|
1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ |
|
2 /* |
|
3 * Copyright (C) 2003-2007 Imendio AB |
|
4 * and/or its subsidiary/subsidiaries. All rights reserved. |
|
5 * Copyright (C) 2007 Collabora Ltd. |
|
6 * |
|
7 * This program is free software; you can redistribute it and/or |
|
8 * modify it under the terms of the GNU Lesser General Public License as |
|
9 * published by the Free Software Foundation; either version 2 of the |
|
10 * License, or (at your option) any later version. |
|
11 * |
|
12 * This program is distributed in the hope that it will be useful, |
|
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
15 * Lesser General Public License for more details. |
|
16 * |
|
17 * You should have received a copy of the GNU Lesser General Public |
|
18 * License along with this program; if not, write to the |
|
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
|
20 * Boston, MA 02111-1307, USA. |
|
21 */ |
|
22 |
|
23 #include <config.h> |
|
24 |
|
25 #include <string.h> |
|
26 #include <sys/stat.h> |
|
27 #include <sys/types.h> |
|
28 #include <fcntl.h> |
|
29 |
|
30 /* Needed on Mac OS X */ |
|
31 #if HAVE_NETINET_IN_H |
|
32 #include <netinet/in.h> |
|
33 #endif |
|
34 |
|
35 #include <arpa/nameser.h> |
|
36 //#include <resolv.h> |
|
37 |
|
38 #include <glib.h> |
|
39 #include <gdebug.h> |
|
40 |
|
41 #include "lm-sock.h" |
|
42 #include "lm-debug.h" |
|
43 #include "lm-error.h" |
|
44 #include "lm-internals.h" |
|
45 #include "lm-message-queue.h" |
|
46 #include "lm-misc.h" |
|
47 #include "lm-ssl-internals.h" |
|
48 #include "lm-parser.h" |
|
49 #include "lm-sha.h" |
|
50 #include "lm-connection.h" |
|
51 #include "lm-utils.h" |
|
52 #include "lm-socket.h" |
|
53 #include "lm-sasl.h" |
|
54 |
|
55 #define IN_BUFFER_SIZE 1024 |
|
56 //#define SRV_LEN 8192 |
|
57 #define SRV_LEN 2048 // check the actual value needed here! - MeCo |
|
58 |
|
59 typedef struct { |
|
60 LmHandlerPriority priority; |
|
61 LmMessageHandler *handler; |
|
62 } HandlerData; |
|
63 |
|
64 struct _LmConnection { |
|
65 /* Parameters */ |
|
66 GMainContext *context; |
|
67 gchar *server; |
|
68 gchar *jid; |
|
69 gchar *effective_jid; |
|
70 guint port; |
|
71 gboolean use_srv; |
|
72 |
|
73 LmSocket *socket; |
|
74 LmSSL *ssl; |
|
75 LmProxy *proxy; |
|
76 LmParser *parser; |
|
77 |
|
78 gchar *stream_id; |
|
79 |
|
80 GHashTable *id_handlers; |
|
81 GSList *handlers[LM_MESSAGE_TYPE_UNKNOWN]; |
|
82 |
|
83 /* XMPP1.0 stuff (SASL, resource binding, StartTLS) */ |
|
84 gboolean use_sasl; |
|
85 LmSASL *sasl; |
|
86 gchar *resource; |
|
87 LmMessageHandler *features_cb; |
|
88 LmMessageHandler *starttls_cb; |
|
89 gboolean tls_started; |
|
90 |
|
91 /* Communication */ |
|
92 guint open_id; |
|
93 LmCallback *open_cb; |
|
94 |
|
95 gboolean async_connect_waiting; |
|
96 gboolean blocking; |
|
97 |
|
98 gboolean cancel_open; |
|
99 LmCallback *auth_cb; |
|
100 |
|
101 LmCallback *disconnect_cb; |
|
102 |
|
103 LmMessageQueue *queue; |
|
104 |
|
105 LmConnectionState state; |
|
106 |
|
107 guint keep_alive_rate; |
|
108 GSource *keep_alive_source; |
|
109 |
|
110 gint ref_count; |
|
111 }; |
|
112 |
|
113 typedef enum { |
|
114 AUTH_TYPE_PLAIN = 1, |
|
115 AUTH_TYPE_DIGEST = 2, |
|
116 AUTH_TYPE_0K = 4 |
|
117 } AuthType; |
|
118 |
|
119 #define XMPP_NS_BIND "urn:ietf:params:xml:ns:xmpp-bind" |
|
120 #define XMPP_NS_SESSION "urn:ietf:params:xml:ns:xmpp-session" |
|
121 #define XMPP_NS_STARTTLS "urn:ietf:params:xml:ns:xmpp-tls" |
|
122 |
|
123 static void connection_free (LmConnection *connection); |
|
124 |
|
125 |
|
126 static void connection_handle_message (LmConnection *connection, |
|
127 LmMessage *message); |
|
128 |
|
129 static void connection_new_message_cb (LmParser *parser, |
|
130 LmMessage *message, |
|
131 LmConnection *connection); |
|
132 static gboolean connection_do_open (LmConnection *connection, |
|
133 GError **error); |
|
134 void connection_do_close (LmConnection *connection); |
|
135 |
|
136 |
|
137 static LmMessage * connection_create_auth_req_msg (const gchar *username); |
|
138 static LmMessage * connection_create_auth_msg (LmConnection *connection, |
|
139 const gchar *username, |
|
140 const gchar *password, |
|
141 const gchar *resource, |
|
142 gint auth_type); |
|
143 static LmHandlerResult connection_auth_req_reply (LmMessageHandler *handler, |
|
144 LmConnection *connection, |
|
145 LmMessage *m, |
|
146 gpointer user_data); |
|
147 static int connection_check_auth_type (LmMessage *auth_req_rpl); |
|
148 |
|
149 static LmHandlerResult |
|
150 connection_auth_reply (LmMessageHandler *handler, |
|
151 LmConnection *connection, |
|
152 LmMessage *m, |
|
153 gpointer user_data); |
|
154 |
|
155 static void connection_stream_received (LmConnection *connection, |
|
156 LmMessage *m); |
|
157 static void connection_stream_error (LmConnection *connection, |
|
158 LmMessage *m); |
|
159 |
|
160 static gint connection_handler_compare_func (HandlerData *a, |
|
161 HandlerData *b); |
|
162 static gboolean connection_send_keep_alive (LmConnection *connection); |
|
163 static void connection_start_keep_alive (LmConnection *connection); |
|
164 static void connection_stop_keep_alive (LmConnection *connection); |
|
165 static gboolean connection_send (LmConnection *connection, |
|
166 const gchar *str, |
|
167 gint len, |
|
168 GError **error); |
|
169 static void connection_message_queue_cb (LmMessageQueue *queue, |
|
170 LmConnection *connection); |
|
171 static void connection_signal_disconnect (LmConnection *connection, |
|
172 LmDisconnectReason reason); |
|
173 static void connection_incoming_data (LmSocket *socket, |
|
174 const gchar *buf, |
|
175 LmConnection *connection); |
|
176 static void connection_socket_closed_cb (LmSocket *socket, |
|
177 LmDisconnectReason reason, |
|
178 LmConnection *connection); |
|
