libsoup/soup-session.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * soup-session.c
   4  *
   5  * Copyright (C) 2000-2003, Ximian, Inc.
   6  */
   7
   8 #ifdef HAVE_CONFIG_H
   9 #include <config.h>
  10 #endif
  11
  12 #include <unistd.h>
  13 #include <string.h>
  14 #include <stdlib.h>
  15
  16 #include "soup-auth.h"
  17 #include "soup-session.h"
  18 #include "soup-connection.h"
  19 #include "soup-connection-ntlm.h"
  20 #include "soup-marshal.h"
  21 #include "soup-message-filter.h"
  22 #include "soup-message-private.h"
  23 #include "soup-message-queue.h"
  24 #include "soup-ssl.h"
  25 #include "soup-uri.h"
  26
  27 typedef struct {
  28         SoupUri    *root_uri;
  29
  30         GSList     *connections;      /* CONTAINS: SoupConnection */
  31         guint       num_conns;
  32
  33         GHashTable *auth_realms;      /* path -> scheme:realm */
  34         GHashTable *auths;            /* scheme:realm -> SoupAuth */
  35 } SoupSessionHost;
  36
  37 typedef struct {
  38         SoupUri *proxy_uri;
  39         guint max_conns, max_conns_per_host;
  40         gboolean use_ntlm;
  41
  42         char *ssl_ca_file;
  43         SoupSSLCredentials *ssl_creds;
  44
  45         GSList *filters;
  46
  47         GHashTable *hosts; /* SoupUri -> SoupSessionHost */
  48         GHashTable *conns; /* SoupConnection -> SoupSessionHost */
  49         guint num_conns;
  50
  51         SoupSessionHost *proxy_host;
  52
  53         /* Must hold the host_lock before potentially creating a
  54          * new SoupSessionHost, or adding/removing a connection.
  55          * Must not emit signals or destroy objects while holding it.
  56          */
  57         GMutex *host_lock;
  58
  59         GMainContext *async_context;
  60
  61         /* Holds the timeout value for the connection, when
  62            no response is received.
  63         */
  64         guint timeout;
  65 } SoupSessionPrivate;
  66 #define SOUP_SESSION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SOUP_TYPE_SESSION, SoupSessionPrivate))
  67
  68 static guint    host_uri_hash  (gconstpointer key);
  69 static gboolean host_uri_equal (gconstpointer v1, gconstpointer v2);
  70 static void     free_host      (SoupSessionHost *host);
  71
  72 static void setup_message   (SoupMessageFilter *filter, SoupMessage *msg);
  73
  74 static void queue_message   (SoupSession *session, SoupMessage *msg,
  75                              SoupMessageCallbackFn callback,
  76                              gpointer user_data);
  77 static void requeue_message (SoupSession *session, SoupMessage *msg);
  78 static void cancel_message  (SoupSession *session, SoupMessage *msg);
  79
  80 #define SOUP_SESSION_MAX_CONNS_DEFAULT 10
  81 #define SOUP_SESSION_MAX_CONNS_PER_HOST_DEFAULT 4
  82
  83 static void filter_iface_init (SoupMessageFilterClass *filter_class);
  84
  85 G_DEFINE_TYPE_EXTENDED (SoupSession, soup_session, G_TYPE_OBJECT, 0,
  86                         G_IMPLEMENT_INTERFACE (SOUP_TYPE_MESSAGE_FILTER,
  87                                                filter_iface_init))
  88
  89 enum {
  90         AUTHENTICATE,
  91         REAUTHENTICATE,
  92         LAST_SIGNAL
  93 };
  94
  95 static guint signals[LAST_SIGNAL] = { 0 };
  96
  97 enum {
  98         PROP_0,
  99
 100         PROP_PROXY_URI,
 101         PROP_MAX_CONNS,
 102         PROP_MAX_CONNS_PER_HOST,
 103         PROP_USE_NTLM,
 104         PROP_SSL_CA_FILE,
 105         PROP_ASYNC_CONTEXT,
 106         PROP_TIMEOUT,
 107
 108         LAST_PROP
 109 };
 110
 111 static void set_property (GObject *object, guint prop_id,
 112                           const GValue *value, GParamSpec *pspec);
 113 static void get_property (GObject *object, guint prop_id,
 114                           GValue *value, GParamSpec *pspec);
 115
 116 static void
 117 soup_session_init (SoupSession *session)
 118 {
 119         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 120
 121         session->queue = soup_message_queue_new ();
 122
 123         priv->host_lock = g_mutex_new ();
 124         priv->hosts = g_hash_table_new (host_uri_hash, host_uri_equal);
 125         priv->conns = g_hash_table_new (NULL, NULL);
 126
 127         priv->max_conns = SOUP_SESSION_MAX_CONNS_DEFAULT;
 128         priv->max_conns_per_host = SOUP_SESSION_MAX_CONNS_PER_HOST_DEFAULT;
 129
 130         priv->timeout = 0;
 131 }
 132
 133 static gboolean
 134 foreach_free_host (gpointer key, gpointer host, gpointer data)
 135 {
 136         free_host (host);
 137         return TRUE;
 138 }
 139
 140 static void
 141 cleanup_hosts (SoupSessionPrivate *priv)
 142 {
 143         GHashTable *old_hosts;
 144
 145         g_mutex_lock (priv->host_lock);
 146         old_hosts = priv->hosts;
 147         priv->hosts = g_hash_table_new (host_uri_hash, host_uri_equal);
 148         g_mutex_unlock (priv->host_lock);
 149
 150         g_hash_table_foreach_remove (old_hosts, foreach_free_host, NULL);
 151         g_hash_table_destroy (old_hosts);
 152 }
 153
 154 static void
 155 dispose (GObject *object)
 156 {
 157         SoupSession *session = SOUP_SESSION (object);
 158         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 159         GSList *f;
 160
 161         soup_session_abort (session);
 162         cleanup_hosts (priv);
 163
 164         if (priv->filters) {
 165                 for (f = priv->filters; f; f = f->next)
 166                         g_object_unref (f->data);
 167                 g_slist_free (priv->filters);
 168                 priv->filters = NULL;
 169         }
 170
 171         G_OBJECT_CLASS (soup_session_parent_class)->dispose (object);
 172 }
 173
 174 static void
 175 finalize (GObject *object)
 176 {
 177         SoupSession *session = SOUP_SESSION (object);
 178         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 179
 180         soup_message_queue_destroy (session->queue);
 181
 182         g_mutex_free (priv->host_lock);
 183         g_hash_table_destroy (priv->hosts);
 184         g_hash_table_destroy (priv->conns);
 185
 186         if (priv->proxy_uri)
 187                 soup_uri_free (priv->proxy_uri);
 188         if (priv->proxy_host)
 189                 free_host (priv->proxy_host);
 190
 191         if (priv->ssl_creds)
 192                 soup_ssl_free_client_credentials (priv->ssl_creds);
 193
 194         if (priv->async_context)
 195                 g_main_context_unref (priv->async_context);
 196
 197         G_OBJECT_CLASS (soup_session_parent_class)->finalize (object);
 198 }
 199
 200 static void
 201 soup_session_class_init (SoupSessionClass *session_class)
