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Sweden-Number/dlls/mountmgr.sys/dbus.c

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/*
* DBus devices support
*
* Copyright 2006, 2011 Alexandre Julliard
*
* 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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#ifdef SONAME_LIBDBUS_1
# include <dbus/dbus.h>
#endif
#ifdef SONAME_LIBHAL
# include <hal/libhal.h>
#endif
#include "mountmgr.h"
#include "winnls.h"
#include "excpt.h"
#define USE_WS_PREFIX
#include "winsock2.h"
#include "ws2ipdef.h"
#include "nldef.h"
#include "netioapi.h"
#include "inaddr.h"
#include "ip2string.h"
#include "dhcpcsdk.h"
#include "wine/library.h"
#include "wine/exception.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mountmgr);
#ifdef SONAME_LIBDBUS_1
#define DBUS_FUNCS \
DO_FUNC(dbus_bus_add_match); \
DO_FUNC(dbus_bus_get); \
DO_FUNC(dbus_bus_get_private); \
DO_FUNC(dbus_bus_remove_match); \
DO_FUNC(dbus_connection_add_filter); \
DO_FUNC(dbus_connection_read_write_dispatch); \
DO_FUNC(dbus_connection_remove_filter); \
DO_FUNC(dbus_connection_send_with_reply_and_block); \
DO_FUNC(dbus_error_free); \
DO_FUNC(dbus_error_init); \
DO_FUNC(dbus_error_is_set); \
DO_FUNC(dbus_free_string_array); \
DO_FUNC(dbus_message_get_args); \
DO_FUNC(dbus_message_get_interface); \
DO_FUNC(dbus_message_get_member); \
DO_FUNC(dbus_message_get_path); \
DO_FUNC(dbus_message_get_type); \
DO_FUNC(dbus_message_is_signal); \
DO_FUNC(dbus_message_iter_append_basic); \
DO_FUNC(dbus_message_iter_get_arg_type); \
DO_FUNC(dbus_message_iter_get_basic); \
DO_FUNC(dbus_message_iter_get_fixed_array); \
DO_FUNC(dbus_message_iter_init); \
DO_FUNC(dbus_message_iter_init_append); \
DO_FUNC(dbus_message_iter_next); \
DO_FUNC(dbus_message_iter_recurse); \
DO_FUNC(dbus_message_new_method_call); \
DO_FUNC(dbus_message_unref)
#define DO_FUNC(f) static typeof(f) * p_##f
DBUS_FUNCS;
#undef DO_FUNC
static int udisks_timeout = -1;
static DBusConnection *connection;
#ifdef SONAME_LIBHAL
#define HAL_FUNCS \
DO_FUNC(libhal_ctx_free); \
DO_FUNC(libhal_ctx_init); \
DO_FUNC(libhal_ctx_new); \
DO_FUNC(libhal_ctx_set_dbus_connection); \
DO_FUNC(libhal_ctx_set_device_added); \
DO_FUNC(libhal_ctx_set_device_property_modified); \
DO_FUNC(libhal_ctx_set_device_removed); \
DO_FUNC(libhal_ctx_shutdown); \
DO_FUNC(libhal_device_get_property_bool); \
DO_FUNC(libhal_device_get_property_string); \
DO_FUNC(libhal_device_add_property_watch); \
DO_FUNC(libhal_device_remove_property_watch); \
DO_FUNC(libhal_free_string); \
DO_FUNC(libhal_free_string_array); \
DO_FUNC(libhal_get_all_devices)
#define DO_FUNC(f) static typeof(f) * p_##f
HAL_FUNCS;
#undef DO_FUNC
static BOOL load_hal_functions(void)
{
void *hal_handle;
char error[128];
/* Load libhal with RTLD_GLOBAL so that the dbus symbols are available.
