dmap-share.c 53.5 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 * Implmentation of DMAP (e.g., iTunes Music or iPhoto Picture) sharing
 *
 * Copyright (C) 2005 Charles Schmidt <cschmidt2@emich.edu>
 *
 * Modifications Copyright (C) 2008 W. Michael Petullo <mike@flyn.org>
 *
 * 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 <time.h>
#include <string.h>
#include <stdlib.h>

#include <glib/gi18n.h>

33
#include <libdmapsharing/dmap.h>
34 35 36 37 38 39 40 41
#include <libdmapsharing/dmap-structure.h>

#define TYPE_OF_SERVICE "_daap._tcp"
#define STANDARD_DAAP_PORT 3689
#define STANDARD_DPAP_PORT 8770
#define DMAP_VERSION 2.0
#define DAAP_VERSION 3.0
#define DMAP_TIMEOUT 1800
42
#define DMAP_STATUS_OK 200
43 44 45 46 47 48 49 50 51

typedef enum {
	DMAP_SHARE_AUTH_METHOD_NONE              = 0,
	DMAP_SHARE_AUTH_METHOD_NAME_AND_PASSWORD = 1,
	DMAP_SHARE_AUTH_METHOD_PASSWORD          = 2
} DMAPShareAuthMethod;

enum {
	PROP_0,
52
	PROP_SERVER,
53 54 55 56
	PROP_NAME,
	PROP_PASSWORD,
	PROP_REVISION_NUMBER,
	PROP_AUTH_METHOD,
57 58
	PROP_DB,
	PROP_CONTAINER_DB,
59 60
	PROP_TRANSCODE_MIMETYPE,
	PROP_TXT_RECORDS
61 62 63 64 65 66
};

struct DMAPSharePrivate {
	gchar *name;
	guint port;
	char *password;
67 68 69 70

	/* FIXME: eventually, this should be determined dynamically, based
	 * on what client has connected and its supported mimetypes.
	 */
71
	char *transcode_mimetype;
72

73 74
	DMAPShareAuthMethod auth_method;

75
	/* mDNS/DNS-SD publishing things */
76 77 78 79
	gboolean server_active;
	gboolean published;
	DmapMdnsPublisher *publisher;

80
	/* HTTP server things */
81 82 83
	SoupServer *server;
	guint revision_number;

84 85 86
	/* The media database */
	DMAPDb *db;
	DMAPContainerDb *container_db;
87 88 89
	
	/* TXT-RECORDS published by mDNS */
	gchar **txt_records;
90

91 92 93
	GHashTable *session_ids;
};

94 95 96
struct share_bitwise_t {
	DMAPShare *share;
	bitwise bits;
97
	GSList *id_list;
98 99
};

100 101 102 103 104 105 106 107 108
static void dmap_share_init       (DMAPShare *share);
static void dmap_share_class_init (DMAPShareClass *klass);

G_DEFINE_ABSTRACT_TYPE (DMAPShare, dmap_share, G_TYPE_OBJECT)

#define DMAP_SHARE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
				   TYPE_DMAP_SHARE, DMAPSharePrivate))

static gboolean
109
_dmap_share_soup_auth_callback (SoupAuthDomain *auth_domain,
110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
		    SoupMessage    *msg,
		    const char     *username,
		    gpointer        password,
		    DMAPShare    *share)
{
	gboolean    allowed;
	const char *path;

	path = soup_message_get_uri (msg)->path;
	g_debug ("Auth request for %s, user %s", path, username);

	allowed = !strcmp (password, share->priv->password);
	g_debug ("Auth request: %s", allowed ? "ALLOWED" : "DENIED");

	return allowed;
}

static void server_info_adapter (SoupServer *server,
				 SoupMessage *message,
				 const char *path,
				 GHashTable *query,
				 SoupClientContext *context,
				 DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->server_info (share,
						   server,
						   message,
						   path,
						   query,
						   context);
}

static void content_codes_adapter (SoupServer *server,
				   SoupMessage *message,
				   const char *path,
				   GHashTable *query,
				   SoupClientContext *context,
				   DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->content_codes (share,
						     server,
						     message,
						     path,
						     query,
						     context);
}

static void login_adapter (SoupServer *server,
			   SoupMessage *message,
			   const char *path,
			   GHashTable *query,
			   SoupClientContext *context,
			   DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->login (share,
					     server,
					     message,
					     path,
					     query,
					     context);
}

static void logout_adapter (SoupServer *server,
			    SoupMessage *message,
			    const char *path,
			    GHashTable *query,
			    SoupClientContext *context,
			    DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->logout (share,
					      server,
					      message,
					      path,
					      query,
					      context);
}

static void update_adapter (SoupServer *server,
			    SoupMessage *message,
			    const char *path,
			    GHashTable *query,
			    SoupClientContext *context,
			    DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->update (share,
					      server,
					      message,
					      path,
					      query,
					      context);
}

static void databases_adapter (SoupServer *server,
			       SoupMessage *message,
			       const char *path,
			       GHashTable *query,
			       SoupClientContext *context,
			       DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->databases (share,
						 server,
						 message,
						 path,
						 query,
						 context);
}

217 218 219 220 221 222 223 224 225 226 227 228 229 230 231
static void ctrl_int_adapter (SoupServer *server,
                              SoupMessage *message,
                              const char *path,
                              GHashTable *query,
                              SoupClientContext *context,
                              DMAPShare *share)
{
	DMAP_SHARE_GET_CLASS (share)->ctrl_int (share,
	                                        server,
	                                        message,
	                                        path,
	                                        query,
	                                        context);
}

