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File gvfs-nds.patch of Package gvfs (Revision f204f5a2f8b295b1c7768c95289994bb)

Currently displaying revision f204f5a2f8b295b1c7768c95289994bb , Show latest

diff --git a/daemon/gvfsbackendnds.c b/daemon/gvfsbackendnds.c
new file mode 100644
index 0000000..960d457
--- /dev/null
+++ b/daemon/gvfsbackendnds.c
@@ -0,0 +1,747 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode; nil; -*- */
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Alexander Larsson <alexl@redhat.com>
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <glib/gstdio.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <dlfcn.h>
+#include <sys/utsname.h>
+
+#include "gvfsbackendnds.h"
+#include "gvfsjobmountmountable.h"
+#include "gvfsjobopenforread.h"
+#include "gvfsjobread.h"
+#include "gvfsjobseekread.h"
+#include "gvfsjobqueryinfo.h"
+#include "gvfsjobenumerate.h"
+#include "gvfsdaemonprotocol.h"
+#include "gmounttracker.h"
+#include "gvfsmonitor.h"
+
+
+
+typedef struct {
+  char *name;
+  char *name_normalized;
+  char *name_utf8;
+} BrowseEntry;
+
+struct _GVfsBackendNds
+{
+  GVfsBackend parent_instance;
+
+  char *server;
+  char *mounted_server;
+
+  GMutex entries_lock;
+  GList *entries;
+  int entry_errno;
+};
+
+static GMountTracker *mount_tracker = NULL;
+
+G_DEFINE_TYPE (GVfsBackendNds, g_vfs_backend_nds, G_VFS_TYPE_BACKEND)
+
+static gboolean
+is_root (const char *filename)
+{
+  const char *p;
+
+  p = filename;
+  while (*p == '/')
+    p++;
+
+  return *p == 0;
+}
+
+static char *
+normalize_nds_name_helper (const char *name, gssize len, gboolean valid_utf8)
+{
+  if (valid_utf8)
+    return g_utf8_casefold (name, len);
+  else
+    return g_ascii_strdown (name, len);
+}
+
+static char *
+normalize_nds_name (const char *name, gssize len)
+{
+  gboolean valid_utf8;
+
+  valid_utf8 = g_utf8_validate (name, len, NULL);
+  return normalize_nds_name_helper (name, len, valid_utf8);
+}
+
+static char *
+nds_name_to_utf8 (const char *name, gboolean *valid_utf8_out)
+{
+  GString *string;
+  const gchar *remainder, *invalid;
+  gint remaining_bytes, valid_bytes;
+  gboolean valid_utf8;
+
+  remainder = name;
+  remaining_bytes = strlen (name);
+  valid_utf8 = TRUE;
+
+  string = g_string_sized_new (remaining_bytes);
+  while (remaining_bytes != 0)
+  {
+      if (g_utf8_validate (remainder, remaining_bytes, &invalid))
+          break;
+      valid_utf8 = FALSE;
+
+      valid_bytes = invalid - remainder;
+
+      g_string_append_len (string, remainder, valid_bytes);
+      /* append U+FFFD REPLACEMENT CHARACTER */
+      g_string_append (string, "\357\277\275");
+
+      remaining_bytes -= valid_bytes + 1;
+      remainder = invalid + 1;
+  }
+
+  g_string_append (string, remainder);
+
+  if (valid_utf8_out)
+    *valid_utf8_out = valid_utf8;
+
+  return g_string_free (string, FALSE);
+}
+
+static void
+browse_entry_free (BrowseEntry *entry)
+{
+  if(entry->name != NULL)
+    g_free (entry->name);
+  if(entry != NULL)
+    g_free (entry);
+}
+
+
+static void
+g_vfs_backend_nds_finalize (GObject *object)
+{
+  GVfsBackendNds *backend;
+
+  backend = G_VFS_BACKEND_NDS (object);
+
+  if(backend->mounted_server != NULL)
+      g_free (backend->mounted_server);
+  if(backend->server != NULL)
+      g_free (backend->server);
+
+  g_mutex_clear (&backend->entries_lock);
+
+  g_list_foreach (backend->entries, (GFunc)browse_entry_free, NULL);
+  if(backend->entries != NULL)
+      g_list_free (backend->entries);
+
+  if (G_OBJECT_CLASS (g_vfs_backend_nds_parent_class)->finalize)
+      (*G_OBJECT_CLASS (g_vfs_backend_nds_parent_class)->finalize) (object);