* We can't load libdbus directly since libhal may have been built against a
* different version but with the same soname. Binary compatibility is for wimps. */
if (!(hal_handle = wine_dlopen(SONAME_LIBHAL, RTLD_NOW|RTLD_GLOBAL, error, sizeof(error))))
goto failed;
#define DO_FUNC(f) if (!(p_##f = wine_dlsym( RTLD_DEFAULT, #f, error, sizeof(error) ))) goto failed
DBUS_FUNCS;
#undef DO_FUNC
#define DO_FUNC(f) if (!(p_##f = wine_dlsym( hal_handle, #f, error, sizeof(error) ))) goto failed
HAL_FUNCS;
#undef DO_FUNC
udisks_timeout = 3000; /* don't try for too long if we can fall back to HAL */
return TRUE;
failed:
WARN( "failed to load HAL support: %s\n", error );
return FALSE;
}
#endif /* SONAME_LIBHAL */
static LONG WINAPI assert_fault(EXCEPTION_POINTERS *eptr)
{
if (eptr->ExceptionRecord->ExceptionCode == EXCEPTION_WINE_ASSERTION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
static inline int starts_with( const char *str, const char *prefix )
{
return !strncmp( str, prefix, strlen(prefix) );
}
static GUID *parse_uuid( GUID *guid, const char *str )
{
/* standard uuid format */
if (strlen(str) == 36)
{
UNICODE_STRING strW;
WCHAR buffer[39];
if (MultiByteToWideChar( CP_UNIXCP, 0, str, 36, buffer + 1, 36 ))
{
buffer[0] = '{';
buffer[37] = '}';
buffer[38] = 0;
RtlInitUnicodeString( &strW, buffer );
if (!RtlGUIDFromString( &strW, guid )) return guid;
}
}
/* check for xxxx-xxxx format (FAT serial number) */
if (strlen(str) == 9 && str[4] == '-')
{
memset( guid, 0, sizeof(*guid) );
if (sscanf( str, "%hx-%hx", &guid->Data2, &guid->Data3 ) == 2) return guid;
}
return NULL;
}
static BOOL load_dbus_functions(void)
{
void *handle;
char error[128];
if (!(handle = wine_dlopen(SONAME_LIBDBUS_1, RTLD_NOW, error, sizeof(error))))
goto failed;
#define DO_FUNC(f) if (!(p_##f = wine_dlsym( handle, #f, error, sizeof(error) ))) goto failed
DBUS_FUNCS;
#undef DO_FUNC
return TRUE;
failed:
WARN( "failed to load DBUS support: %s\n", error );
return FALSE;
}
static const char *udisks_next_dict_entry( DBusMessageIter *iter, DBusMessageIter *variant )
{
DBusMessageIter sub;
const char *name;
if (p_dbus_message_iter_get_arg_type( iter ) != DBUS_TYPE_DICT_ENTRY) return NULL;
p_dbus_message_iter_recurse( iter, &sub );
p_dbus_message_iter_next( iter );
p_dbus_message_iter_get_basic( &sub, &name );
p_dbus_message_iter_next( &sub );
p_dbus_message_iter_recurse( &sub, variant );
return name;
}
static enum device_type udisks_parse_media_compatibility( DBusMessageIter *iter )
{
DBusMessageIter media;
enum device_type drive_type = DEVICE_UNKNOWN;
p_dbus_message_iter_recurse( iter, &media );
while (p_dbus_message_iter_get_arg_type( &media ) == DBUS_TYPE_STRING)
{
const char *media_type;
p_dbus_message_iter_get_basic( &media, &media_type );
if (starts_with( media_type, "optical_dvd" ))
drive_type = DEVICE_DVD;
if (starts_with( media_type, "floppy" ))
drive_type = DEVICE_FLOPPY;
else if (starts_with( media_type, "optical_" ) && drive_type == DEVICE_UNKNOWN)
drive_type = DEVICE_CDROM;
p_dbus_message_iter_next( &media );
}
return drive_type;
}
/* UDisks callback for new device */
static void udisks_new_device( const char *udi )
{
static const char *dev_name = "org.freedesktop.UDisks.Device";
DBusMessage *request, *reply;
DBusMessageIter iter, variant;
DBusError error;
const char *device = NULL;