232
gboolean
233
_dmap_share_server_start (DMAPShare *share)
234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260
{
	guint port = DMAP_SHARE_GET_CLASS (share)->get_desired_port (share);
	gboolean              password_required;

	share->priv->server = soup_server_new (SOUP_SERVER_PORT, port, NULL);
	if (share->priv->server == NULL) {
		g_warning ("Unable to start music sharing server on port %d, trying any open port", port);
		share->priv->server = soup_server_new (SOUP_SERVER_PORT, SOUP_ADDRESS_ANY_PORT, NULL);

		if (share->priv->server == NULL) {
			g_warning ("Unable to start music sharing server");
			return FALSE;
		}
	}

	share->priv->port = (guint)soup_server_get_port (share->priv->server);
	g_debug ("Started DMAP server on port %u", share->priv->port);

	password_required = (share->priv->auth_method != DMAP_SHARE_AUTH_METHOD_NONE);

	if (password_required) {
		SoupAuthDomain *auth_domain;

		auth_domain = soup_auth_domain_basic_new (SOUP_AUTH_DOMAIN_REALM, "Music Sharing",
							  SOUP_AUTH_DOMAIN_ADD_PATH, "/login",
							  SOUP_AUTH_DOMAIN_ADD_PATH, "/update",
							  SOUP_AUTH_DOMAIN_ADD_PATH, "/database",
261
							  SOUP_AUTH_DOMAIN_FILTER, _dmap_share_soup_auth_filter,
262 263
							  NULL);
		soup_auth_domain_basic_set_auth_callback (auth_domain,
264
							  (SoupAuthDomainBasicAuthCallback) _dmap_share_soup_auth_callback,
265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
							  g_object_ref (share),
							  g_object_unref);
		soup_server_add_auth_domain (share->priv->server, auth_domain);
	}

	soup_server_add_handler (share->priv->server, "/server-info",
				 (SoupServerCallback) server_info_adapter,
				 share, NULL);
	soup_server_add_handler (share->priv->server, "/content-codes",
				 (SoupServerCallback) content_codes_adapter,
				 share, NULL);
	soup_server_add_handler (share->priv->server, "/login",
				 (SoupServerCallback) login_adapter,
				 share, NULL);
	soup_server_add_handler (share->priv->server, "/logout",
				 (SoupServerCallback) logout_adapter,
				 share, NULL);
	soup_server_add_handler (share->priv->server, "/update",
				 (SoupServerCallback) update_adapter,
				 share, NULL);
	soup_server_add_handler (share->priv->server, "/databases",
				 (SoupServerCallback) databases_adapter,
				 share, NULL);
288 289 290
	soup_server_add_handler (share->priv->server, "/ctrl-int",
				 (SoupServerCallback) ctrl_int_adapter,
				 share, NULL);
291 292 293 294 295 296 297 298 299 300 301
	soup_server_run_async (share->priv->server);

	/* using direct since there is no g_uint_hash or g_uint_equal */
	share->priv->session_ids = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);

	share->priv->server_active = TRUE;

	return TRUE;
}

static gboolean
302
_dmap_share_server_stop (DMAPShare *share)
303
{
W. Michael Petullo's avatar
W. Michael Petullo committed
304
	g_debug ("Stopping music sharing server on port %d", share->priv->port);
305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322

	if (share->priv->server) {
		soup_server_quit (share->priv->server);
		g_object_unref (share->priv->server);
		share->priv->server = NULL;
	}

	if (share->priv->session_ids) {
		g_hash_table_destroy (share->priv->session_ids);
		share->priv->session_ids = NULL;
	}

	share->priv->server_active = FALSE;

	return TRUE;
}

gboolean
323
_dmap_share_publish_start (DMAPShare *share)
324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340
{
	gchar *nameprop;
	GError  *error;
	gboolean res;
	gboolean password_required;

	/* FIXME: this is done throughout dmap-share.c. Is this the best way? */
	g_object_get ((gpointer) share, "name", &nameprop, NULL);

	password_required = (share->priv->auth_method != DMAP_SHARE_AUTH_METHOD_NONE);

	error = NULL;
	res = dmap_mdns_publisher_publish (share->priv->publisher,
					      nameprop,
					      share->priv->port,
					      DMAP_SHARE_GET_CLASS (share)->get_type_of_service (share),
					      password_required,
341
					      share->priv->txt_records,
342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361
					      &error);

	if (res == FALSE) {
		if (error != NULL) {
			g_warning ("Unable to notify network of media sharing: %s", error->message);
			g_error_free (error);
		} else {
			g_warning ("Unable to notify network of media sharing");
		}
		return FALSE;
	} else {
		g_debug ("Published DMAP server information to mdns");
	}

	g_free (nameprop);

	return TRUE;
}

static gboolean
362
_dmap_share_publish_stop (DMAPShare *share)
363 364 365 366 367
{
	if (share->priv->publisher) {
		gboolean res;
		GError  *error;
		error = NULL;
368
		res = dmap_mdns_publisher_withdraw (share->priv->publisher, share->priv->port, &error);
369 370 371 372 373 374 375 376 377 378 379 380
		if (error != NULL) {
			g_warning ("Unable to withdraw music sharing service: %s", error->message);
			g_error_free (error);
		}
		return res;
	}

	share->priv->published = FALSE;
	return TRUE;
}

static void
381
_dmap_share_restart (DMAPShare *share)
382 383 384
{
	gboolean res;