 202 {
 203         GObjectClass *object_class = G_OBJECT_CLASS (session_class);
 204
 205         g_type_class_add_private (session_class, sizeof (SoupSessionPrivate));
 206
 207         /* virtual method definition */
 208         session_class->queue_message = queue_message;
 209         session_class->requeue_message = requeue_message;
 210         session_class->cancel_message = cancel_message;
 211
 212         /* virtual method override */
 213         object_class->dispose = dispose;
 214         object_class->finalize = finalize;
 215         object_class->set_property = set_property;
 216         object_class->get_property = get_property;
 217
 218         /* signals */
 219
 220         /**
 221          * SoupSession::authenticate:
 222          * @session: the session
 223          * @msg: the #SoupMessage being sent
 224          * @auth_type: the authentication type
 225          * @auth_realm: the realm being authenticated to
 226          * @username: the signal handler should set this to point to
 227          * the provided username
 228          * @password: the signal handler should set this to point to
 229          * the provided password
 230          *
 231          * Emitted when the session requires authentication. The
 232          * credentials may come from the user, or from cached
 233          * information. If no credentials are available, leave
 234          * @username and @password unchanged.
 235          *
 236          * If the provided credentials fail, the #reauthenticate
 237          * signal will be emitted.
 238          **/
 239         signals[AUTHENTICATE] =
 240                 g_signal_new ("authenticate",
 241                               G_OBJECT_CLASS_TYPE (object_class),
 242                               G_SIGNAL_RUN_FIRST,
 243                               G_STRUCT_OFFSET (SoupSessionClass, authenticate),
 244                               NULL, NULL,
 245                               soup_marshal_NONE__OBJECT_STRING_STRING_POINTER_POINTER,
 246                               G_TYPE_NONE, 5,
 247                               SOUP_TYPE_MESSAGE,
 248                               G_TYPE_STRING,
 249                               G_TYPE_STRING,
 250                               G_TYPE_POINTER,
 251                               G_TYPE_POINTER);
 252
 253         /**
 254          * SoupSession::reauthenticate:
 255          * @session: the session
 256          * @msg: the #SoupMessage being sent
 257          * @auth_type: the authentication type
 258          * @auth_realm: the realm being authenticated to
 259          * @username: the signal handler should set this to point to
 260          * the provided username
 261          * @password: the signal handler should set this to point to
 262          * the provided password
 263          *
 264          * Emitted when the credentials provided by the application to
 265          * the #authenticate signal have failed. This gives the
 266          * application a second chance to provide authentication
 267          * credentials. If the new credentials also fail, #SoupSession
 268          * will emit #reauthenticate again, and will continue doing so
 269          * until the provided credentials work, or a #reauthenticate
 270          * signal emission "fails" (because the handler left @username
 271          * and @password unchanged). At that point, the 401 or 407
 272          * error status will be returned to the caller.
 273          *
 274          * If your application only uses cached passwords, it should
 275          * only connect to #authenticate, and not #reauthenticate.
 276          *
 277          * If your application always prompts the user for a password,
 278          * and never uses cached information, then you can connect the
 279          * same handler to #authenticate and #reauthenticate.
 280          *
 281          * To get standard web-browser behavior, return either cached
 282          * information or a user-provided password (whichever is
 283          * available) from the #authenticate handler, but return only
 284          * user-provided information from the #reauthenticate handler.
 285          **/
 286         signals[REAUTHENTICATE] =
 287                 g_signal_new ("reauthenticate",
 288                               G_OBJECT_CLASS_TYPE (object_class),
 289                               G_SIGNAL_RUN_FIRST,
 290                               G_STRUCT_OFFSET (SoupSessionClass, reauthenticate),
 291                               NULL, NULL,
 292                               soup_marshal_NONE__OBJECT_STRING_STRING_POINTER_POINTER,
 293                               G_TYPE_NONE, 5,
 294                               SOUP_TYPE_MESSAGE,
 295                               G_TYPE_STRING,
 296                               G_TYPE_STRING,
 297                               G_TYPE_POINTER,
 298                               G_TYPE_POINTER);
 299
 300         /* properties */
 301         g_object_class_install_property (
 302                 object_class, PROP_PROXY_URI,
 303                 g_param_spec_pointer (SOUP_SESSION_PROXY_URI,
 304                                       "Proxy URI",
 305                                       "The HTTP Proxy to use for this session",
 306                                       G_PARAM_READWRITE));
 307         g_object_class_install_property (
 308                 object_class, PROP_MAX_CONNS,
 309                 g_param_spec_int (SOUP_SESSION_MAX_CONNS,
 310                                   "Max Connection Count",
 311                                   "The maximum number of connections that the session can open at once",
 312                                   1,
 313                                   G_MAXINT,
 314                                   10,
 315                                   G_PARAM_READWRITE));
 316         g_object_class_install_property (
 317                 object_class, PROP_MAX_CONNS_PER_HOST,
 318                 g_param_spec_int (SOUP_SESSION_MAX_CONNS_PER_HOST,
 319                                   "Max Per-Host Connection Count",
 320                                   "The maximum number of connections that the session can open at once to a given host",
 321                                   1,
 322                                   G_MAXINT,
 323                                   4,
 324                                   G_PARAM_READWRITE));
 325         g_object_class_install_property (
 326                 object_class, PROP_USE_NTLM,
 327                 g_param_spec_boolean (SOUP_SESSION_USE_NTLM,