179 static void connection_socket_connect_cb (LmSocket *socket, |
|
180 gboolean result, |
|
181 LmConnection *connection); |
|
182 |
|
183 static gboolean connection_get_server_from_jid (const gchar *jid, |
|
184 gchar **server); |
|
185 static void connection_send_stream_header (LmConnection *connection); |
|
186 static LmHandlerResult connection_features_cb (LmMessageHandler *handler, |
|
187 LmConnection *connection, |
|
188 LmMessage *message, |
|
189 gpointer user_data); |
|
190 |
|
191 static void |
|
192 connection_free (LmConnection *connection) |
|
193 { |
|
194 int i; |
|
195 |
|
196 g_free (connection->server); |
|
197 g_free (connection->jid); |
|
198 g_free (connection->effective_jid); |
|
199 g_free (connection->stream_id); |
|
200 g_free (connection->resource); |
|
201 |
|
202 if (connection->sasl) { |
|
203 lm_sasl_free (connection->sasl); |
|
204 } |
|
205 |
|
206 if (connection->parser) { |
|
207 lm_parser_free (connection->parser); |
|
208 } |
|
209 |
|
210 /* Unref handlers */ |
|
211 for (i = 0; i < LM_MESSAGE_TYPE_UNKNOWN; ++i) { |
|
212 GSList *l; |
|
213 |
|
214 for (l = connection->handlers[i]; l; l = l->next) { |
|
215 HandlerData *hd = (HandlerData *) l->data; |
|
216 |
|
217 lm_message_handler_unref (hd->handler); |
|
218 g_free (hd); |
|
219 } |
|
220 |
|
221 g_slist_free (connection->handlers[i]); |
|
222 } |
|
223 |
|
224 g_hash_table_destroy (connection->id_handlers); |
|
225 if (connection->state >= LM_CONNECTION_STATE_OPENING) { |
|
226 connection_do_close (connection); |
|
227 } |
|
228 |
|
229 if (connection->open_cb) { |
|
230 _lm_utils_free_callback (connection->open_cb); |
|
231 } |
|
232 |
|
233 if (connection->auth_cb) { |
|
234 _lm_utils_free_callback (connection->auth_cb); |
|
235 } |
|
236 |
|
237 lm_connection_set_disconnect_function (connection, NULL, NULL, NULL); |
|
238 |
|
239 if (connection->proxy) { |
|
240 lm_proxy_unref (connection->proxy); |
|
241 } |
|
242 |
|
243 lm_message_queue_unref (connection->queue); |
|
244 |
|
245 if (connection->context) { |
|
246 g_main_context_unref (connection->context); |
|
247 } |
|
248 |
|
249 if (connection->socket) { |
|
250 lm_socket_unref (connection->socket); |
|
251 } |
|
252 |
|
253 g_free (connection); |
|
254 } |
|
255 |
|
256 static void |
|
257 connection_handle_message (LmConnection *connection, LmMessage *m) |
|
258 { |
|
259 LmMessageHandler *handler; |
|
260 GSList *l; |
|
261 const gchar *id; |
|
262 LmHandlerResult result = LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS; |
|
263 |
|
264 lm_connection_ref (connection); |
|
265 lm_verbose("[connection_handle_message]: Inside\n"); |
|
266 lm_verbose("msg type:[%d]\n", lm_message_get_type (m)); |
|
267 id = lm_message_node_get_attribute (m->node, "id"); |
|
268 if(id) |
|
269 { |
|
270 lm_verbose("handlemsg node id: %s\n", id); |
|
271 } |
|
272 if (lm_message_get_type (m) == LM_MESSAGE_TYPE_STREAM) { |
|
273 lm_verbose("[connection_handle_message]: Stream received\n"); |
|
274 lm_verbose("[connection_handle_message]: calling connection_stream_received \n"); |
|
275 connection_stream_received (connection, m); |
|
276 lm_verbose("[connection_handle_message]: CALLED connection_stream_received \n"); |
|
277 goto out; |
|
278 } |
|
279 |
|
280 if ((lm_message_get_sub_type (m) == LM_MESSAGE_SUB_TYPE_ERROR) || |
|
281 (lm_message_get_sub_type (m) == LM_MESSAGE_SUB_TYPE_RESULT)) { |
|
282 id = lm_message_node_get_attribute (m->node, "id"); |
|
283 |
|
284 lm_verbose("[connection_handle_message]: type is error or result \n"); |
|
285 if (id) { |
|
286 handler = g_hash_table_lookup (connection->id_handlers, id); |
|
287 if (handler) { |
|
288 lm_verbose("[connection_handle_message]: calling the right handler for error/result \n"); |
|
289 result = _lm_message_handler_handle_message (handler, |
|
290 connection, |
|
291 m); |
|
292 lm_verbose("[connection_handle_message]: Called right handler for error/result \n"); |
|
293 g_hash_table_remove (connection->id_handlers, |
|
294 id); |
|
295 } |
|
296 } |
|
297 |
|
298 if (result == LM_HANDLER_RESULT_REMOVE_MESSAGE) { |
|
299 lm_verbose("return from connection_handle_message\n"); |
|
300 goto out; |
|
301 } |
|
302 } |
|
303 lm_verbose("[connection_handle_message]:starting for loop for more handlers\n"); |
|
304 for (l = connection->handlers[lm_message_get_type (m)]; |
|
305 l && result == LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS; |
|
306 l = l->next) { |
|
307 HandlerData *hd = (HandlerData *) l->data; |
|
308 lm_verbose("[connection_handle_message]:inside for loop for more handlers with msg type: %d\n", lm_message_get_type (m)); |
|
309 lm_verbose("[connection_handle_message]:inside for loop with node name: %s\n",lm_message_get_node(m)->name); |
|
310 result = _lm_message_handler_handle_message (hd->handler, |
|
311 connection, |
|
312 m); |
|
313 lm_verbose("[connection_handle_message]:got result from _lm_message_handler_handle_message as :%d\n",result); |
|
314 } |
|
315 lm_verbose("[connection_handle_message]:Ended for loop for more handlers\n"); |
|
316 if (lm_message_get_type (m) == LM_MESSAGE_TYPE_STREAM_ERROR) { |
|
317 lm_verbose("[connection_handle_message]:stream error\n"); |
|
318 connection_stream_error (connection, m); |
|
319 goto out; |
|
320 } |
|
321 |
|
322 out: |
|
323 lm_verbose("[connection_handle_message]:exiting connection_handle_message\n"); |
|
324 lm_connection_unref (connection); |
|
325 lm_verbose("[connection_handle_message]:after unref of connection\n"); |
|
326 return; |
|
327 } |
|
328 |
|
329 static void |
|
330 connection_new_message_cb (LmParser *parser, |
|
331 LmMessage *m, |
|
332 LmConnection *connection) |
|
333 { |
|
334 const gchar *from; |
|
335 |
|
336 lm_message_ref (m); |
|
337 |
|
338 from = lm_message_node_get_attribute (m->node, "from"); |
|
339 if (!from) { |
|
340 from = "unknown"; |
|
341 } |
|
342 |
|
