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|
/* $Id: tvm-block-device.c 5216 2008-08-12 08:54:28Z kelnos $ */
/*-
* Copyright (c) 2007-2008 Benedikt Meurer <benny@xfce.org>.
*
* 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., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <dbus/dbus-glib-lowlevel.h>
#include <thunar-volman/tvm-block-device.h>
#include <thunar-volman/tvm-crypto-volume.h>
#include <thunar-volman/tvm-prompt.h>
#include <thunar-volman/tvm-run.h>
static gboolean tvm_file_test (const gchar *directory,
const gchar *filename,
GFileTest test);
static gboolean tvm_block_device_autoipod (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error);
static gboolean tvm_block_device_autophoto (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error);
static gboolean tvm_block_device_autorun (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error);
static gboolean tvm_block_device_mount (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
GError **error);
static gboolean tvm_block_device_mounted (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error);
static gboolean
tvm_file_test (const gchar *directory,
const gchar *filename,
GFileTest test)
{
const gchar *name;
gboolean result = FALSE;
gchar *path;
GDir *dp;
/* try to open the specified directory */
dp = g_dir_open (directory, 0, NULL);
if (G_LIKELY (dp != NULL))
{
while (!result)
{
/* read the next entry */
name = g_dir_read_name (dp);
if (G_UNLIKELY (name == NULL))
break;
/* check if we have a potential match */
if (g_ascii_strcasecmp (name, filename) == 0)
{
/* check if test condition met */
path = g_build_filename (directory, name, NULL);
result = g_file_test (path, test);
g_free (path);
}
}
/* cleanup */
g_dir_close (dp);
}
return result;
}
static gboolean
tvm_block_device_autoipod (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error)
{
gboolean result = FALSE;
gboolean autoipod;
gboolean is_audio_player = FALSE;
gchar *autoipod_command;
gchar *autophoto_command;
gchar *storage_udi;
gchar *path_dcim = NULL;
gchar *product;
gint response = TVM_RESPONSE_NONE;
/* check if music players should be handled automatically */
g_object_get (G_OBJECT (preferences), "autoipod", &autoipod, "autoipod-command", &autoipod_command, NULL);
if (G_LIKELY (autoipod && autoipod_command != NULL && *autoipod_command != '\0'))
{
/* determine the storage device UDI */
storage_udi = libhal_device_get_property_string (context, udi, "block.storage_device", NULL);
if (G_LIKELY (storage_udi != NULL))
{
/* check if we have a portable audio player here */
if (libhal_device_query_capability (context, storage_udi, "portable_audio_player", NULL))
{
is_audio_player = TRUE;
/* check if we have an iPod here */
product = libhal_device_get_property_string (context, storage_udi, "info.product", NULL);
if (product != NULL && strcmp (product, "iPod") != 0)
{
/* an iPod may have photos */
path_dcim = g_build_filename (mount_point, "dcim", NULL);
if (!g_file_test (path_dcim, G_FILE_TEST_IS_DIR))
{
/* no photos */
g_free (path_dcim);
path_dcim = NULL;
}
else
{
/* add the "content.photos" capability to this device */
libhal_device_add_capability (context, udi, "content.photos", NULL);
}
}
libhal_free_string (product);
}
/* check if autophoto command is specified, else we cannot handle the photos on the iPod anyway */
g_object_get (G_OBJECT (preferences), "autophoto-command", &autophoto_command, NULL);
if (G_UNLIKELY (autophoto_command == NULL || *autophoto_command == '\0'))
{
/* cannot handle photos */
g_free (path_dcim);
path_dcim = NULL;
}
/* iPods can carry both music and photos... */
if (G_LIKELY (path_dcim != NULL))
{
/* ...so we need to prompt what to do */