+}
+
+static void
+g_vfs_backend_nds_init (GVfsBackendNds *backend)
+{
+  g_mutex_init(&backend->entries_lock);
+
+  if (mount_tracker == NULL)
+    mount_tracker = g_mount_tracker_new (NULL, FALSE);
+}
+
+
+static void
+update_cache (GVfsBackendNds *backend,const char *filename)
+{
+  GList *entries;
+  int entry_errno;
+  char *objectname=NULL;
+  char *treename=NULL;
+  GList *objectlist=NULL;
+  GList *object=NULL;
+  FILE *fptr=NULL;
+  void *handle=NULL; //handle for dlopen
+  int res;
+  char *ptr=NULL;
+  char *server_name=NULL;
+  struct utsname utsbuf;
+/* Function Pointer to /opt/novell/lib/libinterface.so */
+  int (*retrieve_children)(char *,char ***,int *);
+  char **object_list_array=NULL;
+  int num_objects=0;
+  int i;
+
+  entries = NULL;
+  entry_errno = 0;
+
+  if(backend->server != NULL)
+  {
+      server_name = g_strdup(backend->server);
+      if((ptr = strchr(server_name,'%')) != NULL)
+          *ptr = '\0';
+
+  }
+
+  if(backend->server == NULL)  //retrieve Tree names
+  {
+      treename = (char *)malloc(sizeof(char) * 80);
+      system("/opt/novell/ncl/bin/retrieve_trees.pl");
+      fptr = fopen("/tmp/ndstrees.txt","r");
+      if(fptr == NULL)
+      {
+          entry_errno = -1;
+          goto out;
+      }
+      while (fgets(treename,80,fptr) != NULL)
+      {
+          objectlist = g_list_append(objectlist,g_strdup(treename));
+          memset(treename,'\0',80);
+      }
+      fclose(fptr);
+      free(treename);
+  }
+
+  else  //retrieve object names
+  {
+      uname(&utsbuf);
+      if(!strcmp(utsbuf.machine,"x86_64"))
+          handle = dlopen("/usr/lib64/libinterface.so",RTLD_NOW | RTLD_DEEPBIND);
+      else
+          handle = dlopen("/usr/lib/libinterface.so",RTLD_NOW | RTLD_DEEPBIND);
+
+      if(handle == NULL)
+      {
+          return;
+      }
+      *(void **)(&retrieve_children) = dlsym(handle,"retrieve_children");
+
+      if(retrieve_children != NULL)
+      {
+          res = (*retrieve_children)(server_name,&object_list_array,&num_objects);
+          if(res == 0)
+          {
+              for(i=0;i < num_objects; i++)
+              {
+                  objectlist = g_list_append(objectlist,g_strdup(*(object_list_array+ i)));
+              }
+          }
+      }
+      else
+      {
+          return;
+      }
+      dlclose(handle);
+  }
+
+
+  gboolean valid_utf8;
+  BrowseEntry *entry;
+
+  for(object = objectlist;object != NULL;object = object->next)
+  {
+      entry = g_new (BrowseEntry, 1);
+      objectname = object->data;
+      entry->name = g_strdup (objectname);
+      entry->name_utf8 = nds_name_to_utf8 (objectname, &valid_utf8);
+      entry->name_normalized = normalize_nds_name_helper (objectname, -1, valid_utf8);
+
+      entries = g_list_append (entries, entry);
+  }
+
+  //if(objectlist != NULL)
+  //g_list_free(objectlist);
+
+out:
+
+  if(entry_errno == 0)
+  {
+      g_mutex_lock (&backend->entries_lock);
+      backend->entries = entries;
+      g_mutex_unlock (&backend->entries_lock);
+  }
+  backend->entry_errno = entry_errno;
+
+}
+
+static BrowseEntry *
+find_entry_unlocked (GVfsBackendNds *backend,
+		     const char *filename)
+{
+    BrowseEntry *entry, *found;
+    GList *l;
+    char *end;
+    int len;
+
+    while (*filename == '/')
+        filename++;
+
+    end = strchr (filename, '/');
+    if (end)
+    {
+        len = end - filename;
+
+        while (*end == '/')
+            end++;
+
+        if (*end != 0)
+            return NULL;
+    }
+    else
+        len = strlen (filename);
+
+    /* First look for an exact filename match */
+    found = NULL;