343 lm_verbose ("New message with type=\"%s\" from: %s\n", |
|
344 _lm_message_type_to_string (lm_message_get_type (m)), |
|
345 from); |
|
346 |
|
347 lm_message_queue_push_tail (connection->queue, m); |
|
348 UNUSED_FORMAL_PARAM(parser); |
|
349 } |
|
350 |
|
351 static gboolean |
|
352 connection_send_keep_alive (LmConnection *connection) |
|
353 { |
|
354 lm_verbose ("[connection_send_keep_alive]\n"); |
|
355 if (!connection_send (connection, " ", -1, NULL)) { |
|
356 lm_verbose ("Error while sending keep alive package!\n"); |
|
357 } |
|
358 return TRUE; |
|
359 } |
|
360 |
|
361 static void |
|
362 connection_start_keep_alive (LmConnection *connection) |
|
363 { |
|
364 lm_verbose("[connection_start_keep_alive]:Inside ...."); |
|
365 /* try using TCP keepalives if possible */ |
|
366 if ((connection->keep_alive_rate > 0) && |
|
367 lm_socket_set_keepalive (connection->socket, |
|
368 connection->keep_alive_rate)) { |
|
369 lm_verbose("[connection_start_keep_alive]: timer already active\n"); |
|
370 connection->keep_alive_source = |
|
371 lm_misc_add_timeout (connection->context, |
|
372 connection->keep_alive_rate * 1000, |
|
373 (GSourceFunc) connection_send_keep_alive, |
|
374 connection); |
|
375 return; |
|
376 } |
|
377 |
|
378 if (connection->keep_alive_source) { |
|
379 lm_verbose("[connection_start_keep_alive]:stopping keep alive timer"); |
|
380 connection_stop_keep_alive (connection); |
|
381 } |
|
382 |
|
383 if (connection->keep_alive_rate > 0) { |
|
384 connection->keep_alive_source = |
|
385 lm_misc_add_timeout (connection->context, |
|
386 connection->keep_alive_rate * 1000, |
|
387 (GSourceFunc) connection_send_keep_alive, |
|
388 connection); |
|
389 lm_verbose("[connection_start_keep_alive]: added timer to gsource\n"); |
|
390 } |
|
391 lm_verbose("[connection_start_keep_alive]: ...Exiting connection_start_keep_alive...."); |
|
392 } |
|
393 |
|
394 static void |
|
395 connection_stop_keep_alive (LmConnection *connection) |
|
396 { |
|
397 lm_verbose("[connection_start_keep_alive]:Stopping Keep Alive\n"); |
|
398 if (connection->keep_alive_source) { |
|
399 g_source_destroy (connection->keep_alive_source); |
|
400 } |
|
401 |
|
402 connection->keep_alive_source = NULL; |
|
403 } |
|
404 |
|
405 static gboolean |
|
406 connection_send (LmConnection *connection, |
|
407 const gchar *str, |
|
408 gint len, |
|
409 GError **error) |
|
410 { |
|
411 gint b_written; |
|
412 |
|
413 if (connection->state < LM_CONNECTION_STATE_OPENING) { |
|
414 /* g_log (LM_LOG_DOMAIN,LM_LOG_LEVEL_NET, |
|
415 "Connection is not open.\n"); |
|
416 |
|
417 g_set_error (error, |
|
418 LM_ERROR, |
|
419 LM_ERROR_CONNECTION_NOT_OPEN, |
|
420 "Connection is not open, call lm_connection_open() first");*/ |
|
421 lm_verbose("[connection_send]: Connection is not open call lm_connection_open() first"); |
|
422 return FALSE; |
|
423 } |
|
424 |
|
425 if (len == -1) { |
|
426 len = strlen (str); |
|
427 } |
|
428 |
|
429 //g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_NET, "\nSEND:\n"); |
|
430 //g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_NET, |
|
431 // "-----------------------------------\n"); |
|
432 //g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_NET, "%s\n", str); |
|
433 //g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_NET, |
|
434 // "-----------------------------------\n"); |
|
435 lm_verbose ( "\n[connection_send]: SEND:\n"); |
|
436 lm_verbose ( "-----------------------------------\n"); |
|
437 lm_verbose ( "%s\n", str); |
|
438 lm_verbose ( "-----------------------------------\n"); |
|
439 |
|
440 /* Check to see if there already is an output buffer, if so, add to the |
|
441 buffer and return */ |
|
442 |
|
443 if (lm_socket_output_is_buffered (connection->socket, str, len)) { |
|
444 return TRUE; |
|
445 } |
|
446 |
|
447 b_written = lm_socket_do_write (connection->socket, str, len); |
|
448 |
|
449 lm_verbose("[connection_send]: number of bytes written using lm_socket_do_write is : %d\n",b_written); |
|
450 if (b_written < 0) { |
|
451 lm_verbose("[connection_send]: Since b_written<0 closing the connection\n"); |
|
452 connection_do_close (connection); |
|
453 connection_signal_disconnect (connection, |
|
454 LM_DISCONNECT_REASON_ERROR); |
|
455 g_set_error (error, |
|
456 LM_ERROR, |
|
457 LM_ERROR_CONNECTION_FAILED, |
|
458 "Server closed the connection"); |
|
459 return FALSE; |
|
460 } |
|
461 |
|
462 if (b_written < len) { |
|
463 lm_socket_setup_output_buffer (connection->socket, |
|
464 str + b_written, |
|
465 len - b_written); |
|
466 } |
|
467 |
|
468 return TRUE; |
|
469 } |
|
470 |
|
471 static void |
|
472 connection_message_queue_cb (LmMessageQueue *queue, LmConnection *connection) |
|
473 { |
|
474 LmMessage *m; |
|
475 |
|
476 m = lm_message_queue_pop_nth (connection->queue, 0); |
|
477 |
|
478 if (m) { |
|
479 lm_verbose("In connection_message_queue_cb\n"); |
|
480 connection_handle_message (connection, m); |
|
481 lm_message_unref (m); |
|
482 lm_verbose("After un refing the message\n"); |
|
483 } |
|
484 UNUSED_FORMAL_PARAM(queue); |
|
485 } |
|
486 |
|
487 /* Returns directly */ |
|
488 /* Setups all data needed to start the connection attempts */ |
|
489 static gboolean |
|
490 connection_do_open (LmConnection *connection, GError **error) |
|
491 { |
|
492 gchar *domain = NULL; |
|
493 |
|
494 if (lm_connection_is_open (connection)) { |
|
495 g_set_error (error, |
|
496 LM_ERROR, |
|
497 LM_ERROR_CONNECTION_NOT_OPEN, |
|
498 "Connection is already open, call lm_connection_close() first"); |
|
499 return FALSE; |
|
500 } |
|
501 |
|
502 if (!connection_get_server_from_jid (connection->jid, &domain)) { |
|
503 domain = g_strdup (connection->server); |
|
504 } |
|
505 |
|
506 lm_verbose ("[connection_do_open]: Connecting to: %s:%d\n", connection->server, connection->port); |
|
507 |
|
508 connection->socket = lm_socket_create (connection->context, |
