dbus.c 25.3 KB
Newer Older
1
/*
2
 * DBus devices support
3
 *
4
 * Copyright 2006, 2011 Alexandre Julliard
5 6 7 8 9 10 11 12 13 14 15 16 17
 *
 * 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
18
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 20 21 22 23 24 25 26
 */

#include "config.h"
#include "wine/port.h"

#include <assert.h>
#include <errno.h>
#include <stdarg.h>
27
#include <stdio.h>
28
#include <sys/time.h>
29
#ifdef SONAME_LIBDBUS_1
30
# include <dbus/dbus.h>
31 32
#endif
#ifdef SONAME_LIBHAL
33 34
# include <hal/libhal.h>
#endif
35

36
#include "mountmgr.h"
37
#include "winnls.h"
38 39 40 41 42 43
#include "excpt.h"

#include "wine/library.h"
#include "wine/exception.h"
#include "wine/debug.h"

44
WINE_DEFAULT_DEBUG_CHANNEL(mountmgr);
45

46
#ifdef SONAME_LIBDBUS_1
47

48
#define DBUS_FUNCS \
49
    DO_FUNC(dbus_bus_add_match); \
50
    DO_FUNC(dbus_bus_get); \
51 52
    DO_FUNC(dbus_bus_remove_match); \
    DO_FUNC(dbus_connection_add_filter); \
53
    DO_FUNC(dbus_connection_read_write_dispatch); \
54 55
    DO_FUNC(dbus_connection_remove_filter); \
    DO_FUNC(dbus_connection_send_with_reply_and_block); \
56
    DO_FUNC(dbus_error_free); \
57 58 59 60 61 62 63 64 65 66 67 68
    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); \
69
    DO_FUNC(dbus_message_iter_get_fixed_array); \
70 71 72 73 74
    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); \
75
    DO_FUNC(dbus_message_unref)
76 77 78 79 80 81 82 83 84

#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
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106

#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

107
static BOOL load_hal_functions(void)
108
{
109
    void *hal_handle;
110 111
    char error[128];

112 113 114
    /* 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. */
115

116 117 118 119
    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
120 121 122 123 124 125 126
    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

127
    udisks_timeout = 3000;  /* don't try for too long if we can fall back to HAL */
128 129 130
    return TRUE;

failed:
131
    WARN( "failed to load HAL support: %s\n", error );
132 133 134
    return FALSE;
}

135 136
#endif /* SONAME_LIBHAL */

137
static LONG WINAPI assert_fault(EXCEPTION_POINTERS *eptr)
138
{
139 140
    if (eptr->ExceptionRecord->ExceptionCode == EXCEPTION_WINE_ASSERTION)
        return EXCEPTION_EXECUTE_HANDLER;
141 142 143
    return EXCEPTION_CONTINUE_SEARCH;
}

144 145 146 147 148
static inline int starts_with( const char *str, const char *prefix )
{
    return !strncmp( str, prefix, strlen(prefix) );
}

149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
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;
}

176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
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;
}

208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228
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;
}

229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254
/* 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)
    {
255
        WARN( "failed: %s\n", error.message );
256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275
        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" ))
276
                drive_type = udisks_parse_media_compatibility( &variant );
277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367
            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;
}

368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448
/* 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" ))
                {
449 450 451 452 453
                    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 );
454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
                    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;
}

526 527 528 529 530 531 532
static DBusHandlerResult udisks_filter( DBusConnection *ctx, DBusMessage *msg, void *user_data )
{
    char *path;
    DBusError error;

    p_dbus_error_init( &error );

533
    /* udisks signals */
534 535 536 537 538 539 540 541 542 543 544 545 546 547 548
    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 );
    }
549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566
    /* 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 );
    }
567 568 569 570 571 572 573 574 575 576
    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

577
/* HAL callback for new device */
578
static void hal_new_device( LibHalContext *ctx, const char *udi )
579 580
{
    DBusError error;
581 582 583 584
    char *parent = NULL;
    char *mount_point = NULL;
    char *device = NULL;
    char *type = NULL;
585 586
    char *uuid_str = NULL;
    GUID guid, *guid_ptr = NULL;
587
    enum device_type drive_type;
588 589 590 591 592 593 594 595 596 597 598 599

    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;

600 601 602 603 604
    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 );

605 606 607
    if (!(type = p_libhal_device_get_property_string( ctx, parent, "storage.drive_type", &error )))
        p_dbus_error_free( &error );  /* ignore error */