+    for (l = backend->entries; l != NULL; l = l->next)
+    {
+        entry = l->data;
+
+        if (strncmp (filename, entry->name, len) == 0 &&
+                strlen (entry->name) == len)
+        {
+            found = entry;
+            break;
+        }
+    }
+
+    if (found == NULL)
+    {
+        char *normalized;
+        /* That failed, try normalizing the filename */
+        normalized = normalize_nds_name (filename, len);
+
+        for (l = backend->entries; l != NULL; l = l->next)
+        {
+            entry = l->data;
+
+            if (strcmp (normalized, entry->name_normalized) == 0)
+            {
+                found = entry;
+                break;
+            }
+        }
+        if(normalized != NULL)
+            g_free (normalized);
+    }
+
+    return found;
+}
+
+static GMountSpec *
+get_mount_spec_for_share (const char *server, const char *share)
+{
+  GMountSpec *mount_spec;
+  char *normalized;
+
+  mount_spec = g_mount_spec_new ("nds");
+  g_mount_spec_set (mount_spec, "host", server);
+  g_mount_spec_set (mount_spec, "share", share);
+
+  return mount_spec;
+}
+
+
+
+static void
+do_mount (GVfsBackend *backend,
+	  GVfsJobMount *job,
+	  GMountSpec *mount_spec,
+	  GMountSource *mount_source,
+	  gboolean is_automount)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+  char *display_name;
+  char *icon;
+  GMountSpec *browse_mount_spec;
+
+
+  icon = NULL;
+  if (op_backend->server == NULL)
+    {
+      display_name = g_strdup (_("NVVFS Top Directory"));
+      browse_mount_spec = g_mount_spec_new ("nds");
+      icon = "network-workgroup";
+    }
+  else
+    {
+      display_name = g_strdup_printf (_("NVVFS Objects"));
+      browse_mount_spec = g_mount_spec_new ("nds");
+      //g_mount_spec_set (browse_mount_spec, "host", op_backend->mounted_server);
+      g_mount_spec_set (browse_mount_spec, "host", op_backend->server);
+      icon = "network-server";
+    }
+
+  g_vfs_backend_set_display_name (backend, display_name);
+  g_free (display_name);
+  if (icon)
+    g_vfs_backend_set_icon_name (backend, icon);
+  g_vfs_backend_set_user_visible (backend, FALSE);
+  g_vfs_backend_set_mount_spec (backend, browse_mount_spec);
+  g_mount_spec_unref (browse_mount_spec);
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+}
+
+static gboolean
+try_mount (GVfsBackend *backend,
+	   GVfsJobMount *job,
+	   GMountSpec *mount_spec,
+	   GMountSource *mount_source,
+	   gboolean is_automount)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+  const char *server;
+
+  server = g_mount_spec_get (mount_spec, "host");
+  if (server)
+  {
+    op_backend->server = g_strdup (server);
+    op_backend->mounted_server = g_strdup (server);
+  }
+  else
+  {
+    op_backend->server = NULL;
+    op_backend->mounted_server = NULL;
+  }
+
+  return FALSE;
+}
+
+static void
+run_mount_mountable (GVfsBackendNds *backend,
+		     GVfsJobMountMountable *job,
+		     const char *filename,
+		     GMountSource *mount_source)
+{
+  GMountSpec *mount_spec;
+
+  g_mutex_lock (&backend->entries_lock);
+
+  backend->server = g_strdup(filename);
+
+  mount_spec = get_mount_spec_for_share (backend->server, filename);
+  g_vfs_job_mount_mountable_set_target (job, mount_spec, "/", TRUE);
+  g_mount_spec_unref (mount_spec);
+  g_mutex_unlock (&backend->entries_lock);
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+}
+
+
+static gboolean
+do_mount_mountable (GVfsBackend *backend,
+                    GVfsJobMountMountable *job,
+                    const char *filename,
+                    GMountSource *mount_source)
+{