385 386
	_dmap_share_server_stop (share);
	res = _dmap_share_server_start (share);
387 388
	if (res) {
		/* To update information just publish again */
389
		_dmap_share_publish_start (share);
390
	} else {
391
		_dmap_share_publish_stop (share);
392 393 394 395
	}
}

static void
396
_dmap_share_maybe_restart (DMAPShare *share)
397 398
{
	if (share->priv->published) {
399
		_dmap_share_restart (share);
400 401 402 403
	}
}

static void
404
_dmap_share_set_name (DMAPShare *share, const char  *name)
405 406 407 408 409 410 411 412 413
{
	GError *error;
	gboolean res;

	g_return_if_fail (share != NULL);

	g_free (share->priv->name);
	share->priv->name = g_strdup (name);

414 415 416 417 418 419 420 421 422 423 424
	if (share->priv->published) {
		error = NULL;
		res = dmap_mdns_publisher_rename_at_port (share->priv->publisher,
							  share->priv->port,
							  name,
							 &error);
		if (error != NULL) {
			g_warning ("Unable to change MDNS service name: %s",
				   error->message);
			g_error_free (error);
		}
425 426 427 428
	}
}

static void
429
_dmap_share_set_password (DMAPShare *share, const char  *password)
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445
{
	g_return_if_fail (share != NULL);

	if (share->priv->password && password &&
	    strcmp (password, share->priv->password) == 0) {
		return;
	}

	g_free (share->priv->password);
	share->priv->password = g_strdup (password);
	if (password != NULL) {
		share->priv->auth_method = DMAP_SHARE_AUTH_METHOD_PASSWORD;
	} else {
		share->priv->auth_method = DMAP_SHARE_AUTH_METHOD_NONE;
	}

446
	_dmap_share_maybe_restart (share);
447 448 449
}

static void
450
_dmap_share_set_property (GObject *object,
451 452 453 454 455 456 457 458
			 guint prop_id,
			 const GValue *value,
			 GParamSpec *pspec)
{
	DMAPShare *share = DMAP_SHARE (object);

	switch (prop_id) {
	case PROP_NAME:
459
		_dmap_share_set_name (share, g_value_get_string (value));
460 461
		break;
	case PROP_PASSWORD:
462
		_dmap_share_set_password (share, g_value_get_string (value));
463
		break;
464 465 466 467 468 469 470 471 472 473
	case PROP_DB:
                share->priv->db = (DMAPDb *) g_value_get_pointer (value);
                break;
        case PROP_CONTAINER_DB:
                share->priv->container_db = (DMAPContainerDb *) g_value_get_pointer (value);
                break;
        case PROP_TRANSCODE_MIMETYPE:
		/* FIXME: get or dup? */
                share->priv->transcode_mimetype = g_value_dup_string (value);
                break;
474 475 476
        case PROP_TXT_RECORDS:
                share->priv->txt_records = g_value_dup_boxed (value);
                break;
477 478 479 480 481 482 483
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

static void
484
_dmap_share_get_property (GObject *object,
485 486 487 488 489 490 491
			 guint prop_id,
			 GValue *value,
			 GParamSpec *pspec)
{
	DMAPShare *share = DMAP_SHARE (object);

	switch (prop_id) {
492 493 494
	case PROP_SERVER:
		g_value_set_object (value, share->priv->server);
		return;
495 496 497 498 499 500 501 502
	case PROP_NAME:
		g_value_set_string (value, share->priv->name);
		break;
	case PROP_PASSWORD:
		g_value_set_string (value, share->priv->password);
		break;
	case PROP_REVISION_NUMBER:
		g_value_set_uint (value,
503
				  _dmap_share_get_revision_number
504 505 506 507
					(DMAP_SHARE (object)));
		break;
	case PROP_AUTH_METHOD:
		g_value_set_uint (value,
508
				  _dmap_share_get_auth_method
509 510
					(DMAP_SHARE (object)));
		break;
511 512 513 514 515 516 517 518 519
	case PROP_DB:
                g_value_set_pointer (value, share->priv->db);
                break;
        case PROP_CONTAINER_DB:
                g_value_set_pointer (value, share->priv->container_db);
                break;
        case PROP_TRANSCODE_MIMETYPE:
                g_value_set_string (value, share->priv->transcode_mimetype);
                break;
520 521 522
        case PROP_TXT_RECORDS:
                g_value_set_boxed (value, share->priv->txt_records);
                break;
523 524 525 526 527 528 529
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

static void
530
_dmap_share_finalize (GObject *object)
531 532 533
{
	DMAPShare *share = DMAP_SHARE (object);

534 535
	g_debug ("Finalizing DMAPShare");

536
	if (share->priv->published) {
537
		_dmap_share_publish_stop (share);
538 539 540
	}

	if (share->priv->server_active) {
541
		_dmap_share_server_stop (share);
542 543 544
	}

	g_free (share->priv->name);
545 546 547 548
	g_free (share->priv->password);

	g_object_unref (share->priv->db);
	g_object_unref (share->priv->container_db);
549 550
	
	g_strfreev (share->priv->txt_records);
551 552 553 554 555

	if (share->priv->publisher) {
		g_object_unref (share->priv->publisher);
	}

556
	G_OBJECT_CLASS (dmap_share_parent_class)->finalize (object);
557 558 559 560 561 562 563
}

static void
dmap_share_class_init (DMAPShareClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

564 565
	object_class->get_property = _dmap_share_get_property;
	object_class->set_property = _dmap_share_set_property;
566
	object_class->finalize     = _dmap_share_finalize;
567 568

	/* Pure virtual methods: */
569 570
	klass->get_desired_port     = NULL;
	klass->get_type_of_service  = NULL;
571
	klass->message_add_standard_headers = NULL;
572 573 574 575
	klass->get_meta_data_map    = NULL;
	klass->add_entry_to_mlcl    = NULL;
	klass->databases_browse_xxx = NULL;
	klass->databases_items_xxx  = NULL;
576 577

