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/*
* ipod.c - Find an iPod mount point using HAL
*
* This program 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) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
* Copyright (C) 2004 Justin Wake <jwake@iinet.net.au>
*
*/
#include "config.h"
#include "evolution-ipod-sync.h"
#include <unistd.h>
#include <string.h>
/**
* Ensure that HAL is running before we try to use it.
* From gnome-volume-manager's src/properties.c
*/
gboolean
check_hal (void)
{
LibHalContext *ctx;
gchar **devices;
gint num;
DBusConnection *conn;
conn = dbus_bus_get (DBUS_BUS_SYSTEM, NULL);
ctx = libhal_ctx_new ();
libhal_ctx_set_dbus_connection (ctx, conn);
if (!libhal_ctx_init(ctx, NULL))
return FALSE;
devices = libhal_get_all_devices (ctx, &num, NULL);
if (!devices)
{
libhal_ctx_shutdown (ctx, NULL);
return FALSE;
}
libhal_free_string_array (devices);
libhal_ctx_shutdown (ctx, NULL);
return TRUE;
}
#define MOUNT "/bin/mount"
#define UMOUNT "/bin/umount"
/**
* Try to mount a given device.
*/
static gboolean
try_mount (gchar *device)
{
gchar *argv[3];
GError *err = NULL;
gint exit_status;
argv[0] = (gchar*)MOUNT;
argv[1] = device;
argv[2] = NULL;
if (!g_spawn_sync (g_get_home_dir (), argv, NULL, 0, NULL, NULL, NULL,
NULL, &exit_status, &err))
{
g_warning ("try_mount failed: %s", err->message);
return FALSE;
}
return (exit_status == 0);
}
/**
* Try to unmount a given device.
*/
gboolean
try_umount (gchar *device)
{
gchar *argv[3];
GError *err = NULL;
gint exit_status;
argv[0] = (gchar*)UMOUNT;
argv[1] = device;
argv[2] = NULL;
sync ();
if (!g_spawn_sync (g_get_home_dir (), argv, NULL, 0, NULL, NULL, NULL,
NULL, &exit_status, &err))
{
g_warning ("try_umount failed: %s", err->message);
return FALSE;
}
return (exit_status == 0);
}
/**
* See if a given mount point contains an iPod.
*
* Do this by checking for the presence of an iTunes
* database at <mount_point>/iPod_Control/iTunes/.
*/
static gboolean
is_ipod (gchar *mount_point)
{
gboolean ret = FALSE;
gchar *itunes_path;
itunes_path = g_build_path (G_DIR_SEPARATOR_S, mount_point,
"iPod_Control", "iTunes",
NULL);
if (!g_file_test (itunes_path, G_FILE_TEST_IS_DIR))
goto out;
ret = TRUE;
out:
g_free (itunes_path);
return ret;
}
/**
* Try to find a mount point for an iPod.
*/
gchar *
find_ipod_mount_point (LibHalContext *ctx)
{
gchar **apple_devices = NULL;
gchar **volumes = NULL;
gchar *udi, *udi2, *device, *fsusage, *mount_point = NULL;
gchar *retval = NULL;
gint apple_count = 0;
gint volume_count = 0;
gint has_fs = 0;
gint i, j;
/* First, we look for things made by Apple. */
apple_devices = libhal_manager_find_device_string_match (ctx,
"info.vendor",
"Apple",
&apple_count,
NULL);
for (i = 0; i < apple_count; i++)
{
udi = apple_devices[i];
volumes = NULL;
volumes = libhal_manager_find_device_string_match (ctx,
"info.parent",
udi,
&volume_count,
NULL);
for (j = 0; j < volume_count; j++)
{
udi2 = volumes[j];
/* Only interested if it has a filesystem. */
has_fs = 0;
if (!libhal_device_property_exists (ctx, udi2,
"volume.is_filesystem", NULL) ||
!libhal_device_get_property_bool (ctx, udi2,
"volume.is_filesystem", NULL))
{
has_fs = 1;
}
fsusage = libhal_device_get_property_string (ctx, udi2,
"volume.fsusage", NULL);
if (fsusage == NULL)
continue;
if (strncmp (fsusage, "filesystem", 10) == 0)
{
has_fs = 1;
}
libhal_free_string (fsusage);
if (has_fs == 0)
continue;
device = libhal_device_get_property_string (ctx, udi2,
"block.device", NULL);
/* Let's see if it's mounted. */
if (!libhal_device_property_exists (ctx, udi2,
"volume.is_mounted", NULL) ||
!libhal_device_get_property_bool (ctx, udi2,
"volume.is_mounted", NULL))
{
/* It isn't, so let's attempt to mount it */
if (device != NULL)
{
try_mount (device);
}
}
if (!libhal_device_property_exists (ctx, udi2,
"volume.mount_point", NULL))
{
libhal_free_string (device);
continue;
}
libhal_free_string (device);
mount_point = libhal_device_get_property_string (ctx, udi2,
"volume.mount_point", NULL);
if (is_ipod (mount_point))
{
goto out;
}
libhal_free_string (mount_point);
mount_point = NULL;
}
}
out:
if (volumes != NULL)
libhal_free_string_array (volumes);
if (apple_devices != NULL)
libhal_free_string_array (apple_devices);
if (mount_point != NULL)
{
retval = g_strdup (mount_point);
libhal_free_string (mount_point);
}
return (retval);
}
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