|
509 (IncomingDataFunc) connection_incoming_data, |
|
510 (SocketClosedFunc) connection_socket_closed_cb, |
|
511 (ConnectResultFunc) connection_socket_connect_cb, |
|
512 connection, |
|
513 connection, |
|
514 connection->blocking, |
|
515 connection->server, |
|
516 domain, |
|
517 connection->port, |
|
518 connection->ssl, |
|
519 connection->proxy, |
|
520 error); |
|
521 |
|
522 g_free (domain); |
|
523 lm_verbose ("[connection_do_open]: after lm_socket_create call in connection_do_open"); |
|
524 |
|
525 if (!connection->socket) { |
|
526 return FALSE; |
|
527 } |
|
528 |
|
529 lm_message_queue_attach (connection->queue, connection->context); |
|
530 |
|
531 connection->state = LM_CONNECTION_STATE_OPENING; |
|
532 connection->async_connect_waiting = FALSE; |
|
533 |
|
534 return TRUE; |
|
535 } |
|
536 |
|
537 void |
|
538 connection_do_close (LmConnection *connection) |
|
539 { |
|
540 connection_stop_keep_alive (connection); |
|
541 |
|
542 if (connection->socket) { |
|
543 lm_socket_close (connection->socket); |
|
544 } |
|
545 |
|
546 lm_message_queue_detach (connection->queue); |
|
547 |
|
548 if (!lm_connection_is_open (connection)) { |
|
549 /* lm_connection_is_open is FALSE for state OPENING as well */ |
|
550 connection->state = LM_CONNECTION_STATE_CLOSED; |
|
551 connection->async_connect_waiting = FALSE; |
|
552 return; |
|
553 } |
|
554 |
|
555 connection->state = LM_CONNECTION_STATE_CLOSED; |
|
556 connection->async_connect_waiting = FALSE; |
|
557 if (connection->ssl) { |
|
558 _lm_ssl_close (connection->ssl); |
|
559 } |
|
560 |
|
561 if (connection->sasl) { |
|
562 lm_sasl_free (connection->sasl); |
|
563 connection->sasl = NULL; |
|
564 } |
|
565 } |
|
566 |
|
567 typedef struct { |
|
568 gchar *username; |
|
569 gchar *password; |
|
570 gchar *resource; |
|
571 } AuthReqData; |
|
572 |
|
573 static void |
|
574 auth_req_data_free (AuthReqData *data) |
|
575 { |
|
576 g_free (data->username); |
|
577 g_free (data->password); |
|
578 g_free (data->resource); |
|
579 g_free (data); |
|
580 } |
|
581 |
|
582 static LmMessage * |
|
583 connection_create_auth_req_msg (const gchar *username) |
|
584 { |
|
585 LmMessage *m; |
|
586 LmMessageNode *q_node; |
|
587 |
|
588 m = lm_message_new_with_sub_type (NULL, LM_MESSAGE_TYPE_IQ, |
|
589 LM_MESSAGE_SUB_TYPE_GET); |
|
590 q_node = lm_message_node_add_child (m->node, "query", NULL); |
|
591 lm_message_node_set_attributes (q_node, |
|
592 "xmlns", "jabber:iq:auth", |
|
593 NULL); |
|
594 lm_message_node_add_child (q_node, "username", username); |
|
595 |
|
596 return m; |
|
597 } |
|
598 |
|
599 static LmMessage * |
|
600 connection_create_auth_msg (LmConnection *connection, |
|
601 const gchar *username, |
|
602 const gchar *password, |
|
603 const gchar *resource, |
|
604 gint auth_type) |
|
605 { |
|
606 LmMessage *auth_msg; |
|
607 LmMessageNode *q_node; |
|
608 |
|
609 auth_msg = lm_message_new_with_sub_type (NULL, LM_MESSAGE_TYPE_IQ, |
|
610 LM_MESSAGE_SUB_TYPE_SET); |
|
611 |
|
612 q_node = lm_message_node_add_child (auth_msg->node, "query", NULL); |
|
613 |
|
614 lm_message_node_set_attributes (q_node, |
|
615 "xmlns", "jabber:iq:auth", |
|
616 NULL); |
|
617 |
|
618 lm_message_node_add_child (q_node, "username", username); |
|
619 |
|
620 if (auth_type & AUTH_TYPE_0K) { |
|
621 lm_verbose ("Using 0k auth (not implemented yet)\n"); |
|
622 /* TODO: Should probably use this? */ |
|
623 } |
|
624 |
|
625 if (auth_type & AUTH_TYPE_DIGEST) { |
|
626 gchar *str; |
|
627 const gchar *digest; |
|
628 |
|
629 lm_verbose ("Using digest\n"); |
|
630 str = g_strconcat (connection->stream_id, password, NULL); |
|
631 digest = lm_sha_hash (str); |
|
632 g_free (str); |
|
633 lm_message_node_add_child (q_node, "digest", digest); |
|
634 } |
|
635 else if (auth_type & AUTH_TYPE_PLAIN) { |
|
636 lm_verbose ("Using plaintext auth\n"); |
|
637 lm_message_node_add_child (q_node, "password", password); |
|
638 } else { |
|
639 /* TODO: Report error somehow */ |
|
640 } |
|
641 |
|
642 lm_message_node_add_child (q_node, "resource", resource); |
|
643 |
|
644 return auth_msg; |
|
645 } |
|
646 |
|
647 static LmHandlerResult |
|
648 connection_auth_req_reply (LmMessageHandler *handler, |
|
649 LmConnection *connection, |
|
650 LmMessage *m, |
|
651 gpointer user_data) |
|
652 { |
|
653 int auth_type; |
|
654 LmMessage *auth_msg; |
|
655 LmMessageHandler *auth_handler; |
|
656 AuthReqData *data = (AuthReqData *) user_data; |
|
657 gboolean result; |
|
658 |
|
659 auth_type = connection_check_auth_type (m); |
|
660 |
|
661 auth_msg = connection_create_auth_msg (connection, |
|
662 data->username, |
|
663 data->password, |
|
664 data->resource, |
|
665 auth_type); |
|
666 |
|
667 auth_handler = lm_message_handler_new (connection_auth_reply, |
|
668 NULL, NULL); |
|
669 result = lm_connection_send_with_reply (connection, auth_msg, |
|
670 auth_handler, NULL); |
|
671 lm_message_handler_unref (auth_handler); |
|
672 lm_message_unref (auth_msg); |
|
673 UNUSED_FORMAL_PARAM(handler); |
|
674 UNUSED_FORMAL_PARAM(user_data); |
|
675 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
676 } |
|
677 |
|
678 static int |
|
679 connection_check_auth_type (LmMessage *auth_req_rpl) |
|
680 { |
|
681 LmMessageNode *q_node; |
|
682 gint ret_val = 0; |
|
683 |
|
684 q_node = lm_message_node_get_child (auth_req_rpl->node, "query"); |
|
685 |
|
686 if (!q_node) { |
|
687 return AUTH_TYPE_PLAIN; |
|
688 } |
|
689 |
|
690 if (lm_message_node_get_child (q_node, "password")) { |
|
691 ret_val |= AUTH_TYPE_PLAIN; |
|
692 } |
|
693 |
|
694 if (lm_message_node_get_child (q_node, "digest")) { |
|
695 ret_val |= AUTH_TYPE_DIGEST; |
|
696 } |
|
697 |
|
698 if (lm_message_node_get_child (q_node, "sequence") && |
|
699 lm_message_node_get_child (q_node, "token")) { |
|
700 ret_val |= AUTH_TYPE_0K; |
|
701 } |
|