	/* Virtual methods: */
578 579 580 581
	klass->content_codes  = _dmap_share_content_codes;
	klass->login          = _dmap_share_login;
	klass->logout         = _dmap_share_logout;
	klass->update         = _dmap_share_update;
582 583
	klass->published      = _dmap_share_published;
	klass->name_collision = _dmap_share_name_collision;
584
	klass->databases      = _dmap_share_databases;
585
	klass->ctrl_int       = _dmap_share_ctrl_int;
586

587 588 589 590 591 592 593 594
	g_object_class_install_property (object_class,
					 PROP_SERVER,
					 g_param_spec_object ("server",
							      "Soup Server",
							      "Soup server",
							      SOUP_TYPE_SERVER,
							      G_PARAM_READABLE));
	
595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628
	g_object_class_install_property (object_class,
					 PROP_NAME,
					 g_param_spec_string ("name",
						 	    "Name",
							    "Share Name",
							    NULL,
							    G_PARAM_READWRITE));
	g_object_class_install_property (object_class,
					 PROP_PASSWORD,
					 g_param_spec_string ("password",
						      "Authentication password",
						      "Authentication password",
						      NULL,
						      G_PARAM_READWRITE));

	g_object_class_install_property (object_class,
					 PROP_REVISION_NUMBER,
					 g_param_spec_uint ("revision_number",
					 		    "Revision number",
							    "Revision number",
							    0,
							    G_MAXINT,
							    0,
							    G_PARAM_READWRITE));

	g_object_class_install_property (object_class,
					 PROP_AUTH_METHOD,
					 g_param_spec_uint ("auth_method",
					 	"Authentication method",
						"Authentication method",
						DMAP_SHARE_AUTH_METHOD_NONE,
						DMAP_SHARE_AUTH_METHOD_PASSWORD,
						0,
						G_PARAM_READWRITE));
629 630 631 632 633 634 635 636 637 638 639 640 641
	g_object_class_install_property (object_class,
                                         PROP_DB,
                                         g_param_spec_pointer ("db",
                                                              "DB",
                                                              "DB object",
                                                               G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));

        g_object_class_install_property (object_class,
                                         PROP_CONTAINER_DB,
                                         g_param_spec_pointer ("container-db",
                                                              "Container DB",
                                                              "Container DB object",
                                                               G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
642

643 644 645 646 647 648 649
	g_object_class_install_property (object_class,
                                         PROP_TRANSCODE_MIMETYPE,
                                         g_param_spec_string ("transcode-mimetype",
                                                             "Transcode mimetype",
                                                             "Set mimetype of stream after transcoding",
                                                             NULL,
                                                             G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
650 651 652 653 654 655 656 657 658
                                                             

	g_object_class_install_property (object_class,
                                         PROP_TXT_RECORDS,
                                         g_param_spec_boxed ("txt-records",
                                                             "TXT-Records",
                                                             "Set TXT-Records used for MDNS publishing",
                                                             G_TYPE_STRV,
                                                             G_PARAM_READWRITE));
659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696

	g_type_class_add_private (klass, sizeof (DMAPSharePrivate));
}

static void published_adapter (DmapMdnsPublisher *publisher,
			       const char          *name,
			       DMAPShare         *share)
{
	DMAP_SHARE_GET_CLASS (share)->published (share, publisher, name);
}

static void name_collision_adapter (DmapMdnsPublisher *publisher,
				    const char          *name,
				    DMAPShare         *share)
{
	DMAP_SHARE_GET_CLASS (share)->name_collision (share, publisher, name);
}

static void
dmap_share_init (DMAPShare *share)
{
	share->priv = DMAP_SHARE_GET_PRIVATE (share);

	share->priv->revision_number = 5;
	share->priv->auth_method = DMAP_SHARE_AUTH_METHOD_NONE;
	share->priv->publisher = dmap_mdns_publisher_new ();

	g_signal_connect_object (share->priv->publisher,
				 "published",
				 G_CALLBACK (published_adapter),
				 share, 0);
	g_signal_connect_object (share->priv->publisher,
				 "name-collision",
				 G_CALLBACK (name_collision_adapter),
				 share, 0);
}

guint
697
_dmap_share_get_auth_method (DMAPShare *share)
698 699 700 701 702
{
	return share->priv->auth_method;
}

guint
703
_dmap_share_get_revision_number (DMAPShare *share)
704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
{
	return share->priv->revision_number;
}



static gboolean
get_session_id (GHashTable *query,
		guint32    *id)
{
	char *session_id_str;
	guint32 session_id;

	session_id_str = g_hash_table_lookup (query, "session-id");
	if (session_id_str == NULL) {
		g_warning ("Session id not found.");
		return FALSE;
	}

	session_id = (guint32) strtoul (session_id_str, NULL, 10);
	if (id != NULL) {
		*id = session_id;
	}
	return TRUE;
}

gboolean
731
_dmap_share_get_revision_number_from_query (GHashTable *query,
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750
		     guint *number)
{
	char *revision_number_str;
	guint revision_number;

	revision_number_str = g_hash_table_lookup (query, "revision-number");
	if (revision_number_str == NULL) {
		g_warning ("Client asked for an update without a rev. number");
		return FALSE;
	}

	revision_number = strtoul (revision_number_str, NULL, 10);
	if (number != NULL) {
		*number = revision_number;
	}
	return TRUE;
}

gboolean
751
_dmap_share_session_id_validate (DMAPShare       *share,
752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
		     SoupClientContext *context,
		     SoupMessage       *message,
		     GHashTable        *query,
		     guint32           *id)
{
	guint32     session_id;
	gboolean    res;
	const char *addr;
	const char *remote_address;

	if (id) {
		*id = 0;
	}

	res = get_session_id (query, &session_id);
	if (! res) {
		g_warning ("Validation failed: Unable to parse session id");
		return FALSE;
	}