const char *mount_point = NULL;
const char *type = NULL;
GUID guid, *guid_ptr = NULL;
int removable = FALSE;
enum device_type drive_type = DEVICE_UNKNOWN;
request = p_dbus_message_new_method_call( "org.freedesktop.UDisks", udi,
"org.freedesktop.DBus.Properties", "GetAll" );
if (!request) return;
p_dbus_message_iter_init_append( request, &iter );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dev_name );
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( connection, request, -1, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return;
}
p_dbus_error_free( &error );
p_dbus_message_iter_init( reply, &iter );
if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_ARRAY)
{
const char *name;
p_dbus_message_iter_recurse( &iter, &iter );
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "DeviceFile" ))
p_dbus_message_iter_get_basic( &variant, &device );
else if (!strcmp( name, "DeviceIsRemovable" ))
p_dbus_message_iter_get_basic( &variant, &removable );
else if (!strcmp( name, "IdType" ))
p_dbus_message_iter_get_basic( &variant, &type );
else if (!strcmp( name, "DriveMediaCompatibility" ))
drive_type = udisks_parse_media_compatibility( &variant );
else if (!strcmp( name, "DeviceMountPaths" ))
{
DBusMessageIter paths;
p_dbus_message_iter_recurse( &variant, &paths );
if (p_dbus_message_iter_get_arg_type( &paths ) == DBUS_TYPE_STRING)
p_dbus_message_iter_get_basic( &paths, &mount_point );
}
else if (!strcmp( name, "IdUuid" ))
{
char *uuid_str;
p_dbus_message_iter_get_basic( &variant, &uuid_str );
guid_ptr = parse_uuid( &guid, uuid_str );
}
}
}
TRACE( "udi %s device %s mount point %s uuid %s type %s removable %u\n",
debugstr_a(udi), debugstr_a(device), debugstr_a(mount_point),
debugstr_guid(guid_ptr), debugstr_a(type), removable );
if (type)
{
if (!strcmp( type, "iso9660" ))
{
removable = TRUE;
drive_type = DEVICE_CDROM;
}
else if (!strcmp( type, "udf" ))
{
removable = TRUE;
drive_type = DEVICE_DVD;
}
}
if (device)
{
if (removable) add_dos_device( -1, udi, device, mount_point, drive_type, guid_ptr );
else if (guid_ptr) add_volume( udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
}
p_dbus_message_unref( reply );
}
/* UDisks callback for removed device */
static void udisks_removed_device( const char *udi )
{
TRACE( "removed %s\n", wine_dbgstr_a(udi) );
if (!remove_dos_device( -1, udi )) remove_volume( udi );
}
/* UDisks callback for changed device */
static void udisks_changed_device( const char *udi )
{
udisks_new_device( udi );
}
static BOOL udisks_enumerate_devices(void)
{
DBusMessage *request, *reply;
DBusError error;
char **paths;
int i, count;
request = p_dbus_message_new_method_call( "org.freedesktop.UDisks", "/org/freedesktop/UDisks",
"org.freedesktop.UDisks", "EnumerateDevices" );
if (!request) return FALSE;
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( connection, request, udisks_timeout, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return FALSE;
}
p_dbus_error_free( &error );
if (p_dbus_message_get_args( reply, &error, DBUS_TYPE_ARRAY,
DBUS_TYPE_OBJECT_PATH, &paths, &count, DBUS_TYPE_INVALID ))
{
for (i = 0; i < count; i++) udisks_new_device( paths[i] );
p_dbus_free_string_array( paths );
}
else WARN( "unexpected args in EnumerateDevices reply\n" );
p_dbus_message_unref( reply );
return TRUE;
}