702 |
|
703 return ret_val; |
|
704 } |
|
705 |
|
706 static LmHandlerResult |
|
707 connection_auth_reply (LmMessageHandler *handler, |
|
708 LmConnection *connection, |
|
709 LmMessage *m, |
|
710 gpointer user_data) |
|
711 { |
|
712 const gchar *type; |
|
713 gboolean result = TRUE; |
|
714 |
|
715 g_return_val_if_fail (connection != NULL, |
|
716 LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS); |
|
717 |
|
718 |
|
719 type = lm_message_node_get_attribute (m->node, "type"); |
|
720 if (strcmp (type, "result") == 0) { |
|
721 result = TRUE; |
|
722 connection->state = LM_CONNECTION_STATE_AUTHENTICATED; |
|
723 } |
|
724 else if (strcmp (type, "error") == 0) { |
|
725 result = FALSE; |
|
726 connection->state = LM_CONNECTION_STATE_OPEN; |
|
727 } |
|
728 |
|
729 lm_verbose ("AUTH reply: %d\n", result); |
|
730 |
|
731 if (connection->auth_cb) { |
|
732 LmCallback *cb = connection->auth_cb; |
|
733 |
|
734 connection->auth_cb = NULL; |
|
735 |
|
736 if (cb->func) { |
|
737 (* ((LmResultFunction) cb->func)) (connection, |
|
738 result, cb->user_data); |
|
739 } |
|
740 |
|
741 _lm_utils_free_callback (cb); |
|
742 } |
|
743 UNUSED_FORMAL_PARAM(handler); |
|
744 UNUSED_FORMAL_PARAM(user_data); |
|
745 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
746 } |
|
747 |
|
748 |
|
749 static LmHandlerResult |
|
750 _lm_connection_starttls_cb (LmMessageHandler *handler, |
|
751 LmConnection *connection, |
|
752 LmMessage *message, |
|
753 gpointer user_data) |
|
754 { |
|
755 if (lm_socket_starttls (connection->socket)) { |
|
756 connection->tls_started = TRUE; |
|
757 connection_send_stream_header (connection); |
|
758 } else { |
|
759 connection_do_close (connection); |
|
760 connection_signal_disconnect (connection, |
|
761 LM_DISCONNECT_REASON_ERROR); |
|
762 } |
|
763 UNUSED_FORMAL_PARAM(message); |
|
764 UNUSED_FORMAL_PARAM(handler); |
|
765 UNUSED_FORMAL_PARAM(user_data); |
|
766 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
767 } |
|
768 |
|
769 static void |
|
770 connection_stream_received (LmConnection *connection, LmMessage *m) |
|
771 { |
|
772 gboolean result; |
|
773 const char *xmpp_version; |
|
774 |
|
775 g_return_if_fail (connection != NULL); |
|
776 g_return_if_fail (m != NULL); |
|
777 |
|
778 connection->stream_id = g_strdup (lm_message_node_get_attribute (m->node, |
|
779 "id"));; |
|
780 |
|
781 xmpp_version = lm_message_node_get_attribute (m->node, "version"); |
|
782 if (xmpp_version && strcmp (xmpp_version, "1.0") == 0) { |
|
783 lm_verbose ("[connection_stream_received]: XMPP 1.0 stream received: %s\n", |
|
784 connection->stream_id); |
|
785 |
|
786 connection->use_sasl = TRUE; |
|
787 |
|
788 /* stream is started multiple times, but we only want |
|
789 * one sasl mechanism */ |
|
790 if (!connection->sasl) |
|
791 connection->sasl = lm_sasl_new(connection); |
|
792 |
|
793 /* if we'd like to use tls and we didn't already start |
|
794 * it, prepare for it now */ |
|
795 if (connection->ssl && |
|
796 lm_ssl_get_use_starttls (connection->ssl) && |
|
797 !connection->starttls_cb) { |
|
798 lm_verbose("[connction_stream_received]: Starttls called"); |
|
799 connection->starttls_cb = |
|
800 lm_message_handler_new (_lm_connection_starttls_cb, |
|
801 NULL, NULL); |
|
802 lm_connection_register_message_handler (connection, |
|
803 connection->starttls_cb, |
|
804 LM_MESSAGE_TYPE_PROCEED, |
|
805 LM_HANDLER_PRIORITY_FIRST); |
|
806 } |
|
807 } else { |
|
808 lm_verbose ("Old Jabber stream received: %s\n", |
|
809 connection->stream_id); |
|
810 } |
|
811 |
|
812 if (connection->state < LM_CONNECTION_STATE_OPEN) { |
|
813 connection->state = LM_CONNECTION_STATE_OPEN; |
|
814 } |
|
815 |
|
816 /* Check to see if the stream is correctly set up */ |
|
817 result = TRUE; |
|
818 |
|
819 // connection_start_keep_alive (connection); //prima |
|
820 |
|
821 if (connection->open_cb) { |
|
822 LmCallback *cb = connection->open_cb; |
|
823 |
|
824 connection->open_cb = NULL; |
|
825 |
|
826 if (cb->func) { |
|
827 (* ((LmResultFunction) cb->func)) (connection, result, |
|
828 cb->user_data); |
|
829 } |
|
830 _lm_utils_free_callback (cb); |
|
831 } |
|
832 } |
|
833 |
|
834 static void |
|
835 connection_stream_error (LmConnection *connection, LmMessage *m) |
|
836 { |
|
837 LmMessageNode *node, *reason_node; |
|
838 LmDisconnectReason reason; |
|
839 |
|
840 g_return_if_fail (connection != NULL); |
|
841 g_return_if_fail (m != NULL); |
|
842 |
|
843 node = m->node; |
|
844 |
|
845 /* Resource conflict */ |
|
846 reason_node = lm_message_node_get_child (node, "conflict"); |
|
847 if (reason_node) { |
|
848 lm_verbose ("Stream error: Conflict (resource connected elsewhere)\n"); |
|
849 reason = LM_DISCONNECT_REASON_RESOURCE_CONFLICT; |
|
850 return; |
|
851 } |
|
852 |
|
853 /* XML is crack */ |
|
854 reason_node = lm_message_node_get_child (node, "xml-not-well-formed"); |
|
855 if (reason_node) { |
|
856 lm_verbose ("Stream error: XML not well formed\n"); |
|
857 reason = LM_DISCONNECT_REASON_INVALID_XML; |
|
858 return; |
|
859 } |
|
860 |
|
861 lm_verbose ("Stream error: Unrecognised error\n"); |
|
862 reason = LM_DISCONNECT_REASON_ERROR; |
|
863 connection->stream_id = g_strdup (lm_message_node_get_attribute (m->node, |
|
864 "id"));; |
|
865 connection_do_close (connection); |
|
866 connection_signal_disconnect (connection, reason); |
|
867 } |
|
868 |
|
869 static gint |
|
870 connection_handler_compare_func (HandlerData *a, HandlerData *b) |
|
871 { |
|
872 return b->priority - a->priority; |
|
873 } |
|
874 |
|
875 static void |
|
876 connection_signal_disconnect (LmConnection *connection, |
|
877 LmDisconnectReason reason) |
|
878 { |
|
879 lm_verbose ("[connection_signal_disconnect]\n"); |
|
880 if (connection->disconnect_cb && connection->disconnect_cb->func) { |
|
881 |
|
882 LmCallback *cb = connection->disconnect_cb; |
|