	/* check hash for remote address */
	addr = g_hash_table_lookup (share->priv->session_ids,
				    GUINT_TO_POINTER (session_id));
	if (addr == NULL) {
		g_warning ("Validation failed: Unable to lookup session id %u",
			   session_id);
		return FALSE;
	}

	remote_address = soup_client_context_get_host (context);
	g_debug ("Validating session id %u from %s matches %s",
		  session_id, remote_address, addr);
	if (remote_address == NULL || strcmp (addr, remote_address) != 0) {
		g_warning ("Validation failed: Remote address does not match stored address");
		return FALSE;
	}

	if (id) {
		*id = session_id;
	}

	return TRUE;
}

static guint32
session_id_generate (DMAPShare       *share,
		     SoupClientContext *context)
{
	guint32 id;

	id = g_random_int ();

	return id;
}

guint32
808
_dmap_share_session_id_create (DMAPShare       *share,
809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833
		   SoupClientContext *context)
{
	guint32     id;
	const char *addr;
	char       *remote_address;

	do {
		/* create a unique session id */
		id = session_id_generate (share, context);
		g_debug ("Generated session id %u", id);

		/* if already used, try again */
		addr = g_hash_table_lookup (share->priv->session_ids,
					    GUINT_TO_POINTER (id));
	} while	(addr != NULL);

	/* store session id and remote address */
	remote_address = g_strdup (soup_client_context_get_host (context));
	g_hash_table_insert (share->priv->session_ids, GUINT_TO_POINTER (id),
			     remote_address);

	return id;
}

void
834
_dmap_share_session_id_remove (DMAPShare       *share,
835 836 837 838 839 840 841
		   SoupClientContext *context,
		   guint32            id)
{
	g_hash_table_remove (share->priv->session_ids, GUINT_TO_POINTER (id));
}

void
842
_dmap_share_message_set_from_dmap_structure (DMAPShare *share,
843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858
					    SoupMessage *message,
				    	    GNode *structure)
{
	gchar *resp;
	guint length;

	resp = dmap_structure_serialize (structure, &length);

	if (resp == NULL) {
		g_warning ("Serialize gave us null?\n");
		return;
	}

	soup_message_set_response (message, "application/x-dmap-tagged",
				   SOUP_MEMORY_TAKE, resp, length);

859 860
	DMAP_SHARE_GET_CLASS (share)->message_add_standard_headers (share,
								    message);
861 862 863 864 865 866

	soup_message_set_status (message, SOUP_STATUS_OK);
}


gboolean
867
_dmap_share_client_requested (bitwise bits,
868 869 870 871 872 873
		  gint field)
{
	return 0 != (bits & (((bitwise) 1) << field));
}

gboolean
874
_dmap_share_uri_is_local (const char *text_uri)
875 876 877 878 879
{
        return g_str_has_prefix (text_uri, "file://");
}

gboolean
880
_dmap_share_soup_auth_filter (SoupAuthDomain *auth_domain,
881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900
		  SoupMessage    *msg,
		  gpointer        user_data)
{
	const char *path;

	path = soup_message_get_uri (msg)->path;
	if (g_str_has_prefix (path, "/databases/")) {
		/* Subdirectories of /databases don't actually require
		 * authentication
		 */
		return FALSE;
	} else {
		/* Everything else in auth_domain's paths, including
		 * /databases itself, does require auth.
		 */
		return TRUE;
	}
}

void
901
_dmap_share_published (DMAPShare         *share,
902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922
		      DmapMdnsPublisher *publisher,
		      const char        *name)
{
	gchar *nameprop;

	g_object_get ((gpointer) share, "name", &nameprop, NULL);

        if (nameprop == NULL || name == NULL) {
		g_free (nameprop);
                return;
        }

        if (strcmp (nameprop, name) == 0) {
                g_debug ("mDNS publish successful");
                share->priv->published = TRUE;
        }

	g_free (nameprop);
}

void
923
_dmap_share_name_collision (DMAPShare         *share,
924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939
			   DmapMdnsPublisher *publisher,
			   const char        *name)
{
	gchar *nameprop;
        char *new_name = "FIXME";

	g_object_get ((gpointer) share, "name", &nameprop, NULL);

        if (nameprop == NULL || name == NULL) {
		g_free (nameprop);
                return;
        }

        if (strcmp (nameprop, name) == 0) {
                g_warning ("Duplicate share name on mDNS");

940
                _dmap_share_set_name (DMAP_SHARE(share), new_name);
941 942 943 944 945 946 947 948 949
                g_free (new_name);
        }

	g_free (nameprop);

        return;
}

void
950
_dmap_share_content_codes (DMAPShare *share,
951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
		  SoupServer        *server,
		  SoupMessage       *message,
		  const char        *path,
		  GHashTable        *query,
		  SoupClientContext *context)
{
/* MCCR content codes response
 * 	MSTT status
 * 	MDCL dictionary
 * 		MCNM content codes number
 * 		MCNA content codes name
 * 		MCTY content codes type
 * 	MDCL dictionary
 * 	...
 */
	const DMAPContentCodeDefinition *defs;
	guint num_defs = 0;
	guint i;
	GNode *mccr;

	g_debug ("Path is %s.", path);

	defs = dmap_content_codes (&num_defs);

	mccr = dmap_structure_add (NULL, DMAP_CC_MCCR);
	dmap_structure_add (mccr, DMAP_CC_MSTT, (gint32) DMAP_STATUS_OK);

	for (i = 0; i < num_defs; i++) {
		GNode *mdcl;

		mdcl = dmap_structure_add (mccr, DMAP_CC_MDCL);
		dmap_structure_add (mdcl, DMAP_CC_MCNM, dmap_content_code_string_as_int32(defs[i].string));
		dmap_structure_add (mdcl, DMAP_CC_MCNA, defs[i].name);
		dmap_structure_add (mdcl, DMAP_CC_MCTY, (gint32) defs[i].type);
	}