 328                                       "Use NTLM",
 329                                       "Whether or not to use NTLM authentication",
 330                                       FALSE,
 331                                       G_PARAM_READWRITE));
 332         g_object_class_install_property (
 333                 object_class, PROP_SSL_CA_FILE,
 334                 g_param_spec_string (SOUP_SESSION_SSL_CA_FILE,
 335                                      "SSL CA file",
 336                                      "File containing SSL CA certificates",
 337                                      NULL,
 338                                      G_PARAM_READWRITE));
 339         g_object_class_install_property (
 340                 object_class, PROP_ASYNC_CONTEXT,
 341                 g_param_spec_pointer (SOUP_SESSION_ASYNC_CONTEXT,
 342                                       "Async GMainContext",
 343                                       "The GMainContext to dispatch async I/O in",
 344                                       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 345         g_object_class_install_property (
 346                 object_class, PROP_TIMEOUT,
 347                 g_param_spec_uint (SOUP_SESSION_TIMEOUT,
 348                                    "Timeout value",
 349                                    "Value in seconds to timeout a blocking I/O",
 350                                    0, G_MAXUINT, 0,
 351                                    G_PARAM_READWRITE));
 352 }
 353
 354 static void
 355 filter_iface_init (SoupMessageFilterClass *filter_class)
 356 {
 357         /* interface implementation */
 358         filter_class->setup_message = setup_message;
 359 }
 360
 361
 362 static gboolean
 363 safe_uri_equal (const SoupUri *a, const SoupUri *b)
 364 {
 365         if (!a && !b)
 366                 return TRUE;
 367
 368         if ((a && !b) || (b && !a))
 369                 return FALSE;
 370
 371         return soup_uri_equal (a, b);
 372 }
 373
 374 static gboolean
 375 safe_str_equal (const char *a, const char *b)
 376 {
 377         if (!a && !b)
 378                 return TRUE;
 379
 380         if ((a && !b) || (b && !a))
 381                 return FALSE;
 382
 383         return strcmp (a, b) == 0;
 384 }
 385
 386 static void
 387 set_property (GObject *object, guint prop_id,
 388               const GValue *value, GParamSpec *pspec)
 389 {
 390         SoupSession *session = SOUP_SESSION (object);
 391         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 392         gpointer pval;
 393         gboolean need_abort = FALSE;
 394         gboolean ca_file_changed = FALSE;
 395         const char *new_ca_file;
 396
 397         switch (prop_id) {
 398         case PROP_PROXY_URI:
 399                 pval = g_value_get_pointer (value);
 400
 401                 if (!safe_uri_equal (priv->proxy_uri, pval))
 402                         need_abort = TRUE;
 403
 404                 if (priv->proxy_uri)
 405                         soup_uri_free (priv->proxy_uri);
 406
 407                 priv->proxy_uri = pval ? soup_uri_copy (pval) : NULL;
 408
 409                 if (need_abort) {
 410                         soup_session_abort (session);
 411                         cleanup_hosts (priv);
 412                 }
 413
 414                 break;
 415         case PROP_MAX_CONNS:
 416                 priv->max_conns = g_value_get_int (value);
 417                 break;
 418         case PROP_MAX_CONNS_PER_HOST:
 419                 priv->max_conns_per_host = g_value_get_int (value);
 420                 break;
 421         case PROP_USE_NTLM:
 422                 priv->use_ntlm = g_value_get_boolean (value);
 423                 break;
 424         case PROP_SSL_CA_FILE:
 425                 new_ca_file = g_value_get_string (value);
 426
 427                 if (!safe_str_equal (priv->ssl_ca_file, new_ca_file))
 428                         ca_file_changed = TRUE;
 429
 430                 g_free (priv->ssl_ca_file);
 431                 priv->ssl_ca_file = g_strdup (new_ca_file);
 432
 433                 if (ca_file_changed) {
 434                         if (priv->ssl_creds) {
 435                                 soup_ssl_free_client_credentials (priv->ssl_creds);
 436                                 priv->ssl_creds = NULL;
 437                         }
 438
 439                         cleanup_hosts (priv);
 440                 }
 441
 442                 break;
 443         case PROP_ASYNC_CONTEXT:
 444                 priv->async_context = g_value_get_pointer (value);
 445                 if (priv->async_context)
 446                         g_main_context_ref (priv->async_context);
 447                 break;
 448         case PROP_TIMEOUT:
 449                 priv->timeout = g_value_get_uint (value);
 450                 break;
 451         default:
 452                 break;
 453         }
 454 }
 455
 456 static void
 457 get_property (GObject *object, guint prop_id,
 458               GValue *value, GParamSpec *pspec)
 459 {
 460         SoupSession *session = SOUP_SESSION (object);
 461         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 462
 463         switch (prop_id) {
 464         case PROP_PROXY_URI:
 465                 g_value_set_pointer (value, priv->proxy_uri ?
 466                                      soup_uri_copy (priv->proxy_uri) :
 467                                      NULL);
 468                 break;
 469         case PROP_MAX_CONNS:
 470                 g_value_set_int (value, priv->max_conns);
 471                 break;
 472         case PROP_MAX_CONNS_PER_HOST:
 473                 g_value_set_int (value, priv->max_conns_per_host);
 474                 break;
 475         case PROP_USE_NTLM:
 476                 g_value_set_boolean (value, priv->use_ntlm);
 477                 break;
 478         case PROP_SSL_CA_FILE:
 479                 g_value_set_string (value, priv->ssl_ca_file);
 480                 break;
 481         case PROP_ASYNC_CONTEXT:
 482                 g_value_set_pointer (value, priv->async_context ? g_main_context_ref (priv->async_context) : NULL);
 483                 break;
 484         case PROP_TIMEOUT:
 485                 g_value_set_uint (value, priv->timeout);
 486                 break;
 487         default:
 488                 break;
 489         }
 490 }
 491
 492
 493 /**
 494  * soup_session_add_filter:
 495  * @session: a #SoupSession
 496  * @filter: an object implementing the #SoupMessageFilter interface
 497  *
 498  * Adds @filter to @session's list of message filters to be applied to
 499  * all messages.