883 lm_verbose("[connection_signal_disconnect]: ...disconnecting\n"); |
|
884 lm_connection_ref (connection); |
|
885 (* ((LmDisconnectFunction) cb->func)) (connection, |
|
886 reason, |
|
887 cb->user_data); |
|
888 lm_connection_unref (connection); |
|
889 lm_verbose("[connection_signal_disconnect]: ...after unref\n"); |
|
890 } |
|
891 } |
|
892 |
|
893 static void |
|
894 connection_incoming_data (LmSocket *socket, |
|
895 const gchar *buf, |
|
896 LmConnection *connection) |
|
897 { |
|
898 lm_parser_parse (connection->parser, buf); |
|
899 UNUSED_FORMAL_PARAM(socket); |
|
900 } |
|
901 |
|
902 static void |
|
903 connection_socket_closed_cb (LmSocket *socket, |
|
904 LmDisconnectReason reason, |
|
905 LmConnection *connection) |
|
906 { |
|
907 lm_verbose("[connection_socket_closed_cb]: inside..\n"); |
|
908 connection_do_close (connection); |
|
909 connection_signal_disconnect (connection, reason); |
|
910 lm_verbose("[connection_socket_closed_cb]: exiting..\n"); |
|
911 UNUSED_FORMAL_PARAM(socket); |
|
912 } |
|
913 |
|
914 static void |
|
915 connection_socket_connect_cb (LmSocket *socket, |
|
916 gboolean result, |
|
917 LmConnection *connection) |
|
918 { |
|
919 if (!result) { |
|
920 connection_do_close (connection); |
|
921 lm_verbose ("[connection_socket_connect_cb]: result false "); |
|
922 if (connection->open_cb) { |
|
923 LmCallback *cb = connection->open_cb; |
|
924 lm_verbose ("[connection_socket_connect_cb]: connection->open_cb is defined "); |
|
925 |
|
926 connection->open_cb = NULL; |
|
927 |
|
928 (* ((LmResultFunction) cb->func)) (connection, FALSE, |
|
929 cb->user_data); |
|
930 _lm_utils_free_callback (cb); |
|
931 } |
|
932 |
|
933 UNUSED_FORMAL_PARAM(socket); |
|
934 return; |
|
935 } |
|
936 |
|
937 /* FIXME: Set up according to XMPP 1.0 specification */ |
|
938 /* StartTLS and the like */ |
|
939 if (!connection_send (connection, |
|
940 "<?xml version='1.0' encoding='UTF-8'?>", -1, |
|
941 NULL)) { |
|
942 lm_verbose ("Failed to send xml version and encoding\n"); |
|
943 connection_do_close (connection); |
|
944 |
|
945 return; |
|
946 } |
|
947 |
|
948 connection_send_stream_header (connection); |
|
949 lm_verbose("\n[connection_socket_connect_cb]: exiting "); |
|
950 } |
|
951 |
|
952 static gboolean |
|
953 connection_get_server_from_jid (const gchar *jid, |
|
954 gchar **server) |
|
955 { |
|
956 gchar *ch; |
|
957 gchar *ch_end; |
|
958 |
|
959 if (jid != NULL && (ch = strchr (jid, '@')) != NULL) { |
|
960 ch_end = strchr(ch + 1, '/'); |
|
961 if (ch_end != NULL) { |
|
962 *server = g_strndup (ch + 1, ch_end - ch - 1); |
|
963 } else { |
|
964 *server = g_strdup (ch + 1); |
|
965 } |
|
966 |
|
967 return TRUE; |
|
968 } |
|
969 |
|
970 return FALSE; |
|
971 } |
|
972 |
|
973 static void |
|
974 connection_send_stream_header (LmConnection *connection) |
|
975 { |
|
976 LmMessage *m; |
|
977 gchar *server_from_jid; |
|
978 |
|
979 lm_verbose ("Sending stream header\n"); |
|
980 |
|
981 if (!connection_get_server_from_jid (connection->jid, &server_from_jid)) { |
|
982 server_from_jid = g_strdup (connection->server); |
|
983 } |
|
984 |
|
985 m = lm_message_new (server_from_jid, LM_MESSAGE_TYPE_STREAM); |
|
986 lm_message_node_set_attributes (m->node, |
|
987 "xmlns:stream", |
|
988 "http://etherx.jabber.org/streams", |
|
989 "xmlns", "jabber:client", |
|
990 "version", "1.0", |
|
991 NULL); |
|
992 |
|
993 g_free (server_from_jid); |
|
994 |
|
995 if (!lm_connection_send (connection, m, NULL)) { |
|
996 lm_verbose ("Failed to send stream information\n"); |
|
997 connection_do_close (connection); |
|
998 } |
|
999 connection_start_keep_alive (connection); //prima |
|
1000 lm_message_unref (m); |
|
1001 lm_verbose("\n[connection_send_stream_header]: Exiting send stream header method"); |
|
1002 } |
|
1003 |
|
1004 gboolean |
|
1005 _lm_connection_async_connect_waiting (LmConnection *connection) |
|
1006 { |
|
1007 return connection->async_connect_waiting; |
|
1008 } |
|
1009 |
|
1010 void |
|
1011 _lm_connection_set_async_connect_waiting (LmConnection *connection, |
|
1012 gboolean waiting) |
|
1013 { |
|
1014 connection->async_connect_waiting = waiting; |
|
1015 } |
|
1016 |
|
1017 static void |
|
1018 connection_call_auth_cb (LmConnection *connection, gboolean success) |
|
1019 { |
|
1020 if (success) { |
|
1021 lm_verbose("connection_call_auth_cb: authenticated\n"); |
|
1022 connection->state = LM_CONNECTION_STATE_AUTHENTICATED; |
|
1023 } else { |
|
1024 lm_verbose("connection_call_auth_cb: conn still open\n"); |
|
1025 connection->state = LM_CONNECTION_STATE_OPEN; |
|
1026 } |
|
1027 |
|
1028 if (connection->auth_cb) { |
|
1029 LmCallback *cb = connection->auth_cb; |
|
1030 |
|
1031 connection->auth_cb = NULL; |
|
1032 |
|
1033 if (cb->func) { |
|
1034 lm_verbose("connection_call_auth_cb: calling the test code's registered cb method\n"); |
|
1035 (* ((LmResultFunction) cb->func)) (connection, |
|
1036 success, |
|
1037 cb->user_data); |
|
1038 } |
|
1039 |
|
1040 _lm_utils_free_callback (cb); |
|
1041 } |
|
1042 } |
|
1043 |
|
1044 static LmHandlerResult |
|
1045 connection_bind_reply (LmMessageHandler *handler, |
|
1046 LmConnection *connection, |
|
1047 LmMessage *message, |
|
1048 gpointer user_data) |
|
1049 { |
|
1050 LmMessage *m; |
|
1051 LmMessageNode *session_node; |
|
1052 LmMessageNode *jid_node; |
|
1053 int result; |
|
1054 LmMessageSubType type; |
|
1055 lm_verbose("[connection_bind_reply]: inside connection_bind_reply\n"); |
|
1056 type = lm_message_get_sub_type (message); |
|
1057 if (type == LM_MESSAGE_SUB_TYPE_ERROR) { |
|
1058 /*g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_SASL, |
|
1059 "%s: error while binding to resource\n", G_STRFUNC);*/ |
|
1060 lm_verbose("[connection_bind_reply]: calling connection_call_auth_cb\n"); |
|
1061 connection_call_auth_cb (connection, FALSE); |
|
