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/* 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 <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <glib/gthread.h>
#include <glib/gi18n.h>
#include <gio/gioerror.h>
#include "gdbusutils.h"
#include "gsysutils.h"
#include "gvfsdaemonutils.h"
#include "gvfsdaemonprotocol.h"
static gint32 extra_fd_slot = -1;
static GStaticMutex extra_lock = G_STATIC_MUTEX_INIT;
typedef struct {
int extra_fd;
int fd_count;
} ConnectionExtra;
static void
free_extra (gpointer p)
{
ConnectionExtra *extra = p;
close (extra->extra_fd);
g_free (extra);
}
void
dbus_connection_add_fd_send_fd (DBusConnection *connection,
int extra_fd)
{
ConnectionExtra *extra;
if (extra_fd_slot == -1 &&
!dbus_connection_allocate_data_slot (&extra_fd_slot))
g_error ("Unable to allocate data slot");
extra = g_new0 (ConnectionExtra, 1);
extra->extra_fd = extra_fd;
if (!dbus_connection_set_data (connection, extra_fd_slot, extra, free_extra))
_g_dbus_oom ();
}
gboolean
dbus_connection_send_fd (DBusConnection *connection,
int fd,
int *fd_id,
GError **error)
{
ConnectionExtra *extra;
g_assert (extra_fd_slot != -1);
extra = dbus_connection_get_data (connection, extra_fd_slot);
g_assert (extra != NULL);
if (extra->extra_fd == -1)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
_("No fd passing socket available"));
return FALSE;
}
g_static_mutex_lock (&extra_lock);
if (_g_socket_send_fd (extra->extra_fd, fd) == -1)
{
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errno),
_("Error sending fd: %s"),
g_strerror (errno));
g_static_mutex_unlock (&extra_lock);
return FALSE;
}
*fd_id = extra->fd_count++;
g_static_mutex_unlock (&extra_lock);
return TRUE;
}
char *
g_error_to_daemon_reply (GError *error, guint32 seq_nr, gsize *len_out)
{
char *buffer;
const char *domain;
gsize domain_len, message_len;
GVfsDaemonSocketProtocolReply *reply;
gsize len;
domain = g_quark_to_string (error->domain);
domain_len = strlen (domain);
message_len = strlen (error->message);
len = G_VFS_DAEMON_SOCKET_PROTOCOL_REPLY_SIZE +
domain_len + 1 + message_len + 1;
buffer = g_malloc (len);
reply = (GVfsDaemonSocketProtocolReply *)buffer;
reply->type = g_htonl (G_VFS_DAEMON_SOCKET_PROTOCOL_REPLY_ERROR);
reply->seq_nr = g_htonl (seq_nr);
reply->arg1 = g_htonl (error->code);
reply->arg2 = g_htonl (domain_len + 1 + message_len + 1);
memcpy (buffer + G_VFS_DAEMON_SOCKET_PROTOCOL_REPLY_SIZE,
domain, domain_len + 1);
memcpy (buffer + G_VFS_DAEMON_SOCKET_PROTOCOL_REPLY_SIZE + domain_len + 1,
error->message, message_len + 1);
*len_out = len;
return buffer;
}
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