987
	_dmap_share_message_set_from_dmap_structure (share, message, mccr);
988 989 990 991
	dmap_structure_destroy (mccr);
}

void
992
_dmap_share_login (DMAPShare *share,
993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007
	  SoupServer        *server,
	  SoupMessage       *message,
	  const char        *path,
	  GHashTable        *query,
	  SoupClientContext *context)
{
/* MLOG login response
 * 	MSTT status
 * 	MLID session id
 */
	GNode *mlog;
	guint32 session_id;

	g_debug ("Path is %s.", path);

1008
	session_id = _dmap_share_session_id_create (share, context);
1009 1010 1011 1012 1013

	mlog = dmap_structure_add (NULL, DMAP_CC_MLOG);
	dmap_structure_add (mlog, DMAP_CC_MSTT, (gint32) DMAP_STATUS_OK);
	dmap_structure_add (mlog, DMAP_CC_MLID, session_id);

1014
	_dmap_share_message_set_from_dmap_structure (share, message, mlog);
1015 1016 1017 1018
	dmap_structure_destroy (mlog);
}

void
1019
_dmap_share_logout (DMAPShare *share,
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030
	   SoupServer        *server,
	   SoupMessage       *message,
	   const char        *path,
	   GHashTable        *query,
	   SoupClientContext *context)
{
	int     status;
	guint32 id;

	g_debug ("Path is %s.", path);

1031 1032
	if (_dmap_share_session_id_validate (share, context, message, query, &id)) {
		_dmap_share_session_id_remove (share, context, id);
1033 1034 1035 1036 1037 1038 1039 1040 1041 1042

		status = SOUP_STATUS_NO_CONTENT;
	} else {
		status = SOUP_STATUS_FORBIDDEN;
	}

	soup_message_set_status (message, status);
}

void
1043
_dmap_share_update (DMAPShare *share,
1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054
	   SoupServer        *server,
	   SoupMessage       *message,
	   const char        *path,
	   GHashTable        *query,
	   SoupClientContext *context)
{
	guint    revision_number;
	gboolean res;

	g_debug ("Path is %s.", path);

1055
	res = _dmap_share_get_revision_number_from_query (query, &revision_number);
1056

1057
	if (res && revision_number != _dmap_share_get_revision_number (share)) {
1058 1059 1060 1061 1062 1063 1064 1065
		/* MUPD update response
		 * 	MSTT status
		 * 	MUSR server revision
		 */
		GNode *mupd;

		mupd = dmap_structure_add (NULL, DMAP_CC_MUPD);
		dmap_structure_add (mupd, DMAP_CC_MSTT, (gint32) DMAP_STATUS_OK);
1066
		dmap_structure_add (mupd, DMAP_CC_MUSR, (gint32) _dmap_share_get_revision_number (share));
1067

1068
		_dmap_share_message_set_from_dmap_structure (share, message, mupd);
1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079
		dmap_structure_destroy (mupd);
	} else {
		/* FIXME: This seems like a bug. It just leaks the
		 * message (and socket) without ever replying.
		 */
		g_object_ref (message);
		soup_server_pause_message (server, message);
	}
}

bitwise
1080
_dmap_share_parse_meta_str (const char *attrs, struct DMAPMetaDataMap *mdm)
1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094
{
	guint i;
	bitwise bits = 0;

	/* iTunes 8 uses meta=all for /databases/1/items query: */
	if (strcmp (attrs, "all") == 0) {
		bits = ~0;
	} else {
		gchar **attrsv;
	
		attrsv = g_strsplit (attrs, ",", -1);

		for (i = 0; attrsv[i]; i++) {
			guint j;
1095
			gboolean found = FALSE;
1096

1097
			for (j = 0; mdm[j].tag; j++) {
1098 1099
				if (strcmp (mdm[j].tag, attrsv[i]) == 0) {
					bits |= (((bitwise) 1) << mdm[j].md);
1100
					found = TRUE;
1101 1102
				}
			}
1103 1104 1105

			if (found == FALSE)
				g_debug ("Unknown meta request: %s", attrsv[i]);
1106 1107 1108 1109 1110 1111 1112 1113
		}
		g_strfreev (attrsv);
	}	

	return bits;
}

bitwise
1114
_dmap_share_parse_meta (GHashTable *query, struct DMAPMetaDataMap *mdm)
1115 1116 1117 1118 1119 1120 1121
{
	const gchar *attrs;

	attrs = g_hash_table_lookup (query, "meta");
	if (attrs == NULL) {
		return 0;
	}
1122
	return _dmap_share_parse_meta_str (attrs, mdm);
1123 1124 1125
}

void
1126
_dmap_share_add_playlist_to_mlcl (gpointer id, DMAPContainerRecord *record, gpointer _mb)
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136
{
	/* MLIT listing item
	 * MIID item id
	 * MPER persistent item id
	 * MINM item name
	 * MIMC item count
	 */
	GNode *mlit;
	guint num_songs;
	gchar *name;
1137
	struct MLCL_Bits *mb = (struct MLCL_Bits *) _mb;
1138 1139 1140 1141

	num_songs = dmap_container_record_get_entry_count (record);
	g_object_get (record, "name", &name, NULL);