response = tvm_prompt (context, udi, "gnome-dev-ipod", _("Photos and Music"),
_("Photos were found on your portable music player."),
_("Would you like to import the photos or manage the music?"),
_("Ig_nore"), GTK_RESPONSE_CANCEL,
_("Import _Photos"), TVM_RESPONSE_PHOTOS,
_("Manage _Music"), TVM_RESPONSE_MUSIC,
NULL);
}
else
{
/* no photos, so we can manage only music */
if(is_audio_player)
response = TVM_RESPONSE_MUSIC;
}
/* check what to do */
if (response == TVM_RESPONSE_MUSIC)
{
/* run the preferred application to manage music players */
result = tvm_run_command (context, udi, autoipod_command, device_file, mount_point, error);
}
else if (response == TVM_RESPONSE_PHOTOS)
{
/* run the preferred application to manage photos */
result = tvm_run_command (context, udi, autophoto_command, device_file, mount_point, error);
}
/* cleanup */
libhal_free_string (storage_udi);
g_free (autophoto_command);
g_free (path_dcim);
}
}
/* cleanup */
g_free (autoipod_command);
return result;
}
static gboolean
tvm_block_device_autophoto (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error)
{
gboolean result = FALSE;
gboolean autophoto;
gchar *autophoto_command;
gint response;
/* check autophoto support is enabled */
g_object_get (G_OBJECT (preferences), "autophoto", &autophoto, "autophoto-command", &autophoto_command, NULL);
if (G_LIKELY (autophoto && autophoto_command != NULL && *autophoto_command != '\0'))
{
/* check if we have photos on the volume */
if (tvm_file_test (mount_point, "dcim", G_FILE_TEST_IS_DIR))
{
/* add the "content.photos" capability to this device */
libhal_device_add_capability (context, udi, "content.photos", NULL);
/* ask the user whether to import photos */
response = tvm_prompt (context, udi, "camera-photo", _("Photo Import"),
_("A photo card has been detected."),
_("There are photos on the card. Would you like to add these photos to your album?"),
_("Ig_nore"), GTK_RESPONSE_CANCEL,
_("Import _Photos"), TVM_RESPONSE_PHOTOS,
NULL);
if (G_LIKELY (response == TVM_RESPONSE_PHOTOS))
{
/* run the preferred application to manage photos */
result = tvm_run_command (context, udi, autophoto_command, device_file, mount_point, error);
}
else
{
/* pretend that we handled the device */
result = TRUE;
}
}
}
g_free (autophoto_command);
return result;
}
static gboolean
tvm_block_device_autorun (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error)
{
struct stat statb_mount_point;
struct stat statb_autoopen;
gboolean result;
gboolean autoopen;
gboolean autoplay;
gboolean autorun;
gchar *autoplay_command;
gchar *path_autoopen;
gchar line[1024];
gchar *message;
gchar *wine;
gchar **argv;
FILE *fp;
gint response;
gint n;
/* check if autoplay video CDs/DVDs is enabled */
g_object_get (G_OBJECT (preferences), "autoplay-video-cd", &autoplay, "autoplay-video-cd-command", &autoplay_command, NULL);
if (G_LIKELY (autoplay))
{
/* check if we have a video CD or video DVD here */
if (tvm_file_test (mount_point, "vcd", G_FILE_TEST_IS_DIR) || tvm_file_test (mount_point, "video_ts", G_FILE_TEST_IS_DIR))
{
/* try to spawn the preferred video CD/DVD-Player */
result = tvm_run_command (context, udi, autoplay_command, device_file, mount_point, error);
g_free (autoplay_command);
return result;
}
}
g_free (autoplay_command);
/* check if autorun support is enabled */
g_object_get (G_OBJECT (preferences), "autorun", &autorun, NULL);
if (G_LIKELY (autorun))
{
/* "Autostart Files" (Desktop Application Autostart Specification) */
static const gchar *AUTORUN[] = { ".autorun", "autorun", "autorun.sh" };
for (n = 0; n < G_N_ELEMENTS (AUTORUN); ++n)
{
/* check if one of the autorun files is present and executable */