+    GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+
+    update_cache (op_backend,filename);
+
+    run_mount_mountable (op_backend,
+            job,
+            filename,
+            mount_source);
+    return TRUE;
+}
+
+static gboolean
+try_mount_mountable (GVfsBackend *backend,
+		     GVfsJobMountMountable *job,
+		     const char *filename,
+		     GMountSource *mount_source)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+
+
+ if (is_root (filename))
+ {
+   g_vfs_job_failed (G_VFS_JOB (job),
+                     G_IO_ERROR, G_IO_ERROR_NOT_MOUNTABLE_FILE,
+                     _("The file is not a mountable"));
+   return TRUE;
+ }
+
+update_cache (op_backend,filename);
+
+  run_mount_mountable (op_backend,
+		       job,
+		       filename,
+		       mount_source);
+  return TRUE;
+}
+
+
+
+#define SUB_DELIM_CHARS  "!$&'()*+,;="
+
+static gboolean
+is_valid (char c, const char *reserved_chars_allowed)
+{
+  if (g_ascii_isalnum (c) ||
+      c == '-' ||
+      c == '.' ||
+      c == '_' ||
+      c == '~')
+    return TRUE;
+
+  if (reserved_chars_allowed &&
+      strchr (reserved_chars_allowed, c) != NULL)
+    return TRUE;
+
+  return FALSE;
+}
+
+static void
+g_string_append_encoded (GString *string,
+			 const char *encoded,
+			 const char *encoded_end,
+			 const char *reserved_chars_allowed)
+{
+  char c;
+  static const gchar hex[16] = "0123456789ABCDEF";
+
+  if (encoded_end == NULL)
+    encoded_end = encoded + strlen (encoded);
+
+  while (encoded < encoded_end)
+    {
+      c = *encoded++;
+
+      if (is_valid (c, reserved_chars_allowed))
+	g_string_append_c (string, c);
+      else
+	{
+	  g_string_append_c (string, '%');
+	  g_string_append_c (string, hex[((guchar)c) >> 4]);
+	  g_string_append_c (string, hex[((guchar)c) & 0xf]);
+	}
+    }
+}
+
+static void
+get_file_info_from_entry (GVfsBackendNds *backend, BrowseEntry *entry, GFileInfo *info)
+{
+  GString *uri;
+  GIcon *icon;
+
+  g_file_info_set_name (info, entry->name);
+  g_file_info_set_display_name (info, entry->name_utf8);
+  g_file_info_set_edit_name (info, entry->name_utf8);
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_STANDARD_IS_VIRTUAL, TRUE);
+
+  if(backend->server == NULL) //NDS-Tree icon
+      icon = g_themed_icon_new ("ncl-ndstree");
+  else
+      icon = g_themed_icon_new ("ncl-nwcontext");
+
+  if (icon)
+  {
+      g_file_info_set_icon (info, icon);
+      g_object_unref (icon);
+  }
+
+  g_file_info_set_file_type (info, G_FILE_TYPE_SHORTCUT);
+
+  uri = g_string_new ("nds://");
+  g_string_append_encoded (uri, entry->name, NULL, NULL);
+  g_string_append_c (uri, '/');
+
+  g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI, uri->str);
+
+  g_string_free (uri, TRUE);
+
+}
+
+static void
+run_query_info (GVfsBackendNds *backend,
+		GVfsJobQueryInfo *job,
+		const char *filename,
+		GFileInfo *info,
+		GFileAttributeMatcher *matcher)
+{
+  BrowseEntry *entry;
+
+  g_mutex_lock (&backend->entries_lock);
+
+  entry = find_entry_unlocked (backend, filename);
+
+  if (entry)
+    get_file_info_from_entry (backend, entry, info);
+
+  g_mutex_unlock (&backend->entries_lock);
+
+  if (entry)
+    g_vfs_job_succeeded (G_VFS_JOB (job));
+  else
+    g_vfs_job_failed (G_VFS_JOB (job),
+		      G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
+		      _("File doesn't exist"));
+}
+
+static void
+do_query_info (GVfsBackend *backend,
+	       GVfsJobQueryInfo *job,
+	       const char *filename,
+	       GFileQueryInfoFlags flags,
+	       GFileInfo *info,
+	       GFileAttributeMatcher *matcher)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+