1062 lm_verbose("[connection_bind_reply]: called connection_call_auth_cb\n"); |
|
1063 UNUSED_FORMAL_PARAM(user_data); |
|
1064 UNUSED_FORMAL_PARAM(handler); |
|
1065 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1066 } |
|
1067 |
|
1068 /* use whatever server returns as our effective jid */ |
|
1069 jid_node = lm_message_node_find_child (message->node, "jid"); |
|
1070 if (jid_node) { |
|
1071 g_free (connection->effective_jid); |
|
1072 connection->effective_jid = g_strdup |
|
1073 (lm_message_node_get_value (jid_node)); |
|
1074 } |
|
1075 |
|
1076 |
|
1077 m = lm_message_new_with_sub_type (NULL, |
|
1078 LM_MESSAGE_TYPE_IQ, |
|
1079 LM_MESSAGE_SUB_TYPE_SET); |
|
1080 |
|
1081 lm_verbose("[connection_bind_reply]: Creation session child node\n"); |
|
1082 session_node = lm_message_node_add_child (m->node, "session", NULL); |
|
1083 lm_message_node_set_attributes (session_node, |
|
1084 "xmlns", XMPP_NS_SESSION, |
|
1085 NULL); |
|
1086 lm_verbose("[connection_bind_reply]: Sending session child node\n"); |
|
1087 result = lm_connection_send (connection, m, NULL); |
|
1088 lm_message_unref (m); |
|
1089 if (result < 0) { |
|
1090 connection_do_close (connection); |
|
1091 } |
|
1092 |
|
1093 /* We may finally tell the client they're authorized */ |
|
1094 connection_call_auth_cb (connection, TRUE); |
|
1095 |
|
1096 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1097 } |
|
1098 |
|
1099 static LmHandlerResult |
|
1100 connection_features_cb (LmMessageHandler *handler, |
|
1101 LmConnection *connection, |
|
1102 LmMessage *message, |
|
1103 gpointer user_data) |
|
1104 { |
|
1105 LmMessageNode *bind_node; |
|
1106 LmMessageNode *starttls_node; |
|
1107 LmMessageNode *old_auth; |
|
1108 lm_verbose("[connection_features_cb] inside..\n"); |
|
1109 |
|
1110 starttls_node = lm_message_node_find_child (message->node, "starttls"); |
|
1111 if (connection->ssl && lm_ssl_get_use_starttls (connection->ssl)) { |
|
1112 if (starttls_node) { |
|
1113 LmMessage *msg; |
|
1114 |
|
1115 msg = lm_message_new (NULL, LM_MESSAGE_TYPE_STARTTLS); |
|
1116 |
|
1117 lm_message_node_set_attributes ( |
|
1118 msg->node, |
|
1119 "xmlns", XMPP_NS_STARTTLS, |
|
1120 NULL); |
|
1121 |
|
1122 lm_connection_send (connection, msg, NULL); |
|
1123 lm_message_unref (msg); |
|
1124 |
|
1125 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1126 } else if (!connection->tls_started && |
|
1127 lm_ssl_get_require_starttls (connection->ssl)) { |
|
1128 /* If there were no starttls features present and we require it, this is |
|
1129 * the place to scream. */ |
|
1130 lm_verbose("connection_features_cb: Required StartTLS feature not supported by server\n"); |
|
1131 |
|
1132 /*g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_SASL, |
|
1133 "%s: required StartTLS feature not supported by server\n", G_STRFUNC);*/ |
|
1134 connection_do_close (connection); |
|
1135 connection_signal_disconnect (connection, |
|
1136 LM_DISCONNECT_REASON_ERROR); |
|
1137 UNUSED_FORMAL_PARAM(user_data); |
|
1138 UNUSED_FORMAL_PARAM(handler); |
|
1139 return LM_HANDLER_RESULT_REMOVE_MESSAGE; |
|
1140 } |
|
1141 } |
|
1142 |
|
1143 bind_node = lm_message_node_find_child (message->node, "bind"); |
|
1144 if (bind_node) { |
|
1145 LmMessageHandler *bind_handler; |
|
1146 LmMessage *bind_msg; |
|
1147 const gchar *ns; |
|
1148 int result; |
|
1149 |
|
1150 lm_verbose("connection_features_cb: found bind node\n"); |
|
1151 ns = lm_message_node_get_attribute (bind_node, "xmlns"); |
|
1152 if (!ns || strcmp (ns, XMPP_NS_BIND) != 0) { |
|
1153 return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS; |
|
1154 } |
|
1155 |
|
1156 bind_msg = lm_message_new_with_sub_type (NULL, |
|
1157 LM_MESSAGE_TYPE_IQ, |
|
1158 LM_MESSAGE_SUB_TYPE_SET); |
|
1159 |
|
1160 bind_node = lm_message_node_add_child (bind_msg->node, |
|
1161 "bind", NULL); |
|
1162 lm_message_node_set_attributes (bind_node, |
|
1163 "xmlns", XMPP_NS_BIND, |
|
1164 NULL); |
|
1165 |
|
1166 lm_message_node_add_child (bind_node, "resource", |
|
1167 connection->resource); |
|
1168 |
|
1169 lm_verbose("[connection_features_cb]:setting callback method for bind response\n"); |
|
1170 bind_handler = lm_message_handler_new (connection_bind_reply, |
|
1171 NULL, NULL); |
|
1172 lm_verbose("[connection_features_cb]: calling lm_connection_send_with_reply for bind response\n"); |
|
1173 result = lm_connection_send_with_reply (connection, bind_msg, |
|
1174 bind_handler, NULL); |
|
1175 lm_verbose("[connection_features_cb]:called lm_connection_send_with_reply for bind response with result: %d\n", result); |
|
1176 lm_message_handler_unref (bind_handler); |
|
1177 lm_message_unref (bind_msg); |
|
1178 |
|
1179 if (result < 0) { |
|
1180 /*g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_SASL, |
|
1181 "%s: can't send resource binding request\n", G_STRFUNC);*/ |
|
1182 connection_do_close (connection); |
|
1183 } |
|
1184 } |
|
1185 |
|
1186 old_auth = lm_message_node_find_child (message->node, "auth"); |
|
1187 if (connection->use_sasl && old_auth) { |
|
1188 g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_SASL, |
|
1189 "Server uses XEP-0078 (jabber iq auth) instead of SASL\n"); |
|
1190 /* So the server is XMPP1.0, but doesn't support SASL and uses |
|
1191 * obsolete XEP-0078 instead. Let's cope. */ |
|
1192 |
|
1193 connection->use_sasl = FALSE; |
|
1194 |
|
1195 if (connection->sasl) { |
|
1196 const gchar *user, *pass; |
|
1197 |
|
1198 lm_sasl_get_auth_params (connection->sasl, &user, &pass); |
|
1199 if (user && pass) { |
|
1200 GError *error = NULL; |
|
1201 lm_verbose("[connection_features_cb]:calling _lm_connection_old_auth\n"); |
|
1202 _lm_connection_old_auth (connection, user, pass, |
|
1203 connection->resource, &error); |
|
1204 |
|
1205 if (error) { |
|
1206 g_error_free (error); |
|
1207 } |
|
1208 } |
|
1209 |
|
1210 lm_sasl_free (connection->sasl); |