/* to make things easier, UDisks2 stores strings as array of bytes instead of strings... */
static const char *udisks2_string_from_array( DBusMessageIter *iter )
{
DBusMessageIter string;
const char *array;
int size;
p_dbus_message_iter_recurse( iter, &string );
p_dbus_message_iter_get_fixed_array( &string, &array, &size );
return array;
}
/* find the drive entry in the dictionary and get its parameters */
static void udisks2_get_drive_info( const char *drive_name, DBusMessageIter *dict,
enum device_type *drive_type, int *removable )
{
DBusMessageIter iter, drive, variant;
const char *name;
p_dbus_message_iter_recurse( dict, &iter );
while ((name = udisks_next_dict_entry( &iter, &drive )))
{
if (strcmp( name, drive_name )) continue;
while ((name = udisks_next_dict_entry( &drive, &iter )))
{
if (strcmp( name, "org.freedesktop.UDisks2.Drive" )) continue;
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "Removable" ))
p_dbus_message_iter_get_basic( &variant, removable );
else if (!strcmp( name, "MediaCompatibility" ))
*drive_type = udisks_parse_media_compatibility( &variant );
}
}
}
}
static void udisks2_add_device( const char *udi, DBusMessageIter *dict, DBusMessageIter *block )
{
DBusMessageIter iter, variant, paths, string;
const char *device = NULL;
const char *mount_point = NULL;
const char *type = NULL;
const char *drive = NULL;
GUID guid, *guid_ptr = NULL;
const char *iface, *name;
int removable = FALSE;
enum device_type drive_type = DEVICE_UNKNOWN;
while ((iface = udisks_next_dict_entry( block, &iter )))
{
if (!strcmp( iface, "org.freedesktop.UDisks2.Filesystem" ))
{
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "MountPoints" ))
{
p_dbus_message_iter_recurse( &variant, &paths );
if (p_dbus_message_iter_get_arg_type( &paths ) == DBUS_TYPE_ARRAY)
{
p_dbus_message_iter_recurse( &variant, &string );
mount_point = udisks2_string_from_array( &string );
}
}
}
}
if (!strcmp( iface, "org.freedesktop.UDisks2.Block" ))
{
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "Device" ))
device = udisks2_string_from_array( &variant );
else if (!strcmp( name, "IdType" ))
p_dbus_message_iter_get_basic( &variant, &type );
else if (!strcmp( name, "Drive" ))
{
p_dbus_message_iter_get_basic( &variant, &drive );
udisks2_get_drive_info( drive, dict, &drive_type, &removable );
}
else if (!strcmp( name, "IdUUID" ))
{
const char *uuid_str;
if (p_dbus_message_iter_get_arg_type( &variant ) == DBUS_TYPE_ARRAY)
uuid_str = udisks2_string_from_array( &variant );
else
p_dbus_message_iter_get_basic( &variant, &uuid_str );
guid_ptr = parse_uuid( &guid, uuid_str );
}
}
}
}
TRACE( "udi %s device %s mount point %s uuid %s type %s removable %u\n",
debugstr_a(udi), debugstr_a(device), debugstr_a(mount_point),
debugstr_guid(guid_ptr), debugstr_a(type), removable );
if (type)
{
if (!strcmp( type, "iso9660" ))
{
removable = TRUE;
drive_type = DEVICE_CDROM;
}
else if (!strcmp( type, "udf" ))
{
removable = TRUE;
drive_type = DEVICE_DVD;
}
}
if (device)
{
if (removable) add_dos_device( -1, udi, device, mount_point, drive_type, guid_ptr );
else if (guid_ptr) add_volume( udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
}
}
/* UDisks2 is almost, but not quite, entirely unlike UDisks.
* It would have been easy to make it backwards compatible, but where would be the fun in that?