+  run_query_info (op_backend, job, filename, info, matcher);
+}
+
+static gboolean
+try_query_info (GVfsBackend *backend,
+		GVfsJobQueryInfo *job,
+		const char *filename,
+		GFileQueryInfoFlags flags,
+		GFileInfo *info,
+		GFileAttributeMatcher *matcher)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+  const char *icon_name = NULL;
+  GIcon *icon;
+
+  if (filename && is_root (filename))
+  {
+    g_file_info_set_file_type (info, G_FILE_TYPE_DIRECTORY);
+    g_file_info_set_name (info, "/");
+    g_file_info_set_display_name (info, g_vfs_backend_get_display_name (backend));
+    /* FIXME: This API does not seem to be in gvfs-1.2.0. Find a suitable replacement? */
+    /* icon_name = g_vfs_backend_get_icon_name (backend); */
+    if (icon_name)
+    {
+      icon = g_themed_icon_new (icon_name);
+      g_file_info_set_icon (info, icon);
+      g_object_unref (icon);
+    }
+    g_vfs_job_succeeded (G_VFS_JOB (job));
+
+    return TRUE;
+  }
+
+  return FALSE;
+
+ run_query_info (op_backend, job, filename, info, matcher);
+ return TRUE;
+}
+
+static void
+run_enumerate (GVfsBackendNds *backend,
+	       GVfsJobEnumerate *job,
+	       const char *filename,
+	       GFileAttributeMatcher *matcher)
+{
+  GList *files, *l;
+  GFileInfo *info;
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+  files = NULL;
+  g_mutex_lock (&backend->entries_lock);
+  for (l = backend->entries; l != NULL; l = l->next)
+    {
+      BrowseEntry *entry = l->data;
+
+      info = g_file_info_new ();
+      get_file_info_from_entry (backend, entry, info);
+
+      files = g_list_prepend (files, info);
+    }
+  g_mutex_unlock (&backend->entries_lock);
+
+  files = g_list_reverse (files);
+
+  g_vfs_job_enumerate_add_infos (job, files);
+  g_list_foreach (files, (GFunc)g_object_unref, NULL);
+  g_list_free (files);
+
+  g_vfs_job_enumerate_done (job);
+}
+
+static void
+do_enumerate (GVfsBackend *backend,
+	      GVfsJobEnumerate *job,
+	      const char *filename,
+	      GFileAttributeMatcher *matcher,
+	      GFileQueryInfoFlags flags)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+
+  update_cache (op_backend,filename);
+
+  run_enumerate (op_backend, job, filename, matcher);
+}
+
+static gboolean
+try_enumerate (GVfsBackend *backend,
+	       GVfsJobEnumerate *job,
+	       const char *filename,
+	       GFileAttributeMatcher *matcher,
+	       GFileQueryInfoFlags flags)
+{
+  GVfsBackendNds *op_backend = G_VFS_BACKEND_NDS (backend);
+
+  update_cache (op_backend,filename);
+
+  run_enumerate (op_backend, job, filename, matcher);
+  return TRUE;
+}
+
+
+static void
+g_vfs_backend_nds_class_init (GVfsBackendNdsClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GVfsBackendClass *backend_class = G_VFS_BACKEND_CLASS (klass);
+
+  gobject_class->finalize = g_vfs_backend_nds_finalize;
+
+  backend_class->mount = do_mount;
+  backend_class->try_mount = try_mount;
+  backend_class->query_info = do_query_info;
+  backend_class->try_query_info = try_query_info;
+  backend_class->enumerate = do_enumerate;
+  backend_class->try_enumerate = try_enumerate;
+  backend_class->try_mount_mountable = try_mount_mountable;
+  backend_class->mount_mountable = do_mount_mountable;
+}
+
+void
+g_vfs_nds_daemon_init (void)
+{
+  g_set_application_name (_("Displaying Embedded Objects"));
+}
diff --git a/daemon/gvfsbackendnds.h b/daemon/gvfsbackendnds.h
new file mode 100644
index 0000000..0b48ad6
--- /dev/null
+++ b/daemon/gvfsbackendnds.h
@@ -0,0 +1,53 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Alexander Larsson <alexl@redhat.com>
+ */
+
+#ifndef __G_VFS_BACKEND_NDS_H__
+#define __G_VFS_BACKEND_NDS_H__
+
+#include <gvfsbackend.h>