 500  **/
 501 void
 502 soup_session_add_filter (SoupSession *session, SoupMessageFilter *filter)
 503 {
 504         SoupSessionPrivate *priv;
 505
 506         g_return_if_fail (SOUP_IS_SESSION (session));
 507         g_return_if_fail (SOUP_IS_MESSAGE_FILTER (filter));
 508         priv = SOUP_SESSION_GET_PRIVATE (session);
 509
 510         g_object_ref (filter);
 511         priv->filters = g_slist_prepend (priv->filters, filter);
 512 }
 513
 514 /**
 515  * soup_session_remove_filter:
 516  * @session: a #SoupSession
 517  * @filter: an object implementing the #SoupMessageFilter interface
 518  *
 519  * Removes @filter from @session's list of message filters
 520  **/
 521 void
 522 soup_session_remove_filter (SoupSession *session, SoupMessageFilter *filter)
 523 {
 524         SoupSessionPrivate *priv;
 525
 526         g_return_if_fail (SOUP_IS_SESSION (session));
 527         g_return_if_fail (SOUP_IS_MESSAGE_FILTER (filter));
 528         priv = SOUP_SESSION_GET_PRIVATE (session);
 529
 530         priv->filters = g_slist_remove (priv->filters, filter);
 531         g_object_unref (filter);
 532 }
 533
 534
 535 /* Hosts */
 536 static guint
 537 host_uri_hash (gconstpointer key)
 538 {
 539         const SoupUri *uri = key;
 540
 541         return (uri->protocol << 16) + uri->port + g_str_hash (uri->host);
 542 }
 543
 544 static gboolean
 545 host_uri_equal (gconstpointer v1, gconstpointer v2)
 546 {
 547         const SoupUri *one = v1;
 548         const SoupUri *two = v2;
 549
 550         if (one->protocol != two->protocol)
 551                 return FALSE;
 552         if (one->port != two->port)
 553                 return FALSE;
 554
 555         return strcmp (one->host, two->host) == 0;
 556 }
 557
 558 static SoupSessionHost *
 559 soup_session_host_new (SoupSession *session, const SoupUri *source_uri)
 560 {
 561         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 562         SoupSessionHost *host;
 563
 564         host = g_new0 (SoupSessionHost, 1);
 565         host->root_uri = soup_uri_copy_root (source_uri);
 566
 567         if (host->root_uri->protocol == SOUP_PROTOCOL_HTTPS &&
 568             !priv->ssl_creds) {
 569                 priv->ssl_creds =
 570                         soup_ssl_get_client_credentials (priv->ssl_ca_file);
 571         }
 572
 573         return host;
 574 }
 575
 576 /* Note: get_host_for_message doesn't lock the host_lock. The caller
 577  * must do it itself if there's a chance the host doesn't already
 578  * exist.
 579  */
 580 static SoupSessionHost *
 581 get_host_for_message (SoupSession *session, SoupMessage *msg)
 582 {
 583         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 584         SoupSessionHost *host;
 585         const SoupUri *source = soup_message_get_uri (msg);
 586
 587         host = g_hash_table_lookup (priv->hosts, source);
 588         if (host)
 589                 return host;
 590
 591         host = soup_session_host_new (session, source);
 592         g_hash_table_insert (priv->hosts, host->root_uri, host);
 593
 594         return host;
 595 }
 596
 597 /* Note: get_proxy_host doesn't lock the host_lock. The caller must do
 598  * it itself if there's a chance the host doesn't already exist.
 599  */
 600 static SoupSessionHost *
 601 get_proxy_host (SoupSession *session)
 602 {
 603         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 604
 605         if (priv->proxy_host || !priv->proxy_uri)
 606                 return priv->proxy_host;
 607
 608         priv->proxy_host =
 609                 soup_session_host_new (session, priv->proxy_uri);
 610         return priv->proxy_host;
 611 }
 612
 613 static void
 614 free_realm (gpointer path, gpointer scheme_realm, gpointer data)
 615 {
 616         g_free (path);
 617         g_free (scheme_realm);
 618 }
 619
 620 static void
 621 free_auth (gpointer scheme_realm, gpointer auth, gpointer data)
 622 {
 623         g_free (scheme_realm);
 624         g_object_unref (auth);
 625 }
 626
 627 static void
 628 free_host (SoupSessionHost *host)
 629 {
 630         while (host->connections) {
 631                 SoupConnection *conn = host->connections->data;
 632
 633                 host->connections = g_slist_remove (host->connections, conn);
 634                 soup_connection_disconnect (conn);
 635         }
 636
 637         if (host->auth_realms) {
 638                 g_hash_table_foreach (host->auth_realms, free_realm, NULL);
 639                 g_hash_table_destroy (host->auth_realms);
 640         }
 641         if (host->auths) {
 642                 g_hash_table_foreach (host->auths, free_auth, NULL);
 643                 g_hash_table_destroy (host->auths);
 644         }
 645
 646         soup_uri_free (host->root_uri);
 647         g_free (host);
 648 }
 649
 650 /* Authentication */
 651
 652 static SoupAuth *
 653 lookup_auth (SoupSession *session, SoupMessage *msg, gboolean proxy)
 654 {
 655         SoupSessionHost *host;
 656         char *path, *dir;
 657         const char *realm, *const_path;
 658
 659         if (proxy) {
 660                 host = get_proxy_host (session);
 661                 const_path = "/";
 662         } else {
 663                 host = get_host_for_message (session, msg);
 664                 const_path = soup_message_get_uri (msg)->path;
 665
 666                 if (!const_path)
 667                         const_path = "/";
 668         }
 669         g_return_val_if_fail (host != NULL, NULL);
 670
 671         if (!host->auth_realms)
 672                 return NULL;
 673
 674         path = g_strdup (const_path);
 675         dir = path;
 676         do {
 677                 realm = g_hash_table_lookup (host->auth_realms, path);
 678                 if (realm)
 679                         break;
 680
 681                 dir = strrchr (path, '/');
 682                 if (dir) {
 683                         if (dir[1])
 684                                 dir[1] = '\0';
 685                         else
 686                                 *dir = '\0';
 687                 }
 688         } while (dir);
 689
 690         g_free (path);
 691         if (realm)
 692                 return g_hash_table_lookup (host->auths, realm);
 693         else
 694                 return NULL;
 695 }
 696
 697 static void
 698 invalidate_auth (SoupSessionHost *host, SoupAuth *auth)
 699 {
 700         char *info;
 701         gpointer key, value;
 702
 703         info = soup_auth_get_info (auth);
 704         if (g_hash_table_lookup_extended (host->auths, info, &key, &value) &&
 705             auth == (SoupAuth *)value) {
 706                 g_hash_table_remove (host->auths, info);
 707                 g_free (key);
 708                 g_object_unref (auth);
 709         }
 710         g_free (info);
 711 }
 712
 713 static gboolean
 714 authenticate_auth (SoupSession *session, SoupAuth *auth,
 715                    SoupMessage *msg, gboolean prior_auth_failed,
 716                    gboolean proxy)
 717 {
 718         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 719         const SoupUri *uri;
 720         char *username = NULL, *password = NULL;
 721
 722         if (proxy)
 723                 uri = priv->proxy_uri;
 724         else
 725                 uri = soup_message_get_uri (msg);
 726
 727         if (uri->passwd && !prior_auth_failed) {
 728                 soup_auth_authenticate (auth, uri->user, uri->passwd);