1142 1143 1144 1145 1146
	/* FIXME: ITEM_ID, etc. is defined in DAAPShare, so I can't use
	 * with _dmap_share_client_requested() here (see add_entry_to_mlcl())
	 */

	mlit = dmap_structure_add (mb->mlcl, DMAP_CC_MLIT);
1147 1148 1149 1150 1151 1152
	dmap_structure_add (mlit, DMAP_CC_MIID, dmap_container_record_get_id (record));
	/* we don't have a persistant ID for playlists, unfortunately */
	dmap_structure_add (mlit, DMAP_CC_MPER, (gint64) dmap_container_record_get_id (record));
	dmap_structure_add (mlit, DMAP_CC_MINM, name);
	dmap_structure_add (mlit, DMAP_CC_MIMC, (gint32) num_songs);

W. Michael Petullo's avatar
W. Michael Petullo committed
1153 1154 1155 1156 1157 1158 1159 1160
	/* FIXME: Is this getting music-specific? */
	dmap_structure_add (mlit, DMAP_CC_FQUESCH, 0);
	dmap_structure_add (mlit, DMAP_CC_MPCO, 0);
	dmap_structure_add (mlit, DMAP_CC_AESP, 0);
	dmap_structure_add (mlit, DMAP_CC_AEPP, 0);
	dmap_structure_add (mlit, DMAP_CC_AEPS, 0);
	dmap_structure_add (mlit, DMAP_CC_AESG, 0);

1161 1162
	g_free (name);

1163 1164
	return;
} 
1165

1166
GSList *
W. Michael Petullo's avatar
W. Michael Petullo committed
1167
_dmap_share_build_filter (gchar *filterstr)
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184
{
	/* Produces a list of lists, each being a filter definition that may
	 * be one or more filter criteria.
	 */

	/* A filter string looks like (iTunes):
	 * 'daap.songgenre:Other'+'daap.songartist:Band'.
	 * or (Roku):
	 * 'daap.songgenre:Other' 'daap.songartist:Band'.
	 * or
         * 'dmap.itemid:1000'
	 * or
         * 'dmap.itemid:1000','dmap:itemid:1001'
	 * or
	 * 'daap.songgenre:Foo'+'daap.songartist:Bar'+'daap.songalbum:Baz'
	 * or (iPhoto '09)
	 * ('daap.idemid:1000','dmap:itemid:1001')
1185 1186
	 * or (DACP):
	 * ('com.apple.itunes.mediakind:1','com.apple.itunes.mediakind:32') 'daap.songartist!:'
1187 1188
         */

1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200
	gchar *next_char;
	GString *value;
	//gboolean save_value;
	gboolean is_key;
	gboolean is_value;
	gboolean new_group;
	gboolean accept;
	gboolean negate;
	gint parentheses_count;
	gint quotes_count;
	FilterDefinition *def;
	
1201
	GSList *list = NULL;
1202
	GSList *filter = NULL;
1203 1204 1205

	g_debug ("Filter string is %s.", filterstr);

1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
	if (filterstr == NULL)
		return NULL;
	
	next_char = filterstr;
	
	parentheses_count = 0;
	quotes_count = 0;
	is_key = TRUE;
	is_value = FALSE;
	new_group = FALSE;
	negate = FALSE;
	value = NULL;
	def = NULL;
	
	// The query string is divided in groups of AND separated by a space,
	// each group containing queries of OR separated by comma enclosed in
	// parentheses. Queries are key, value pairs separated by ':' enclosed 
	// in quotes or not.
	// The result from this is a list of lists. Here is an example:
	// String is ('com.apple.itunes.mediakind:1','com.apple.itunes.mediakind:32') 'daap.songartist!:'
	// list:
	// |-> filter1: -> com.apple.itunes.mediakind = 1
	// |   |        -> com.apple.itunes.mediakind = 32
	// |-> filter1: -> daap.songartist! = (null)
	// This basically means that the query is (filter1 AND filter2), and
	// filter1 is (com.apple.itunes.mediakind = 1) OR (com.apple.itunes.mediakind = 32)
	while (TRUE) {
		// We check each character to see if it should be included in
		// the current value (the current value will become the query key
		// or the query value). Anything that is not a special character
		// handled below will be accepted (this means weird characters
		// might appear in names).
		// Handling of unicode characters is unknown, but as long it 
		// doesn't appear as a character handled below, it will be
		// included.
		// This parser will result in unknown behaviour on bad-formatted
		// queries (it does not check for syntax errors), but should not 
		// crash. In this way it may accept much more syntaxes then
		// other parsers.
		accept = FALSE;
		// A slash can escape characters such as ', so add the character
		// after the slash.
		if (*next_char == '\\') {
			accept = TRUE;
			next_char++;
		} else {
			switch (*next_char) {
				case '(':
1254 1255 1256 1257 1258
					if (is_value) {
						accept = TRUE;
					} else {
						parentheses_count++;
					}
1259 1260
					break;
				case ')':
1261 1262 1263 1264 1265
					if (is_value) {
						accept = TRUE;
					} else {
						parentheses_count--;
					}
1266 1267 1268 1269 1270 1271 1272 1273 1274
					break;
				case '\'':
					if (quotes_count > 0) {
						quotes_count = 0;
					} else {
						quotes_count = 1;
					}
					break;
				case ' ':
1275
					if (is_value) {
1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
						accept = TRUE;
					} else {
						new_group = TRUE;
					}
					break;
				case ':':
					// Inside values, they will be included in the 
					// query string, otherwise it indicates there
					// will be a value next.
					if (is_value) {
						accept = TRUE;
					} else if (is_key) {
						is_value = TRUE;
					}
					break;
1291 1292 1293 1294 1295 1296 1297
				case '!':
					if (is_value) {
						accept = TRUE;
					} else if (is_key && value) {
						negate = TRUE;
					}
					break;
1298 1299
				case ',':
				case '+':
1300 1301 1302 1303 1304
					// Accept these characters only if inside quotes
					if (is_value) {
						accept = TRUE;
					}
					break;
1305
				case '\0':
1306
					// Never accept
1307 1308 1309
					break;
				default:
					accept = TRUE;
1310
					break;
1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326
			}
		}
		//g_debug ("Char: %c, Accept: %s", *next_char, accept?"TRUE":"FALSE");
		//Is the next character to be accepted?
		if (accept) {
			if (!value) {
				value = g_string_new ("");
			}
			g_string_append_c (value, *next_char);
		} else if (value != NULL && *next_char != '!') {
			// If we won't accept this character, we are ending a 
			// query key or value, so we should save them in a new
			// FilterDefinition. If is_value is TRUE, we will still
			// parse the query value, so we must keep our def around.
			// Otherwise, save it in the list of filters.
			if (!def) {
1327
				def = g_new0 (FilterDefinition, 1);
1328
			}
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
			if (is_key) {
				def->key = value->str;
				g_string_free (value, FALSE);
				def->negate = negate;
				negate = FALSE;
				is_key = FALSE;
			} else {
				def->value = value->str;
				g_string_free (value, FALSE);
				is_value = FALSE;
				is_key = TRUE;
			}
			value = NULL;
			if (!is_value) {
				filter = g_slist_append (filter, def);
				def = NULL;
			}
		}
		if (new_group && filter) {
1348
			list = g_slist_append (list, filter);
1349 1350
			filter = NULL;
			new_group = FALSE;
1351
		}
1352 1353 1354 1355 1356 1357 1358 1359 1360
		// Only handle \0 here so we can handle remaining values above.
		if (*next_char == '\0')
			break;
		next_char++;
	};