+#include <gmountspec.h>
+
+G_BEGIN_DECLS
+
+#define G_VFS_TYPE_BACKEND_NDS         (g_vfs_backend_nds_get_type ())
+#define G_VFS_BACKEND_NDS(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_VFS_TYPE_BACKEND_NDS, GVfsBackendNds))
+#define G_VFS_BACKEND_NDS_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_VFS_TYPE_BACKEND_NDS, GVfsBackendNdsClass))
+#define G_VFS_IS_BACKEND_NDS(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_VFS_TYPE_BACKEND_NDS))
+#define G_VFS_IS_BACKEND_NDS_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_VFS_TYPE_BACKEND_NDS))
+#define G_VFS_BACKEND_NDS_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_VFS_TYPE_BACKEND_NDS, GVfsBackendNdsClass))
+
+typedef struct _GVfsBackendNds        GVfsBackendNds;
+typedef struct _GVfsBackendNdsClass   GVfsBackendNdsClass;
+
+struct _GVfsBackendNdsClass
+{
+  GVfsBackendClass parent_class;
+};
+
+GType g_vfs_backend_nds_get_type (void) G_GNUC_CONST;
+
+#define BACKEND_SETUP_FUNC g_vfs_nds_daemon_init
+void g_vfs_nds_daemon_init (void);
+
+G_END_DECLS
+
+#endif /* __G_VFS_BACKEND_NDS_H__ */
diff --git a/daemon/meson.build b/daemon/meson.build
index dffeef3..dabdcb2 100644
--- a/daemon/meson.build
+++ b/daemon/meson.build
@@ -530,6 +530,22 @@ if enable_afp
   mounts += ['afp-browse']
 endif
 
+if enable_nds
+  sources = daemon_main_sources + files('gvfsbackendnds.c')
+
+  deps = [libdl_dep]
+
+  cflags = [
+      '-DBACKEND_HEADER=gvfsbackendnds.h',
+      '-DDEFAULT_BACKEND_TYPE=nds',
+      '-DBACKEND_TYPES="nds", G_VFS_TYPE_BACKEND_NDS,',
+      '-DMAX_JOB_THREADS=1',
+  ]
+
+  programs += [['gvfsd-nds', {'sources': sources, 'dependencies': deps, 'c_args': cflags}]]
+  mounts += ['nds']
+endif
+
 if enable_nfs
   cflags = [
     '-DBACKEND_HEADER=gvfsbackendnfs.h',
diff --git a/daemon/nds.mount.in b/daemon/nds.mount.in
new file mode 100644
index 0000000..1068344
--- /dev/null
+++ b/daemon/nds.mount.in
@@ -0,0 +1,5 @@
+[Mount]
+Type=nds
+Exec=@libexecdir@/gvfsd-nds
+AutoMount=false
+Scheme=nds
diff --git a/meson.build b/meson.build
index d844335..34d754f 100644
--- a/meson.build
+++ b/meson.build
@@ -448,6 +448,12 @@ config_h.set('HAVE_LIBMTP', enable_mtp)
 # *** AFP backend ***
 enable_afp = get_option('afp')
 
+# *** NDS backend ***
+enable_nds = get_option('nds')
+if enable_nds
+  libdl_dep = cc.find_library('dl')
+endif
+
 # *** NFS backend ***
 enable_nfs = get_option('nfs')
 if enable_nfs
@@ -507,6 +513,7 @@ summary({
   'gphoto2': enable_gphoto2,
   'http': enable_http,
   'mtp': enable_mtp,
+  'nds': enable_nds,
   'nfs': enable_nfs,
   'sftp': enable_sftp,
   'smb': enable_samba,
diff --git a/meson_options.txt b/meson_options.txt
index 32f10d4..dced004 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -12,6 +12,7 @@ option('google', type: 'boolean', value: true, description: 'build with google b
 option('gphoto2', type: 'boolean', value: true, description: 'build with gphoto2 backend and volume monitor')
 option('http', type: 'boolean', value: true, description: 'build with http/dav backends')
 option('mtp', type: 'boolean', value: true, description: 'build with mtp backend and volume monitor')
+option('nds', type: 'boolean', value: true, description: 'build with nds backend')
 option('nfs', type: 'boolean', value: true, description: 'build with nfs backend')
 option('sftp', type: 'boolean', value: true, description: 'build with sftp backend')
 option('smb', type: 'boolean', value: true, description: 'build with smb backends')

Places

File gvfs-nds.patch of Package gvfs (Revision f204f5a2f8b295b1c7768c95289994bb)

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