 729                 return TRUE;
 730         }
 731
 732         g_signal_emit (session, signals[prior_auth_failed ? REAUTHENTICATE : AUTHENTICATE], 0,
 733                        msg, soup_auth_get_scheme_name (auth),
 734                        soup_auth_get_realm (auth),
 735                        &username, &password);
 736         if (username || password)
 737                 soup_auth_authenticate (auth, username, password);
 738         if (username)
 739                 g_free (username);
 740         if (password) {
 741                 memset (password, 0, strlen (password));
 742                 g_free (password);
 743         }
 744
 745         return soup_auth_is_authenticated (auth);
 746 }
 747
 748 static gboolean
 749 update_auth_internal (SoupSession *session, SoupMessage *msg,
 750                       const GSList *headers, gboolean proxy)
 751 {
 752         SoupSessionHost *host;
 753         SoupAuth *new_auth, *prior_auth, *old_auth;
 754         gpointer old_path, old_auth_info;
 755         const SoupUri *msg_uri;
 756         const char *path;
 757         char *auth_info;
 758         GSList *pspace, *p;
 759         gboolean prior_auth_failed = FALSE;
 760
 761         if (proxy)
 762                 host = get_proxy_host (session);
 763         else
 764                 host = get_host_for_message (session, msg);
 765
 766         g_return_val_if_fail (host != NULL, FALSE);
 767
 768         /* Try to construct a new auth from the headers; if we can't,
 769          * there's no way we'll be able to authenticate.
 770          */
 771         msg_uri = soup_message_get_uri (msg);
 772         new_auth = soup_auth_new_from_header_list (headers);
 773         if (!new_auth)
 774                 return FALSE;
 775
 776         auth_info = soup_auth_get_info (new_auth);
 777
 778         /* See if this auth is the same auth we used last time */
 779         prior_auth = proxy ? soup_message_get_proxy_auth (msg) : soup_message_get_auth (msg);
 780         if (prior_auth) {
 781                 char *old_auth_info = soup_auth_get_info (prior_auth);
 782
 783                 if (!strcmp (old_auth_info, auth_info)) {
 784                         /* The server didn't like the username/password we
 785                          * provided before. Invalidate it and note this fact.
 786                          */
 787                         invalidate_auth (host, prior_auth);
 788                         prior_auth_failed = TRUE;
 789                 }
 790                 g_free (old_auth_info);
 791         }
 792
 793         if (!host->auth_realms) {
 794                 host->auth_realms = g_hash_table_new (g_str_hash, g_str_equal);
 795                 host->auths = g_hash_table_new (g_str_hash, g_str_equal);
 796         }
 797
 798         /* Record where this auth realm is used. RFC 2617 is somewhat
 799          * unclear about the scope of protection spaces with regard to
 800          * proxies. The only mention of it is as an aside in section
 801          * 3.2.1, where it is defining the fields of a Digest
 802          * challenge and says that the protection space is always the
 803          * entire proxy. Is this the case for all authentication
 804          * schemes or just Digest? Who knows, but we're assuming all.
 805          */
 806         if (proxy)
 807                 pspace = g_slist_prepend (NULL, g_strdup (""));
 808         else
 809                 pspace = soup_auth_get_protection_space (new_auth, msg_uri);
 810
 811         for (p = pspace; p; p = p->next) {
 812                 path = p->data;
 813                 if (g_hash_table_lookup_extended (host->auth_realms, path,
 814                                                   &old_path, &old_auth_info)) {
 815                         g_hash_table_remove (host->auth_realms, old_path);
 816                         g_free (old_path);
 817                         g_free (old_auth_info);
 818                 }
 819
 820                 g_hash_table_insert (host->auth_realms,
 821                                      g_strdup (path), g_strdup (auth_info));
 822         }
 823         soup_auth_free_protection_space (new_auth, pspace);
 824
 825         /* Now, make sure the auth is recorded. (If there's a
 826          * pre-existing auth, we keep that rather than the new one,
 827          * since the old one might already be authenticated.)
 828          */
 829         old_auth = g_hash_table_lookup (host->auths, auth_info);
 830         if (old_auth) {
 831                 g_free (auth_info);
 832                 g_object_unref (new_auth);
 833                 new_auth = old_auth;
 834         } else
 835                 g_hash_table_insert (host->auths, auth_info, new_auth);
 836
 837         /* If we need to authenticate, try to do it. */
 838         if (!soup_auth_is_authenticated (new_auth)) {
 839                 return authenticate_auth (session, new_auth,
 840                                           msg, prior_auth_failed, proxy);
 841         }
 842
 843         /* Otherwise we're good. */
 844         return TRUE;
 845 }
 846
 847 static void
 848 connection_authenticate (SoupConnection *conn, SoupMessage *msg,
 849                          const char *auth_type, const char *auth_realm,
 850                          char **username, char **password, gpointer session)
 851 {
 852         g_signal_emit (session, signals[AUTHENTICATE], 0,
 853                        msg, auth_type, auth_realm, username, password);
 854 }
 855
 856 static void
 857 connection_reauthenticate (SoupConnection *conn, SoupMessage *msg,
 858                            const char *auth_type, const char *auth_realm,
 859                            char **username, char **password,
 860                            gpointer user_data)
 861 {
 862         g_signal_emit (conn, signals[REAUTHENTICATE], 0,
 863                        msg, auth_type, auth_realm, username, password);
 864 }
 865
 866
 867 static void
 868 authorize_handler (SoupMessage *msg, gpointer user_data)
 869 {
 870         SoupSession *session = user_data;
 871         const GSList *headers;
 872         gboolean proxy;
 873
 874         if (msg->status_code == SOUP_STATUS_PROXY_AUTHENTICATION_REQUIRED) {
 875                 headers = soup_message_get_header_list (msg->response_headers,
 876                                                         "Proxy-Authenticate");
 877                 proxy = TRUE;
 878         } else {
 879                 headers = soup_message_get_header_list (msg->response_headers,
 880                                                         "WWW-Authenticate");
 881                 proxy = FALSE;
 882         }
 883         if (!headers)
 884                 return;
 885
 886         if (update_auth_internal (session, msg, headers, proxy))
 887                 soup_session_requeue_message (session, msg);
 888 }
 889
 890 static void
 891 redirect_handler (SoupMessage *msg, gpointer user_data)
 892 {
 893         SoupSession *session = user_data;
 894         const char *new_loc;
 895         SoupUri *new_uri;
 896
 897         new_loc = soup_message_get_header (msg->response_headers, "Location");
 898         if (!new_loc)
 899                 return;
 900
 901         /* Location is supposed to be an absolute URI, but some sites
 902          * are lame, so we use soup_uri_new_with_base().