if (tvm_file_test (mount_point, AUTORUN[n], G_FILE_TEST_IS_EXECUTABLE)
&& tvm_file_test (mount_point, AUTORUN[n], G_FILE_TEST_IS_REGULAR))
{
/* prompt the user whether to execute this file */
message = g_strdup_printf (_("Would you like to allow \"%s\" to run?"), AUTORUN[n]);
response = tvm_prompt (context, udi, "gnome-fs-executable", _("Auto-Run Confirmation"),
_("Auto-Run capability detected"), message,
_("Ig_nore"), GTK_RESPONSE_CANCEL,
_("_Allow Auto-Run"), TVM_RESPONSE_AUTORUN,
NULL);
g_free (message);
/* check if we should autorun */
if (response == TVM_RESPONSE_AUTORUN)
{
/* prepare argv to launch autorun file */
argv = g_new (gchar *, 2);
argv[0] = g_build_filename (mount_point, AUTORUN[n], NULL);
argv[1] = NULL;
/* try to launch the autorun file */
result = g_spawn_async (mount_point, argv, NULL, 0, NULL, NULL, NULL, error);
/* cleanup */
g_strfreev (argv);
/* outa here */
return result;
}
}
}
/* check if wine is present */
wine = g_find_program_in_path ("wine");
if (G_UNLIKELY (wine != NULL))
{
/* check if we have an autorun.exe file */
if (tvm_file_test (mount_point, "autorun.exe", G_FILE_TEST_IS_REGULAR))
{
/* prompt the user whether to execute this file */
message = g_strdup_printf (_("Would you like to allow \"%s\" to run?"), "autorun.exe");
response = tvm_prompt (context, udi, "gnome-fs-executable", _("Auto-Run Confirmation"),
_("Auto-Run capability detected"), message,
_("Ig_nore"), GTK_RESPONSE_CANCEL,
_("_Allow Auto-Run"), TVM_RESPONSE_AUTORUN,
NULL);
g_free (message);
/* check if we should autorun */
if (response == TVM_RESPONSE_AUTORUN)
{
/* prepare argv to launch autorun.exe file */
argv = g_new (gchar *, 3);
argv[0] = wine;
argv[1] = g_strdup ("autorun.exe");
argv[2] = NULL;
/* try to launch the autorun.exe file via wine */
result = g_spawn_async (mount_point, argv, NULL, 0, NULL, NULL, NULL, error);
/* cleanup */
g_strfreev (argv);
/* outa here */
return result;
}
}
}
g_free (wine);
}
/* check if autoopen support is enabled */
g_object_get (G_OBJECT (preferences), "autoopen", &autoopen, NULL);
if (G_LIKELY (autoopen))
{
/* "Autoopen Files" (Desktop Application Autostart Specification) */
static const gchar *AUTOOPEN[] = { ".autoopen", "autoopen" };
for (n = 0; n < G_N_ELEMENTS (AUTOOPEN); ++n)
{
/* check if one of the autoopen files is present */
path_autoopen = g_build_filename (mount_point, AUTOOPEN[n], NULL);
fp = fopen (path_autoopen, "r");
g_free (path_autoopen);
/* check if the file could be opened */
if (G_UNLIKELY (fp != NULL))
{
/* read the first line of the file (MUST NOT be an absolute path) */
if (fgets (line, sizeof (line), fp) != NULL && !g_path_is_absolute (line))
{
/* determine the absolute path of the file */
path_autoopen = g_build_filename (mount_point, line, NULL);
/* the file must exist on exactly this device */
if (stat (mount_point, &statb_mount_point) == 0 && stat (path_autoopen, &statb_autoopen) == 0
&& S_ISREG (statb_autoopen.st_mode) && (statb_autoopen.st_mode & 0111) == 0
&& (statb_mount_point.st_dev == statb_autoopen.st_dev))
{
/* prompt the user whether to autoopen this file */
message = g_strdup_printf (_("Would you like to open \"%s\"?"), AUTOOPEN[n]);
response = tvm_prompt (context, udi, "gnome-fs-executable", _("Auto-Open Confirmation"),
_("Auto-Open capability detected"), message,
_("Ig_nore"), GTK_RESPONSE_CANCEL,
_("_Open"), TVM_RESPONSE_AUTOOPEN,
NULL);
g_free (message);
/* check if we should autoopen */
if (response == TVM_RESPONSE_AUTOOPEN)
{
/* prepare the command to autoopen */
argv = g_new (gchar *, 3);
argv[0] = g_strdup ("Thunar");
argv[1] = path_autoopen;
argv[2] = NULL;
/* let Thunar open the file */
result = g_spawn_async (mount_point, argv, NULL, 0, NULL, NULL, NULL, error);