*/
static BOOL udisks2_add_devices( const char *changed )
{
DBusMessage *request, *reply;
DBusMessageIter dict, iter, block;
DBusError error;
const char *udi;
request = p_dbus_message_new_method_call( "org.freedesktop.UDisks2", "/org/freedesktop/UDisks2",
"org.freedesktop.DBus.ObjectManager", "GetManagedObjects" );
if (!request) return FALSE;
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( connection, request, udisks_timeout, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return FALSE;
}
p_dbus_error_free( &error );
p_dbus_message_iter_init( reply, &dict );
if (p_dbus_message_iter_get_arg_type( &dict ) == DBUS_TYPE_ARRAY)
{
p_dbus_message_iter_recurse( &dict, &iter );
while ((udi = udisks_next_dict_entry( &iter, &block )))
{
if (!starts_with( udi, "/org/freedesktop/UDisks2/block_devices/" )) continue;
if (changed && strcmp( changed, udi )) continue;
udisks2_add_device( udi, &dict, &block );
}
}
else WARN( "unexpected args in GetManagedObjects reply\n" );
p_dbus_message_unref( reply );
return TRUE;
}
static DBusHandlerResult udisks_filter( DBusConnection *ctx, DBusMessage *msg, void *user_data )
{
char *path;
DBusError error;
p_dbus_error_init( &error );
/* udisks signals */
if (p_dbus_message_is_signal( msg, "org.freedesktop.UDisks", "DeviceAdded" ) &&
p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID ))
{
udisks_new_device( path );
}
else if (p_dbus_message_is_signal( msg, "org.freedesktop.UDisks", "DeviceRemoved" ) &&
p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID ))
{
udisks_removed_device( path );
}
else if (p_dbus_message_is_signal( msg, "org.freedesktop.UDisks", "DeviceChanged" ) &&
p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID ))
{
udisks_changed_device( path );
}
/* udisks2 signals */
else if (p_dbus_message_is_signal( msg, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded" ) &&
p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID ))
{
TRACE( "added %s\n", wine_dbgstr_a(path) );
udisks2_add_devices( path );
}
else if (p_dbus_message_is_signal( msg, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved" ) &&
p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID ))
{
udisks_removed_device( path );
}
else if (p_dbus_message_is_signal( msg, "org.freedesktop.DBus.Properties", "PropertiesChanged" ))
{
const char *udi = p_dbus_message_get_path( msg );
TRACE( "changed %s\n", wine_dbgstr_a(udi) );
udisks2_add_devices( udi );
}
else TRACE( "ignoring message type=%d path=%s interface=%s method=%s\n",
p_dbus_message_get_type( msg ), p_dbus_message_get_path( msg ),
p_dbus_message_get_interface( msg ), p_dbus_message_get_member( msg ) );
p_dbus_error_free( &error );
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
#ifdef SONAME_LIBHAL
/* HAL callback for new device */
static void hal_new_device( LibHalContext *ctx, const char *udi )
{
DBusError error;
char *parent = NULL;
char *mount_point = NULL;
char *device = NULL;
char *type = NULL;
char *uuid_str = NULL;
GUID guid, *guid_ptr = NULL;
enum device_type drive_type;
p_dbus_error_init( &error );
if (!(device = p_libhal_device_get_property_string( ctx, udi, "block.device", &error )))
goto done;
if (!(mount_point = p_libhal_device_get_property_string( ctx, udi, "volume.mount_point", &error )))
goto done;
if (!(parent = p_libhal_device_get_property_string( ctx, udi, "info.parent", &error )))
goto done;
if (!(uuid_str = p_libhal_device_get_property_string( ctx, udi, "volume.uuid", &error )))
p_dbus_error_free( &error ); /* ignore error */
else
guid_ptr = parse_uuid( &guid, uuid_str );
if (!(type = p_libhal_device_get_property_string( ctx, parent, "storage.drive_type", &error )))
p_dbus_error_free( &error ); /* ignore error */
if (type && !strcmp( type, "cdrom" )) drive_type = DEVICE_CDROM;
else if (type && !strcmp( type, "floppy" )) drive_type = DEVICE_FLOPPY;
else drive_type = DEVICE_UNKNOWN;
if (p_libhal_device_get_property_bool( ctx, parent, "storage.removable", &error ))
{
add_dos_device( -1, udi, device, mount_point, drive_type, guid_ptr );
/* add property watch for mount point */
p_libhal_device_add_property_watch( ctx, udi, &error );
}
else if (guid_ptr) add_volume( udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