 903          */
 904         new_uri = soup_uri_new_with_base (soup_message_get_uri (msg), new_loc);
 905         if (!new_uri) {
 906                 soup_message_set_status_full (msg,
 907                                               SOUP_STATUS_MALFORMED,
 908                                               "Invalid Redirect URL");
 909                 return;
 910         }
 911
 912         soup_message_set_uri (msg, new_uri);
 913         soup_uri_free (new_uri);
 914
 915         soup_session_requeue_message (session, msg);
 916 }
 917
 918 static void
 919 add_auth (SoupSession *session, SoupMessage *msg, gboolean proxy)
 920 {
 921         SoupAuth *auth;
 922
 923         auth = lookup_auth (session, msg, proxy);
 924         if (auth && !soup_auth_is_authenticated (auth)) {
 925                 if (!authenticate_auth (session, auth, msg, FALSE, proxy))
 926                         auth = NULL;
 927         }
 928
 929         if (proxy)
 930                 soup_message_set_proxy_auth (msg, auth);
 931         else
 932                 soup_message_set_auth (msg, auth);
 933 }
 934
 935 static void
 936 setup_message (SoupMessageFilter *filter, SoupMessage *msg)
 937 {
 938         SoupSession *session = SOUP_SESSION (filter);
 939         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 940         GSList *f;
 941
 942         for (f = priv->filters; f; f = f->next) {
 943                 filter = f->data;
 944                 soup_message_filter_setup_message (filter, msg);
 945         }
 946
 947         add_auth (session, msg, FALSE);
 948         soup_message_add_status_code_handler (
 949                 msg, SOUP_STATUS_UNAUTHORIZED,
 950                 SOUP_HANDLER_POST_BODY,
 951                 authorize_handler, session);
 952
 953         if (priv->proxy_uri) {
 954                 add_auth (session, msg, TRUE);
 955                 soup_message_add_status_code_handler  (
 956                         msg, SOUP_STATUS_PROXY_UNAUTHORIZED,
 957                         SOUP_HANDLER_POST_BODY,
 958                         authorize_handler, session);
 959         }
 960 }
 961
 962 static void
 963 find_oldest_connection (gpointer key, gpointer host, gpointer data)
 964 {
 965         SoupConnection *conn = key, **oldest = data;
 966
 967         /* Don't prune a connection that is currently in use, or
 968          * hasn't been used yet.
 969          */
 970         if (soup_connection_is_in_use (conn) ||
 971             soup_connection_last_used (conn) == 0)
 972                 return;
 973
 974         if (!*oldest || (soup_connection_last_used (conn) <
 975                          soup_connection_last_used (*oldest)))
 976                 *oldest = conn;
 977 }
 978
 979 /**
 980  * soup_session_try_prune_connection:
 981  * @session: a #SoupSession
 982  *
 983  * Finds the least-recently-used idle connection in @session and closes
 984  * it.
 985  *
 986  * Return value: %TRUE if a connection was closed, %FALSE if there are
 987  * no idle connections.
 988  **/
 989 gboolean
 990 soup_session_try_prune_connection (SoupSession *session)
 991 {
 992         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 993         SoupConnection *oldest = NULL;
 994
 995         g_mutex_lock (priv->host_lock);
 996         g_hash_table_foreach (priv->conns, find_oldest_connection,
 997                               &oldest);
 998         if (oldest) {
 999                 /* Ref the connection before unlocking the mutex in
1000                  * case someone else tries to prune it too.
1001                  */
1002                 g_object_ref (oldest);
1003                 g_mutex_unlock (priv->host_lock);
1004                 soup_connection_disconnect (oldest);
1005                 g_object_unref (oldest);
1006                 return TRUE;
1007         } else {
1008                 g_mutex_unlock (priv->host_lock);
1009                 return FALSE;
1010         }
1011 }
1012
1013 static void
1014 connection_disconnected (SoupConnection *conn, gpointer user_data)
1015 {
1016         SoupSession *session = user_data;
1017         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1018         SoupSessionHost *host;
1019
1020         g_mutex_lock (priv->host_lock);
1021
1022         host = g_hash_table_lookup (priv->conns, conn);
1023         if (host) {
1024                 g_hash_table_remove (priv->conns, conn);
1025                 host->connections = g_slist_remove (host->connections, conn);
1026                 host->num_conns--;
1027         }
1028
1029         g_signal_handlers_disconnect_by_func (conn, connection_disconnected, session);
1030         priv->num_conns--;
1031
1032         g_mutex_unlock (priv->host_lock);
1033         g_object_unref (conn);
1034 }
1035
1036 static void
1037 connect_result (SoupConnection *conn, guint status, gpointer user_data)
1038 {
1039         SoupSession *session = user_data;
1040         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1041         SoupSessionHost *host;
1042         SoupMessageQueueIter iter;
1043         SoupMessage *msg;
1044
1045         g_mutex_lock (priv->host_lock);
1046
1047         host = g_hash_table_lookup (priv->conns, conn);
1048         if (!host) {
1049                 g_mutex_unlock (priv->host_lock);
1050                 return;
1051         }
1052
1053         if (status == SOUP_STATUS_OK) {
1054                 soup_connection_reserve (conn);
1055                 host->connections = g_slist_prepend (host->connections, conn);
1056                 g_mutex_unlock (priv->host_lock);
1057                 return;
1058         }
1059
1060         /* The connection failed. */
1061         g_mutex_unlock (priv->host_lock);
1062         connection_disconnected (conn, session);
1063
1064         if (host->connections) {
1065                 /* Something went wrong this time, but we have at
1066                  * least one open connection to this host. So just
1067                  * leave the message in the queue so it can use that
1068                  * connection once it's free.