	// Any remaining def or filter must still be handled here.
	if (def) {
		filter = g_slist_append (filter, def);
1361
	}
1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373
	
	if (filter) {
		list = g_slist_append (list, filter);
	}	

	GSList *ptr1, *ptr2;

        for (ptr1 = list; ptr1 != NULL; ptr1 = ptr1->next) {
                for (ptr2 = ptr1->data; ptr2 != NULL; ptr2 = ptr2->next) {
                	g_debug ("%s = %s", ((FilterDefinition *) ptr2->data)->key, ((FilterDefinition *) ptr2->data)->value);
                }
        }
1374 1375 1376 1377

        return list;
}

1378 1379
void
dmap_share_free_filter (GSList *filter)
1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390
{
        GSList *ptr1, *ptr2;

        for (ptr1 = filter; ptr1 != NULL; ptr1 = ptr1->next) {
                for (ptr2 = ptr1->data; ptr2 != NULL; ptr2 = ptr2->next) {
                        g_free (((FilterDefinition *) ptr2->data)->value);
                        g_free (ptr2->data);
                }
        }
}

1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430
typedef struct {
	gchar *name;
	gint64 group_id;
	gchar *artist;
	int count;
} GroupInfo;

static void
group_items (gpointer key, DMAPRecord *record, GHashTable *groups)
{
	gchar *album, *artist;
	GroupInfo *group_info;
	gint64 group_id;
	
	g_object_get (record, "songartist", &artist, "songalbum", &album, "songalbumid", &group_id, NULL);
	if (!album) {
		g_free (artist);
		return;
	}
	group_info = g_hash_table_lookup (groups, album);
	if (!group_info) {
		group_info = g_new0 (GroupInfo, 1);
		g_hash_table_insert (groups, album, group_info);
		// They will be freed when the hash table is freed.
		group_info->name = album;
		group_info->artist = artist;
		group_info->group_id = group_id;
	} else {
		g_free (album);
		g_free (artist);
	}
	(group_info->count)++;
}

static gint
group_info_cmp (gconstpointer group1, gconstpointer group2) 
{
	return g_ascii_strcasecmp (((GroupInfo*)group1)->name, ((GroupInfo*)group2)->name);
}

1431 1432 1433 1434 1435 1436
static void
debug_param (gpointer key, gpointer val, gpointer user_data)
{
        g_debug ("%s %s", (char *) key, (char *) val);
}

1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452
void
_dmap_share_ctrl_int (DMAPShare *share,
		      SoupServer        *server,
		      SoupMessage       *message,
		      const char        *path,
		      GHashTable        *query,
		      SoupClientContext *context)
{
	g_debug ("Path is %s.", path);
	if (query) {
		g_hash_table_foreach (query, debug_param, NULL);
	}
	
	g_debug ("ctrl-int not implemented");
}

1453 1454 1455 1456 1457 1458 1459 1460 1461
static void
accumulate_mlcl_size (gpointer id,
		      DMAPRecord *record,
		      gpointer mb)
{
	/* Make copy and set mlcl to NULL so real MLCL does not get changed */
	struct MLCL_Bits mb_copy = *((struct MLCL_Bits *) mb);
	mb_copy.mlcl = dmap_structure_add (NULL, DMAP_CC_MLCL);;

1462 1463 1464 1465 1466 1467 1468
	DMAP_SHARE_GET_CLASS (((struct MLCL_Bits *) mb)->user_data2)->add_entry_to_mlcl (id, record, &mb_copy);
	*((guint *) ((struct MLCL_Bits *) mb)->user_data1) += dmap_structure_get_size(mb_copy.mlcl);

	/* Minus eight because we do not want to add size of MLCL CC field + size field n times,
	 * where n == number of records.
	 */
	*((guint *) ((struct MLCL_Bits *) mb)->user_data1) -= 8;
1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482