done:
if (type) p_libhal_free_string( type );
if (parent) p_libhal_free_string( parent );
if (device) p_libhal_free_string( device );
if (uuid_str) p_libhal_free_string( uuid_str );
if (mount_point) p_libhal_free_string( mount_point );
p_dbus_error_free( &error );
}
/* HAL callback for removed device */
static void hal_removed_device( LibHalContext *ctx, const char *udi )
{
DBusError error;
TRACE( "removed %s\n", wine_dbgstr_a(udi) );
if (!remove_dos_device( -1, udi ))
{
p_dbus_error_init( &error );
p_libhal_device_remove_property_watch( ctx, udi, &error );
p_dbus_error_free( &error );
}
else remove_volume( udi );
}
/* HAL callback for property changes */
static void hal_property_modified (LibHalContext *ctx, const char *udi,
const char *key, dbus_bool_t is_removed, dbus_bool_t is_added)
{
TRACE( "udi %s key %s %s\n", wine_dbgstr_a(udi), wine_dbgstr_a(key),
is_added ? "added" : is_removed ? "removed" : "modified" );
if (!strcmp( key, "volume.mount_point" )) hal_new_device( ctx, udi );
}
static BOOL hal_enumerate_devices(void)
{
LibHalContext *ctx;
DBusError error;
int i, num;
char **list;
if (!p_libhal_ctx_new) return FALSE;
if (!(ctx = p_libhal_ctx_new())) return FALSE;
p_libhal_ctx_set_dbus_connection( ctx, connection );
p_libhal_ctx_set_device_added( ctx, hal_new_device );
p_libhal_ctx_set_device_removed( ctx, hal_removed_device );
p_libhal_ctx_set_device_property_modified( ctx, hal_property_modified );
p_dbus_error_init( &error );
if (!p_libhal_ctx_init( ctx, &error ))
{
WARN( "HAL context init failed: %s\n", error.message );
p_dbus_error_free( &error );
return FALSE;
}
/* retrieve all existing devices */
if (!(list = p_libhal_get_all_devices( ctx, &num, &error ))) p_dbus_error_free( &error );
else
{
for (i = 0; i < num; i++) hal_new_device( ctx, list[i] );
p_libhal_free_string_array( list );
}
return TRUE;
}
#endif /* SONAME_LIBHAL */
static DWORD WINAPI dbus_thread( void *arg )
{
static const char udisks_match[] = "type='signal',"
"interface='org.freedesktop.UDisks',"
"sender='org.freedesktop.UDisks'";
static const char udisks2_match_interfaces[] = "type='signal',"
"interface='org.freedesktop.DBus.ObjectManager',"
"path='/org/freedesktop/UDisks2'";
static const char udisks2_match_properties[] = "type='signal',"
"interface='org.freedesktop.DBus.Properties'";
DBusError error;
p_dbus_error_init( &error );
if (!(connection = p_dbus_bus_get( DBUS_BUS_SYSTEM, &error )))
{
WARN( "failed to get system dbus connection: %s\n", error.message );
p_dbus_error_free( &error );
return 1;
}
/* first try UDisks2 */
p_dbus_connection_add_filter( connection, udisks_filter, NULL, NULL );
p_dbus_bus_add_match( connection, udisks2_match_interfaces, &error );
p_dbus_bus_add_match( connection, udisks2_match_properties, &error );
if (udisks2_add_devices( NULL )) goto found;
p_dbus_bus_remove_match( connection, udisks2_match_interfaces, &error );
p_dbus_bus_remove_match( connection, udisks2_match_properties, &error );
/* then try UDisks */
p_dbus_bus_add_match( connection, udisks_match, &error );
if (udisks_enumerate_devices()) goto found;
p_dbus_bus_remove_match( connection, udisks_match, &error );
p_dbus_connection_remove_filter( connection, udisks_filter, NULL );
/* then finally HAL */
#ifdef SONAME_LIBHAL
if (!hal_enumerate_devices())
{
p_dbus_error_free( &error );
return 1;
}
#endif
found:
__TRY
{
while (p_dbus_connection_read_write_dispatch( connection, -1 )) /* nothing */ ;
}
__EXCEPT( assert_fault )
{
WARN( "dbus assertion failure, disabling support\n" );
return 1;
}
__ENDTRY;
return 0;
}
void initialize_dbus(void)
{
HANDLE handle;
#ifdef SONAME_LIBHAL
if (!load_hal_functions())
#endif
if (!load_dbus_functions()) return;
if (!(handle = CreateThread( NULL, 0, dbus_thread, NULL, 0, NULL ))) return;
CloseHandle( handle );
}
#if !defined(HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H) || !defined(HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H)
/* The udisks dispatch loop will block all threads using the same connection, so we'll
use a private connection. Multiple threads can make methods calls at the same time
on the same connection, according to the documentation.