1069                  */
1070                 return;
1071         }
1072
1073         /* There are two possibilities: either status is
1074          * SOUP_STATUS_TRY_AGAIN, in which case the session implementation
1075          * will create a new connection (and all we need to do here
1076          * is downgrade the message from CONNECTING to QUEUED); or
1077          * status is something else, probably CANT_CONNECT or
1078          * CANT_RESOLVE or the like, in which case we need to cancel
1079          * any messages waiting for this host, since they're out
1080          * of luck.
1081          */
1082         for (msg = soup_message_queue_first (session->queue, &iter); msg; msg = soup_message_queue_next (session->queue, &iter)) {
1083                 if (get_host_for_message (session, msg) == host) {
1084                         if (status == SOUP_STATUS_TRY_AGAIN) {
1085                                 if (msg->status == SOUP_MESSAGE_STATUS_CONNECTING)
1086                                         msg->status = SOUP_MESSAGE_STATUS_QUEUED;
1087                         } else {
1088                                 soup_message_set_status (msg, status);
1089                                 soup_session_cancel_message (session, msg);
1090                         }
1091                 }
1092         }
1093 }
1094
1095 /**
1096  * soup_session_get_connection:
1097  * @session: a #SoupSession
1098  * @msg: a #SoupMessage
1099  * @try_pruning: on return, whether or not to try pruning a connection
1100  * @is_new: on return, %TRUE if the returned connection is new and not
1101  * yet connected
1102  *
1103  * Tries to find or create a connection for @msg; this is an internal
1104  * method for #SoupSession subclasses.
1105  *
1106  * If there is an idle connection to the relevant host available, then
1107  * that connection will be returned (with *@is_new set to %FALSE). The
1108  * connection will be marked "reserved", so the caller must call
1109  * soup_connection_release() if it ends up not using the connection
1110  * right away.
1111  *
1112  * If there is no idle connection available, but it is possible to
1113  * create a new connection, then one will be created and returned,
1114  * with *@is_new set to %TRUE. The caller MUST then call
1115  * soup_connection_connect_sync() or soup_connection_connect_async()
1116  * to connect it. If the connection attempt succeeds, the connection
1117  * will be marked "reserved" and added to @session's connection pool
1118  * once it connects. If the connection attempt fails, the connection
1119  * will be unreffed.
1120  *
1121  * If no connection is available and a new connection cannot be made,
1122  * soup_session_get_connection() will return %NULL. If @session has
1123  * the maximum number of open connections open, but does not have the
1124  * maximum number of per-host connections open to the relevant host,
1125  * then *@try_pruning will be set to %TRUE. In this case, the caller
1126  * can call soup_session_try_prune_connection() to close an idle
1127  * connection, and then try soup_session_get_connection() again. (If
1128  * calling soup_session_try_prune_connection() wouldn't help, then
1129  * *@try_pruning is left untouched; it is NOT set to %FALSE.)
1130  *
1131  * Return value: a #SoupConnection, or %NULL
1132  **/
1133 SoupConnection *
1134 soup_session_get_connection (SoupSession *session, SoupMessage *msg,
1135                              gboolean *try_pruning, gboolean *is_new)
1136 {
1137         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1138         SoupConnection *conn;
1139         SoupSessionHost *host;
1140         GSList *conns;
1141
1142         g_mutex_lock (priv->host_lock);
1143
1144         host = get_host_for_message (session, msg);
1145         for (conns = host->connections; conns; conns = conns->next) {
1146                 if (!soup_connection_is_in_use (conns->data)) {
1147                         soup_connection_reserve (conns->data);
1148                         g_mutex_unlock (priv->host_lock);
1149                         *is_new = FALSE;
1150                         return conns->data;
1151                 }
1152         }
1153
1154         if (msg->status == SOUP_MESSAGE_STATUS_CONNECTING) {
1155                 /* We already started a connection for this
1156                  * message, so don't start another one.
1157                  */
1158                 g_mutex_unlock (priv->host_lock);
1159                 return NULL;
1160         }
1161
1162         if (host->num_conns >= priv->max_conns_per_host) {
1163                 g_mutex_unlock (priv->host_lock);
1164                 return NULL;
1165         }
1166
1167         if (priv->num_conns >= priv->max_conns) {
1168                 *try_pruning = TRUE;
1169                 g_mutex_unlock (priv->host_lock);
1170                 return NULL;
1171         }
1172
1173         /* Make sure priv->proxy_host gets set now while
1174          * we have the host_lock.
1175          */
1176         if (priv->proxy_uri)
1177                 get_proxy_host (session);
1178
1179         conn = g_object_new (
1180                 (priv->use_ntlm ?
1181                  SOUP_TYPE_CONNECTION_NTLM : SOUP_TYPE_CONNECTION),
1182                 SOUP_CONNECTION_ORIGIN_URI, host->root_uri,
1183                 SOUP_CONNECTION_PROXY_URI, priv->proxy_uri,
1184                 SOUP_CONNECTION_SSL_CREDENTIALS, priv->ssl_creds,
1185                 SOUP_CONNECTION_MESSAGE_FILTER, session,
1186                 SOUP_CONNECTION_ASYNC_CONTEXT, priv->async_context,
1187                 SOUP_CONNECTION_TIMEOUT, priv->timeout,
1188                 NULL);
1189         g_signal_connect (conn, "connect_result",
1190                           G_CALLBACK (connect_result),
1191                           session);
1192         g_signal_connect (conn, "disconnected",
1193                           G_CALLBACK (connection_disconnected),
1194                           session);
1195         g_signal_connect (conn, "authenticate",
1196                           G_CALLBACK (connection_authenticate),
1197                           session);
1198         g_signal_connect (conn, "reauthenticate",
1199                           G_CALLBACK (connection_reauthenticate),
1200                           session);
1201
1202         g_hash_table_insert (priv->conns, conn, host);
1203
1204         /* We increment the connection counts so it counts against the
1205          * totals, but we don't add it to the host's connection list
1206          * yet, since it's not ready for use.
1207          */
1208         priv->num_conns++;
1209         host->num_conns++;
1210
1211         /* Mark the request as connecting, so we don't try to open
1212          * another new connection for it while waiting for this one.