/* cleanup */
g_free (path_autoopen);
fclose (fp);
return result;
}
}
/* cleanup */
g_free (path_autoopen);
}
/* close the file handle */
fclose (fp);
}
}
}
/* not handled */
return FALSE;
}
static gboolean
tvm_block_device_mount (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
GError **error)
{
DBusError derror;
gboolean result = FALSE;
GSList *mount_points;
gchar *device_file;
gchar *argv[4];
gint status;
/* check if we should ignore the volume, if so, pretend that we succeed */
if (libhal_device_get_property_bool (context, udi, "volume.ignore", NULL))
return TRUE;
/* generate the command to mount the device */
argv[0] = (gchar *) "exo-mount";
argv[1] = (gchar *) "--hal-udi";
argv[2] = (gchar *) udi;
argv[3] = NULL;
/* let exo-mount mount the device */
if (!g_spawn_sync (NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL, &status, error))
{
/* failed to spawn the exo-mount command */
return FALSE;
}
else if (!WIFEXITED (status) || WEXITSTATUS (status) != 0)
{
/* exo-mount failed, but already displayed an error */
return TRUE;
}
/* initalize D-Bus error */
dbus_error_init (&derror);
/* successfully mounted the device, determine the device file */
device_file = libhal_device_get_property_string (context, udi, "block.device", &derror);
if (G_UNLIKELY (device_file == NULL))
{
/* propagate the error */
dbus_set_g_error (error, &derror);
return FALSE;
}
/* determine the active mount point(s) for the device from the kernel */
mount_points = exo_mount_point_list_matched (EXO_MOUNT_POINT_MATCH_ACTIVE | EXO_MOUNT_POINT_MATCH_DEVICE, device_file, NULL, NULL, error);
if (G_LIKELY (mount_points != NULL))
{
/* try to handled the mounted volume */
result = tvm_block_device_mounted (preferences, context, udi, device_file, ((ExoMountPoint *) mount_points->data)->folder, error);
/* release the mount points */
g_slist_foreach (mount_points, (GFunc) exo_mount_point_free, NULL);
g_slist_free (mount_points);
}
/* release the device file */
libhal_free_string (device_file);
return result;
}
static gboolean
tvm_block_device_mounted (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *device_file,
const gchar *mount_point,
GError **error)
{
gboolean autobrowse;
gboolean result;
GError *err = NULL;
/* check if we have a portable media player here */
result = tvm_block_device_autoipod (preferences, context, udi, device_file, mount_point, &err);
if (G_LIKELY (!result && err == NULL))
{
/* check if we have a digital photo camera here */
result = tvm_block_device_autophoto (preferences, context, udi, device_file, mount_point, &err);
if (G_LIKELY (!result && err == NULL))
{
/* try autorun (video CD/DVD, autoopen, etc.) first */
result = tvm_block_device_autorun (preferences, context, udi, device_file, mount_point, &err);
if (G_LIKELY (!result && err == NULL))
{
/* check if we should autobrowse the mount point folder */
g_object_get (G_OBJECT (preferences), "autobrowse", &autobrowse, NULL);
if (G_LIKELY (autobrowse))
{
/* open the mount point folder in Thunar */
result = tvm_run_command (context, udi, "Thunar %m", device_file, mount_point, &err);
}
}
}
}
/* check if we need to propagate an error */
if (G_UNLIKELY (err != NULL))
{
/* propagate the error */
g_propagate_error (error, err);
result = FALSE;
}
return result;
}
/**
* tvm_block_device_added:
* @preferences : a #TvmPreferences.
* @context : a #LibHalContext.
* @udi : the HAL device UDI of the newly added block device.
* @capability : the capability, which caused this handler to be run.
* @error : return location for errors or %NULL.
*
* See #TvmDeviceCallback for further information.
*
* Return value: %TRUE if handled, %FALSE if not handled or an
* unrecoverable error occurred.