*/
static DBusConnection *dhcp_connection;
static DBusConnection *get_dhcp_connection(void)
{
if (!dhcp_connection)
{
DBusError error;
p_dbus_error_init( &error );
if (!(dhcp_connection = p_dbus_bus_get_private( DBUS_BUS_SYSTEM, &error )))
{
WARN( "failed to get system dbus connection: %s\n", error.message );
p_dbus_error_free( &error );
}
}
return dhcp_connection;
}
static DBusMessage *device_by_iface_request( const char *iface )
{
DBusMessage *request, *reply;
DBusMessageIter iter;
DBusError error;
request = p_dbus_message_new_method_call( "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager",
"org.freedesktop.NetworkManager", "GetDeviceByIpIface" );
if (!request) return NULL;
p_dbus_message_iter_init_append( request, &iter );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &iface );
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( get_dhcp_connection(), request, -1, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return NULL;
}
p_dbus_error_free( &error );
return reply;
}
#define IF_NAMESIZE 16
static BOOL map_adapter_name( const WCHAR *name, char *unix_name, DWORD len )
{
WCHAR unix_nameW[IF_NAMESIZE];
UNICODE_STRING str;
GUID guid;
RtlInitUnicodeString( &str, name );
if (!RtlGUIDFromString( &str, &guid ))
{
NET_LUID luid;
if (ConvertInterfaceGuidToLuid( &guid, &luid ) ||
ConvertInterfaceLuidToNameW( &luid, unix_nameW, ARRAY_SIZE(unix_nameW) )) return FALSE;
name = unix_nameW;
}
return WideCharToMultiByte( CP_UNIXCP, 0, name, -1, unix_name, len, NULL, NULL ) != 0;
}
static DBusMessage *dhcp4_config_request( const WCHAR *adapter )
{
static const char *device = "org.freedesktop.NetworkManager.Device";
static const char *dhcp4_config = "Dhcp4Config";
char iface[IF_NAMESIZE];
DBusMessage *request, *reply;
DBusMessageIter iter;
DBusError error;
const char *path = NULL;
if (!map_adapter_name( adapter, iface, sizeof(iface) )) return NULL;
if (!(reply = device_by_iface_request( iface ))) return NULL;
p_dbus_message_iter_init( reply, &iter );
if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_OBJECT_PATH) p_dbus_message_iter_get_basic( &iter, &path );
p_dbus_message_unref( reply );
if (!path) return NULL;
request = p_dbus_message_new_method_call( "org.freedesktop.NetworkManager", path,
"org.freedesktop.DBus.Properties", "Get" );
if (!request) return NULL;
p_dbus_message_iter_init_append( request, &iter );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &device );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dhcp4_config );
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( get_dhcp_connection(), request, -1, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return NULL;
}
p_dbus_error_free( &error );
return reply;
}
static DBusMessage *dhcp4_config_options_request( const WCHAR *adapter )
{
static const char *dhcp4_config = "org.freedesktop.NetworkManager.DHCP4Config";
static const char *options = "Options";
DBusMessage *request, *reply;
DBusMessageIter iter, sub;
DBusError error;
const char *path = NULL;
if (!(reply = dhcp4_config_request( adapter ))) return NULL;
p_dbus_message_iter_init( reply, &iter );
if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_VARIANT)
{
p_dbus_message_iter_recurse( &iter, &sub );
p_dbus_message_iter_get_basic( &sub, &path );
}
if (!path)
{
p_dbus_message_unref( reply );
return NULL;
}
request = p_dbus_message_new_method_call( "org.freedesktop.NetworkManager", path,
