MARKUP     0
 #define COL_SENSITIVE  1
 #define COL_NEW_FUNC   2
 #define COL_VPN_PLUGIN 3
+#define COL_VPN_SERVICE_TYPE 4
 
 static gint
 sort_types (gconstpointer a, gconstpointer b)
@@ -141,8 +143,10 @@ combo_changed_cb (GtkComboBox *combo, gpointer user_data)
        GtkLabel *label = GTK_LABEL (user_data);
        GtkTreeModel *model;
        GtkTreeIter iter;
-       NMVpnEditorPlugin *plugin = NULL;
-       char *description, *markup;
+       gs_unref_object NMVpnEditorPlugin *plugin = NULL;
+       gs_free char *service_type = NULL;
+       gs_free char *description = NULL;
+       gs_free char *markup = NULL;
 
        if (!gtk_combo_box_get_active_iter (combo, &iter))
                goto error;
@@ -151,19 +155,21 @@ combo_changed_cb (GtkComboBox *combo, gpointer user_data)
        if (!model)
                goto error;
 
-       gtk_tree_model_get (model, &iter, COL_VPN_PLUGIN, &plugin, -1);
-       if (!plugin)
+       gtk_tree_model_get (model, &iter,
+                           COL_VPN_PLUGIN, &plugin,
+                           COL_VPN_SERVICE_TYPE, &service_type,
+                           -1);
+       if (!plugin || !service_type)
                goto error;
 
-       g_object_get (G_OBJECT (plugin), NM_VPN_EDITOR_PLUGIN_DESCRIPTION, &description, NULL);
-       g_object_unref (plugin);
+       if (!nm_vpn_editor_plugin_get_service_info (plugin, service_type, NULL, NULL, &description, NULL))
+               g_object_get (G_OBJECT (plugin), NM_VPN_EDITOR_PLUGIN_DESCRIPTION, &description, NULL);
+
        if (!description)
                goto error;
 
        markup = g_markup_printf_escaped ("<i>%s</i>", description);
        gtk_label_set_markup (label, markup);
-       g_free (markup);
-       g_free (description);
        return;
 
 error:
@@ -259,24 +265,56 @@ set_up_connection_type_combo (GtkComboBox *combo,
        }
 
        for (p = vpn_plugins; p; p = p->next) {
-               NMVpnEditorPlugin *plugin = nm_vpn_plugin_info_get_editor_plugin (p->data);
-               char *desc;
+               NMVpnPluginInfo *plugin_info = p->data;
+               NMVpnEditorPlugin *plugin;
+               const char *const*aliases;
+               const char *service_type;
+               gboolean is_alias = FALSE;
+
+               plugin = nm_vpn_plugin_info_get_editor_plugin (plugin_info);
+               if (!plugin)
+                       continue;
 
-               g_object_get (plugin, NM_VPN_EDITOR_PLUGIN_NAME, &desc, NULL);
+               service_type = nm_vpn_plugin_info_get_service (plugin_info);
+               aliases = nm_vpn_plugin_info_get_aliases (plugin_info);
+
+               for (;;) {
+                       gs_free char *pretty_name = NULL;
+                       guint flags;
+
+                       if (!nm_vpn_editor_plugin_get_service_info (plugin, service_type, NULL, &pretty_name, 
NULL, &flags)) {
+                               if (!is_alias)
+                                       goto next;
+                               g_object_get (plugin, NM_VPN_EDITOR_PLUGIN_NAME, &pretty_name, NULL);
+                               flags = NM_VPN_EDITOR_PLUGIN_SERVICE_FLAGS_CAN_ADD;
+                       }
+                       if (!pretty_name)
+                               goto next;
+                       if (!NM_FLAGS_HAS (flags, NM_VPN_EDITOR_PLUGIN_SERVICE_FLAGS_CAN_ADD))
+                               goto next;
+
+                       if (show_headers)
+                               markup = g_markup_printf_escaped ("    %s", pretty_name);
+                       else
+                               markup = g_markup_escape_text (pretty_name, -1);
 
-               if (show_headers)
-                       markup = g_markup_printf_escaped ("    %s", desc);
-               else
-                       markup = g_markup_escape_text (desc, -1);
-               gtk_list_store_append (model, &iter);
-               gtk_list_store_set (model, &iter,
-                                   COL_MARKUP, markup,
-                                   COL_SENSITIVE, TRUE,
-                                   COL_NEW_FUNC, list[vpn_index].new_connection_func,
-                                   COL_VPN_PLUGIN, plugin,
-                                   -1);
-               g_free (markup);
-               g_free (desc);
+                       gtk_list_store_append (model, &iter);
+                       gtk_list_store_set (model, &iter,
+                                           COL_MARKUP, markup,
+                                           COL_SENSITIVE, TRUE,
+                                           COL_NEW_FUNC, list[vpn_index].new_connection_func,
+                                           COL_VPN_PLUGIN, plugin,
+                                           COL_VPN_SERVICE_TYPE, service_type,
+                                           -1);
+                       g_free (markup);
+
+next:
+                       if (!aliases || !aliases[0])
+                               break;
+                       is_alias = TRUE;
+                       service_type = aliases[0];
+                       aliases++;
+               }
 
                if (nm_vpn_editor_plugin_get_capabilities (plugin) & NM_VPN_EDITOR_PLUGIN_CAPABILITY_IMPORT)
                        import_supported = TRUE;
@@ -389,8 +427,7 @@ new_connection_dialog_full (GtkWindow *parent_window,
        GtkTreeIter iter;
        int response;
        PageNewConnectionFunc new_func = NULL;
-       NMVpnEditorPlugin *plugin = NULL;
-       char *vpn_type = NULL;
+       gs_free char *vpn_service_type = NULL;
        GError *error = NULL;
 
        /* load GUI */
@@ -425,24 +462,17 @@ new_connection_dialog_full (GtkWindow *parent_window,
                gtk_combo_box_get_active_iter (combo, &iter);
                gtk_tree_model_get (gtk_combo_box_get_model (combo), &iter,
                                    COL_NEW_FUNC, &new_func,
-                                   COL_VPN_PLUGIN, &plugin,
+                                   COL_VPN_SERVICE_TYPE, &vpn_service_type,
                                    -1);
-
-               if (plugin) {
-                       g_object_get (G_OBJECT (plugin), NM_VPN_EDITOR_PLUGIN_SERVICE, &vpn_type, NULL);
-                       g_object_unref (plugin);
-               }
        }
 
        gtk_widget_destroy (GTK_WIDGET (type_dialog));
        g_object_unref (gui);
 
        if (new_func)
-               new_connection_of_type (parent_window, vpn_type, client, new_func, result_func, user_data);
+               new_connection_of_type (parent_window, vpn_service_type, client, new_func, result_func, 
user_data);
        else
                result_func (NULL, user_data);
-
-       g_free (vpn_type);
 }
 
 typedef struct {
diff --git a/src/connection-editor/vpn-helpers.c b/src/connection-editor/vpn-helpers.c
index 0fd3f98..4a875ed 100644
--- a/src/connection-editor/vpn-helpers.c
+++ b/src/connection-editor/vpn-helpers.c
@@ -337,3 +337,4 @@ vpn_supports_ipv6 (NMConnection *connection)
        capabilities = nm_vpn_editor_plugin_get_capabilities (plugin);
        return (capabilities & NM_VPN_EDITOR_PLUGIN_CAPABILITY_IPV6) != 0;
 }
+


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