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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2007-2010 David Zeuthen <zeuthen@gmail.com>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include <glib/gi18n.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include <unistd.h>
#include <string.h>
#include <udisks/udisks.h>
static UDisksObject *
lookup_object_for_block (UDisksClient *client,
dev_t block_device)
{
UDisksObject *ret;
GList *objects;
GList *l;
ret = NULL;
objects = g_dbus_object_manager_get_objects (udisks_client_get_object_manager (client));
for (l = objects; l != NULL; l = l->next)
{
UDisksObject *object = UDISKS_OBJECT (l->data);
UDisksBlock *block;
block = udisks_object_peek_block (object);
if (block != NULL)
{
if (block_device == udisks_block_get_device_number (block))
{
ret = g_object_ref (object);
goto out;
}
}
}
out:
g_list_free_full (objects, g_object_unref);
return ret;
}
int
main (int argc, char *argv[])
{
gint ret;
dev_t block_device;
UDisksClient *client;
GError *error;
struct stat statbuf;
UDisksObject *object;
UDisksFilesystem *filesystem;
GVariantBuilder builder;
ret = 1;
client = NULL;
object = NULL;
if (argc < 2 || strlen (argv[1]) == 0)
{
g_printerr ("%s: this program is only supposed to be invoked by umount(8).\n", argv[0]);
goto out;
}
if (stat (argv[1], &statbuf) < 0)
{
g_printerr ("%s: error calling stat on %s: %m\n", argv[0], argv[1]);
goto out;
}
if (S_ISBLK (statbuf.st_mode))
block_device = statbuf.st_rdev;
else
block_device = statbuf.st_dev;
error = NULL;
client = udisks_client_new_sync (NULL, /* GCancellable */
&error);
if (client == NULL)
{
g_printerr ("Error connecting to the udisks daemon: %s\n", error->message);
g_clear_error (&error);
goto out;
}
object = lookup_object_for_block (client, block_device);
if (object == NULL)
{
g_printerr ("Error finding object for block device %u:%u\n", major (block_device), minor (block_device));
goto out;
}
filesystem = udisks_object_peek_filesystem (object);
if (filesystem == NULL)
{
g_printerr ("Block device %u:%u is not a mountable filesystem.\n", major (block_device), minor (block_device));
goto out;
}
error = NULL;
g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
if (!udisks_filesystem_call_unmount_sync (filesystem,
g_variant_builder_end (&builder), /* options */
NULL, /* GCancellable */
&error))
{
g_printerr ("Error unmounting block device %u:%u: %s\n", major (block_device), minor (block_device), error->message);
g_clear_error (&error);
goto out;
}
ret = 0;
out:
if (object != NULL)
g_object_unref (object);
if (client != NULL)
g_object_unref (client);
return ret;
}
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