"org.freedesktop.DBus.Properties", "Get" );
p_dbus_message_unref( reply );
if (!request) return NULL;
p_dbus_message_iter_init_append( request, &iter );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dhcp4_config );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &options );
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( get_dhcp_connection(), request, -1, &error );
p_dbus_message_unref( request );
if (!reply)
{
p_dbus_error_free( &error );
return NULL;
}
p_dbus_error_free( &error );
return reply;
}
static const char *dhcp4_config_option_next_dict_entry( DBusMessageIter *iter, DBusMessageIter *variant )
{
DBusMessageIter sub;
const char *name;
if (p_dbus_message_iter_get_arg_type( iter ) != DBUS_TYPE_DICT_ENTRY) return NULL;
p_dbus_message_iter_recurse( iter, &sub );
p_dbus_message_iter_next( iter );
p_dbus_message_iter_get_basic( &sub, &name );
p_dbus_message_iter_next( &sub );
p_dbus_message_iter_recurse( &sub, variant );
return name;
}
static DBusMessage *dhcp4_config_option_request( const WCHAR *adapter, const char *option, const char **value )
{
DBusMessage *reply;
DBusMessageIter iter, variant;
const char *name;
if (!(reply = dhcp4_config_options_request( adapter ))) return NULL;
*value = NULL;
p_dbus_message_iter_init( reply, &iter );
if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_VARIANT)
{
p_dbus_message_iter_recurse( &iter, &iter );
if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_ARRAY)
{
p_dbus_message_iter_recurse( &iter, &iter );
while ((name = dhcp4_config_option_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, option ))
{
p_dbus_message_iter_get_basic( &variant, value );
break;
}
}
}
}
return reply;
}
static const char *map_option( ULONG option )
{
switch (option)
{
case OPTION_SUBNET_MASK: return "subnet_mask";
case OPTION_ROUTER_ADDRESS: return "next_server";
case OPTION_HOST_NAME: return "host_name";
case OPTION_DOMAIN_NAME: return "domain_name";
case OPTION_BROADCAST_ADDRESS: return "broadcast_address";
case OPTION_MSFT_IE_PROXY: return "wpad";
default:
FIXME( "unhandled option %u\n", option );
return "";
}
}
ULONG get_dhcp_request_param( const WCHAR *adapter, struct mountmgr_dhcp_request_param *param, char *buf, ULONG offset,
ULONG size )
{
DBusMessage *reply;
const char *value;
ULONG ret = 0;
param->offset = param->size = 0;
if (!(reply = dhcp4_config_option_request( adapter, map_option(param->id), &value ))) return 0;
switch (param->id)
{
case OPTION_SUBNET_MASK:
case OPTION_ROUTER_ADDRESS:
case OPTION_BROADCAST_ADDRESS:
{
IN_ADDR *ptr = (IN_ADDR *)(buf + offset);
if (value && size >= sizeof(IN_ADDR) && !RtlIpv4StringToAddressA( value, TRUE, NULL, ptr ))
{
param->offset = offset;
param->size = sizeof(*ptr);
TRACE( "returning %08x\n", *(DWORD *)ptr );
}
ret = sizeof(*ptr);
break;
}
case OPTION_HOST_NAME:
case OPTION_DOMAIN_NAME:
case OPTION_MSFT_IE_PROXY:
{
char *ptr = buf + offset;
int len = value ? strlen( value ) : 0;
if (len && size >= len)
{
memcpy( ptr, value, len );
param->offset = offset;
param->size = len;
TRACE( "returning %s\n", debugstr_an(ptr, len) );
}
ret = len;
break;
}
default:
FIXME( "option %u not supported\n", param->id );
break;
}
p_dbus_message_unref( reply );
return ret;
}
#endif
#else /* SONAME_LIBDBUS_1 */
void initialize_dbus(void)
{
TRACE( "Skipping, DBUS support not compiled in\n" );
}
#endif /* SONAME_LIBDBUS_1 */
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