608 609 610
    if (type && !strcmp( type, "cdrom" )) drive_type = DEVICE_CDROM;
    else if (type && !strcmp( type, "floppy" )) drive_type = DEVICE_FLOPPY;
    else drive_type = DEVICE_UNKNOWN;
611

612 613 614 615 616 617 618
    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 );
619 620

done:
621 622 623
    if (type) p_libhal_free_string( type );
    if (parent) p_libhal_free_string( parent );
    if (device) p_libhal_free_string( device );
624
    if (uuid_str) p_libhal_free_string( uuid_str );
625
    if (mount_point) p_libhal_free_string( mount_point );
626 627 628 629
    p_dbus_error_free( &error );
}

/* HAL callback for removed device */
630
static void hal_removed_device( LibHalContext *ctx, const char *udi )
631 632 633
{
    DBusError error;

634
    TRACE( "removed %s\n", wine_dbgstr_a(udi) );
635

636
    if (!remove_dos_device( -1, udi ))
637 638 639 640 641
    {
        p_dbus_error_init( &error );
        p_libhal_device_remove_property_watch( ctx, udi, &error );
        p_dbus_error_free( &error );
    }
642
    else remove_volume( udi );
643 644 645
}

/* HAL callback for property changes */
646 647
static void hal_property_modified (LibHalContext *ctx, const char *udi,
                                   const char *key, dbus_bool_t is_removed, dbus_bool_t is_added)
648
{
649
    TRACE( "udi %s key %s %s\n", wine_dbgstr_a(udi), wine_dbgstr_a(key),
650
           is_added ? "added" : is_removed ? "removed" : "modified" );
651

652
    if (!strcmp( key, "volume.mount_point" )) hal_new_device( ctx, udi );
653 654
}

655
static BOOL hal_enumerate_devices(void)
656 657
{
    LibHalContext *ctx;
658
    DBusError error;
659 660 661
    int i, num;
    char **list;

662 663
    if (!p_libhal_ctx_new) return FALSE;
    if (!(ctx = p_libhal_ctx_new())) return FALSE;
664

665
    p_libhal_ctx_set_dbus_connection( ctx, connection );
666 667 668
    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 );
669

670
    p_dbus_error_init( &error );
671 672
    if (!p_libhal_ctx_init( ctx, &error ))
    {
673
        WARN( "HAL context init failed: %s\n", error.message );
674
        p_dbus_error_free( &error );
675
        return FALSE;
676 677 678 679 680 681
    }

    /* retrieve all existing devices */
    if (!(list = p_libhal_get_all_devices( ctx, &num, &error ))) p_dbus_error_free( &error );
    else
    {
682
        for (i = 0; i < num; i++) hal_new_device( ctx, list[i] );
683 684
        p_libhal_free_string_array( list );
    }
685 686 687 688 689 690 691 692 693 694
    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'";
695 696 697 698 699 700
    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'";

701 702 703 704 705 706 707 708 709 710 711

    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;
    }

712
    /* first try UDisks2 */
713

714 715 716 717 718 719 720 721 722 723 724 725 726 727 728
    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 */
729 730

#ifdef SONAME_LIBHAL
731 732 733 734
    if (!hal_enumerate_devices())
    {
        p_dbus_error_free( &error );
        return 1;
735
    }
736
#endif
737

738
found:
739 740
    __TRY
    {
741
        while (p_dbus_connection_read_write_dispatch( connection, -1 )) /* nothing */ ;
742 743 744
    }
    __EXCEPT( assert_fault )
    {
745
        WARN( "dbus assertion failure, disabling support\n" );
746 747 748 749 750 751 752
        return 1;
    }
    __ENDTRY;

    return 0;
}

753
void initialize_dbus(void)
754 755 756
{
    HANDLE handle;

757 758 759 760
#ifdef SONAME_LIBHAL
    if (!load_hal_functions())
#endif
        if (!load_dbus_functions()) return;
761
    if (!(handle = CreateThread( NULL, 0, dbus_thread, NULL, 0, NULL ))) return;
762 763 764
    CloseHandle( handle );
}

765
#else  /* SONAME_LIBDBUS_1 */
766

767
void initialize_dbus(void)
768
{
769
    TRACE( "Skipping, DBUS support not compiled in\n" );
770 771
}

772
#endif  /* SONAME_LIBDBUS_1 */