**/
gboolean
tvm_block_device_added (TvmPreferences *preferences,
LibHalContext *context,
const gchar *udi,
const gchar *capability,
GError **error)
{
DBusError derror;
gboolean disc_has_audio;
gboolean disc_has_data;
gboolean automount;
gboolean autoplay;
gboolean is_cdrom;
gboolean has_filesystem;
gboolean has_crypto;
gchar *storage_udi;
gchar *drive_type;
gchar *fsusage;
gint response;
g_return_val_if_fail (exo_hal_udi_validate (udi, -1, NULL), FALSE);
g_return_val_if_fail (TVM_IS_PREFERENCES (preferences), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
g_return_val_if_fail (capability != NULL, FALSE);
g_return_val_if_fail (context != NULL, FALSE);
/* initialize D-Bus error */
dbus_error_init (&derror);
/* verify that we have a mountable volume here */
if (!libhal_device_get_property_bool (context, udi, "block.is_volume", &derror))
{
err0: /* check if we have an error to propagate */
if (dbus_error_is_set (&derror))
{
/* propagate the error */
dbus_set_g_error (error, &derror);
dbus_error_free (&derror);
}
return FALSE;
}
/* determine the HAL UDI of the backing storage device */
storage_udi = libhal_device_get_property_string (context, udi, "block.storage_device", &derror);
if (G_UNLIKELY (storage_udi == NULL))
goto err0;
/* if the partition_table_changed flag is set, we don't want to mount as a partitioning tool might be modifying this device */
if (libhal_device_get_property_bool (context, storage_udi, "storage.partition_table_changed", NULL))
{
err1: libhal_free_string (storage_udi);
goto err0;
}
/* check if this device supports removable media */
if (libhal_device_get_property_bool (context, storage_udi, "storage.removable", NULL))
{
/* check if the device is locked */
if (libhal_device_get_property_bool (context, storage_udi, "info.locked", NULL))
{
/* pretend that we handled the device */
libhal_free_string (storage_udi);
return TRUE;
}
/* determine the drive type */
drive_type = libhal_device_get_property_string (context, storage_udi, "storage.drive_type", &derror);
if (G_UNLIKELY (drive_type == NULL))
goto err1;
/* check if we have a CD-ROM here */
is_cdrom = (strcmp (drive_type, "cdrom") == 0);
/* we don't need the storage UDI any more */
libhal_free_string (storage_udi);
/* free the drive type */
libhal_free_string (drive_type);
/* CD-ROMs deserve special handling */
if (G_LIKELY (is_cdrom))
{
/* check for blank discs */
if (libhal_device_get_property_bool (context, udi, "volume.disc.is_blank", NULL))
{
/* run the preferred CD-Burner application */
return tvm_run_cdburner (preferences, context, udi, error);
}
else
{
/* check if we have DATA/AUDIO tracks */
disc_has_audio = libhal_device_get_property_bool (context, udi, "volume.disc.has_audio", NULL);
disc_has_data = libhal_device_get_property_bool (context, udi, "volume.disc.has_data", NULL);
if (G_UNLIKELY (disc_has_audio && disc_has_data))
{
/* check if we need to prompt the user */
g_object_get (G_OBJECT (preferences), "automount-media", &automount, "autoplay-audio-cd", &autoplay, NULL);
if (G_LIKELY (automount && autoplay))
{
/* ask what do with the mixed audio/data disc */
response = tvm_prompt (context, udi, "gnome-dev-cdrom-audio", _("Audio / Data CD"),
_("The CD in the drive contains both music and files."),
_("Would you like to listen to music or browse the files?"),
_("Ig_nore"), GTK_RESPONSE_CANCEL,
_("_Browse Files"), TVM_RESPONSE_BROWSE,
_("_Play CD"), TVM_RESPONSE_PLAY,
NULL);
switch (response)
{
case TVM_RESPONSE_PLAY:
goto autoplay_disc;
case TVM_RESPONSE_BROWSE:
goto automount_disc;
default:
break;
}
}
else if (automount)
{
/* just automount the media */
goto automount_disc;
}
else if (autoplay)
{
/* just autoplay the disc */
goto autoplay_disc;
}
}
else if (G_LIKELY (disc_has_audio))
{
autoplay_disc: /* run the preferred CD-Player application */
return tvm_run_cdplayer (preferences, context, udi, error);
}
else if (G_LIKELY (disc_has_data))
{
automount_disc: /* check if we should automount removable media */
g_object_get (G_OBJECT (preferences), "automount-media", &automount, NULL);
if (G_LIKELY (automount))
{
/* try to mount the CD-ROM in the disc */
return tvm_block_device_mount (preferences, context, udi, error);
}
}
}
}
}
else
{
/* we don't need the storage UDI any more */
libhal_free_string (storage_udi);
}
/* determine the file system usage of the volume */
fsusage = libhal_device_get_property_string (context, udi, "volume.fsusage", NULL);
has_crypto = (G_UNLIKELY (fsusage != NULL && strcmp (fsusage, "crypto") == 0));
has_filesystem = (G_LIKELY (fsusage != NULL && strcmp (fsusage, "filesystem") == 0));
libhal_free_string (fsusage);
/* check if we have a crypto volume to setup here */
if (G_UNLIKELY (has_crypto))
{
/* try to setup the crypto volume */
return tvm_crypto_volume_setup (preferences, context, udi, error);
}
else if (G_LIKELY (has_filesystem))
{
/* check if we should automount drives, otherwise, we're done here */
g_object_get (G_OBJECT (preferences), "automount-drives", &automount, NULL);
if (G_UNLIKELY (!automount))
return FALSE;
/* try to mount the block device */
return tvm_block_device_mount (preferences, context, udi, error);
}
return FALSE;
}
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