1213          */
1214         msg->status = SOUP_MESSAGE_STATUS_CONNECTING;
1215
1216         g_mutex_unlock (priv->host_lock);
1217         *is_new = TRUE;
1218         return conn;
1219 }
1220
1221 static void
1222 message_finished (SoupMessage *msg, gpointer user_data)
1223 {
1224         SoupSession *session = user_data;
1225
1226         if (!SOUP_MESSAGE_IS_STARTING (msg)) {
1227                 soup_message_queue_remove_message (session->queue, msg);
1228                 g_signal_handlers_disconnect_by_func (msg, message_finished, session);
1229         }
1230 }
1231
1232 static void
1233 queue_message (SoupSession *session, SoupMessage *msg,
1234                SoupMessageCallbackFn callback, gpointer user_data)
1235 {
1236         g_signal_connect_after (msg, "finished",
1237                                 G_CALLBACK (message_finished), session);
1238
1239         if (!(soup_message_get_flags (msg) & SOUP_MESSAGE_NO_REDIRECT)) {
1240                 soup_message_add_status_class_handler (
1241                         msg, SOUP_STATUS_CLASS_REDIRECT,
1242                         SOUP_HANDLER_POST_BODY,
1243                         redirect_handler, session);
1244         }
1245
1246         msg->status = SOUP_MESSAGE_STATUS_QUEUED;
1247         soup_message_queue_append (session->queue, msg);
1248 }
1249
1250 /**
1251  * soup_session_queue_message:
1252  * @session: a #SoupSession
1253  * @msg: the message to queue
1254  * @callback: a #SoupMessageCallbackFn which will be called after the
1255  * message completes or when an unrecoverable error occurs.
1256  * @user_data: a pointer passed to @callback.
1257  *
1258  * Queues the message @msg for sending. All messages are processed
1259  * while the glib main loop runs. If @msg has been processed before,
1260  * any resources related to the time it was last sent are freed.
1261  *
1262  * Upon message completion, the callback specified in @callback will
1263  * be invoked (in the thread associated with @session's async
1264  * context). If after returning from this callback the message has not
1265  * been requeued, @msg will be unreffed.
1266  */
1267 void
1268 soup_session_queue_message (SoupSession *session, SoupMessage *msg,
1269                             SoupMessageCallbackFn callback, gpointer user_data)
1270 {
1271         g_return_if_fail (SOUP_IS_SESSION (session));
1272         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1273
1274         SOUP_SESSION_GET_CLASS (session)->queue_message (session, msg,
1275                                                          callback, user_data);
1276 }
1277
1278 static void
1279 requeue_message (SoupSession *session, SoupMessage *msg)
1280 {
1281         msg->status = SOUP_MESSAGE_STATUS_QUEUED;
1282 }
1283
1284 /**
1285  * soup_session_requeue_message:
1286  * @session: a #SoupSession
1287  * @msg: the message to requeue
1288  *
1289  * This causes @msg to be placed back on the queue to be attempted
1290  * again.
1291  **/
1292 void
1293 soup_session_requeue_message (SoupSession *session, SoupMessage *msg)
1294 {
1295         g_return_if_fail (SOUP_IS_SESSION (session));
1296         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1297
1298         SOUP_SESSION_GET_CLASS (session)->requeue_message (session, msg);
1299 }
1300
1301
1302 /**
1303  * soup_session_send_message:
1304  * @session: a #SoupSession
1305  * @msg: the message to send
1306  *
1307  * Synchronously send @msg. This call will not return until the
1308  * transfer is finished successfully or there is an unrecoverable
1309  * error.
1310  *
1311  * @msg is not freed upon return.
1312  *
1313  * Return value: the HTTP status code of the response
1314  */
1315 guint
1316 soup_session_send_message (SoupSession *session, SoupMessage *msg)
1317 {
1318         g_return_val_if_fail (SOUP_IS_SESSION (session), SOUP_STATUS_MALFORMED);
1319         g_return_val_if_fail (SOUP_IS_MESSAGE (msg), SOUP_STATUS_MALFORMED);
1320
1321         return SOUP_SESSION_GET_CLASS (session)->send_message (session, msg);
1322 }
1323
1324
1325 static void
1326 cancel_message (SoupSession *session, SoupMessage *msg)
1327 {
1328         soup_message_queue_remove_message (session->queue, msg);
1329         soup_message_finished (msg);
1330 }
1331
1332 /**
1333  * soup_session_cancel_message:
1334  * @session: a #SoupSession
1335  * @msg: the message to cancel
1336  *
1337  * Causes @session to immediately finish processing @msg. You should
1338  * set a status code on @msg with soup_message_set_status() before
1339  * calling this function.
1340  **/
1341 void
1342 soup_session_cancel_message (SoupSession *session, SoupMessage *msg)
1343 {
1344         g_return_if_fail (SOUP_IS_SESSION (session));
1345         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1346
1347         SOUP_SESSION_GET_CLASS (session)->cancel_message (session, msg);
1348 }
1349
1350 static void
1351 gather_conns (gpointer key, gpointer host, gpointer data)
1352 {
1353         SoupConnection *conn = key;
1354         GSList **conns = data;
1355
1356         *conns = g_slist_prepend (*conns, conn);
1357 }
1358
1359 /**
1360  * soup_session_abort:
1361  * @session: the session
1362  *
1363  * Cancels all pending requests in @session.
1364  **/
1365 void
1366 soup_session_abort (SoupSession *session)
1367 {
1368         SoupSessionPrivate *priv;
1369         SoupMessageQueueIter iter;
1370         SoupMessage *msg;
1371         GSList *conns, *c;
1372
1373         g_return_if_fail (SOUP_IS_SESSION (session));
1374         priv = SOUP_SESSION_GET_PRIVATE (session);
1375
1376         for (msg = soup_message_queue_first (session->queue, &iter); msg; msg = soup_message_queue_next (session->queue, &iter)) {
1377                 soup_message_set_status (msg, SOUP_STATUS_CANCELLED);
1378                 soup_session_cancel_message (session, msg);
1379         }
1380
1381         /* Close all connections */
1382         g_mutex_lock (priv->host_lock);
1383         conns = NULL;
1384         g_hash_table_foreach (priv->conns, gather_conns, &conns);
1385
1386         for (c = conns; c; c = c->next)
1387                 g_object_ref (c->data);
1388         g_mutex_unlock (priv->host_lock);
1389         for (c = conns; c; c = c->next) {
1390                 soup_connection_disconnect (c->data);
1391                 g_object_unref (c->data);
1392         }
1393
1394         g_slist_free (conns);
1395 }