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