|
1211 connection->sasl = NULL; |
|
1212 } |
|
1213 } |
|
1214 |
|
1215 return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS; |
|
1216 } |
|
1217 |
|
1218 /** |
|
1219 * lm_connection_new: |
|
1220 * @server: The hostname to the server for the connection. |
|
1221 * |
|
1222 * Creates a new closed connection. To open the connection call |
|
1223 * lm_connection_open(). @server can be #NULL but must be set before calling lm_connection_open(). |
|
1224 * |
|
1225 * Return value: A newly created LmConnection, should be unreffed with lm_connection_unref(). |
|
1226 **/ |
|
1227 EXPORT_C LmConnection * |
|
1228 lm_connection_new (const gchar *server) |
|
1229 { |
|
1230 LmConnection *connection = NULL; |
|
1231 gint i; |
|
1232 |
|
1233 lm_debug_init (); |
|
1234 _lm_sock_library_init (); |
|
1235 |
|
1236 connection = g_new0 (LmConnection, 1); |
|
1237 |
|
1238 if (server) { |
|
1239 connection->server = _lm_utils_hostname_to_punycode (server); |
|
1240 connection->use_srv = FALSE; |
|
1241 } else { |
|
1242 connection->server = NULL; |
|
1243 connection->use_srv = TRUE; |
|
1244 } |
|
1245 |
|
1246 connection->context = NULL; |
|
1247 connection->port = LM_CONNECTION_DEFAULT_PORT; |
|
1248 connection->jid = NULL; |
|
1249 connection->effective_jid = NULL; |
|
1250 connection->ssl = NULL; |
|
1251 connection->proxy = NULL; |
|
1252 connection->disconnect_cb = NULL; |
|
1253 connection->queue = lm_message_queue_new ((LmMessageQueueCallback) connection_message_queue_cb, |
|
1254 connection); |
|
1255 connection->cancel_open = FALSE; |
|
1256 connection->state = LM_CONNECTION_STATE_CLOSED; |
|
1257 connection->keep_alive_source = NULL; |
|
1258 connection->keep_alive_rate = 0; |
|
1259 connection->socket = NULL; |
|
1260 connection->use_sasl = FALSE; |
|
1261 connection->tls_started = FALSE; |
|
1262 |
|
1263 connection->id_handlers = g_hash_table_new_full (g_str_hash, |
|
1264 g_str_equal, |
|
1265 g_free, |
|
1266 (GDestroyNotify) lm_message_handler_unref); |
|
1267 connection->ref_count = 1; |
|
1268 |
|
1269 for (i = 0; i < LM_MESSAGE_TYPE_UNKNOWN; ++i) { |
|
1270 connection->handlers[i] = NULL; |
|
1271 } |
|
1272 |
|
1273 connection->parser = lm_parser_new |
|
1274 ((LmParserMessageFunction) connection_new_message_cb, |
|
1275 connection, NULL); |
|
1276 |
|
1277 return connection; |
|
1278 } |
|
1279 |
|
1280 /** |
|
1281 * lm_connection_new_with_context: |
|
1282 * @server: The hostname to the server for the connection. |
|
1283 * @context: The context this connection should be running in. |
|
1284 * |
|
1285 * Creates a new closed connection running in a certain context. To open the |
|
1286 * connection call #lm_connection_open. @server can be #NULL but must be set |
|
1287 * before calling #lm_connection_open. |
|
1288 * |
|
1289 * Return value: A newly created LmConnection, should be unreffed with lm_connection_unref(). |
|
1290 **/ |
|
1291 EXPORT_C LmConnection * |
|
1292 lm_connection_new_with_context (const gchar *server, GMainContext *context) |
|
1293 { |
|
1294 LmConnection *connection; |
|
1295 |
|
1296 connection = lm_connection_new (server); |
|
1297 connection->context = context; |
|
1298 |
|
1299 if (context) { |
|
1300 g_main_context_ref (connection->context); |
|
1301 } |
|
1302 |
|
1303 return connection; |
|
1304 } |
|
1305 |
|
1306 /** |
|
1307 * lm_connection_open: |
|
1308 * @connection: #LmConnection to open |
|
1309 * @function: Callback function that will be called when the connection is open. |
|
1310 * @user_data: User data that will be passed to @function. |
|
1311 * @notify: Function for freeing that user_data, can be NULL. |
|
1312 * @error: location to store error, or %NULL |
|
1313 * |
|
1314 * An async call to open @connection. When the connection is open @function will be called. |
|
1315 * |
|
1316 * Return value: #TRUE if everything went fine, otherwise #FALSE. |
|
1317 **/ |
|
1318 EXPORT_C gboolean |
|
1319 lm_connection_open (LmConnection *connection, |
|
1320 LmResultFunction function, |
|
1321 gpointer user_data, |
|
1322 GDestroyNotify notify, |
|
1323 GError **error) |
|
1324 { |
|
1325 lm_verbose("[lm_connection_open]: open..."); |
|
1326 g_return_val_if_fail (connection != NULL, FALSE); |
|
1327 |
|
1328 connection->open_cb = _lm_utils_new_callback ((gpointer)function, |
|
1329 user_data, notify); |
|
1330 connection->blocking = FALSE; |
|
1331 lm_verbose("[lm_connection_open]: calling connection_do_open..."); |
|
1332 return connection_do_open (connection, error); |
|
1333 } |
|
1334 |
|
1335 /** |
|
1336 * lm_connection_open_and_block: |
|
1337 * @connection: an #LmConnection to open |
|
1338 * @error: location to store error, or %NULL |
|
1339 * |
|
1340 * Opens @connection and waits until the stream is setup. |
|
1341 * |
|
1342 * Return value: #TRUE if no errors where encountered during opening and stream setup successfully, #FALSE otherwise. |
|
1343 **/ |
|
1344 EXPORT_C gboolean |
|
1345 lm_connection_open_and_block (LmConnection *connection, GError **error) |
|
1346 { |
|
1347 gboolean result; |
|
1348 LmConnectionState state; |
|
1349 |
|
1350 g_return_val_if_fail (connection != NULL, FALSE); |
|
1351 |
|
1352 connection->open_cb = NULL; |
|
1353 connection->blocking = TRUE; |
|
1354 |
|
1355 result = connection_do_open (connection, error); |
|
1356 |
|
1357 if (result == FALSE) { |
|
1358 return FALSE; |
|
1359 } |
|
1360 |
|
1361 while ((state = lm_connection_get_state (connection)) == LM_CONNECTION_STATE_OPENING) { |
|
1362 if (g_main_context_pending (connection->context)) { |
|
1363 g_main_context_iteration (connection->context, TRUE); |
|
1364 } else { |
|
1365 /* Sleep for 1 millisecond */ |
|
1366 g_usleep (1000); |
|
1367 } |
|
1368 } |
|
1369 |
|
1370 if (lm_connection_is_open (connection)) { |
|
1371 connection_start_keep_alive (connection); |
|
1372 return TRUE; |
|
1373 } |
|
1374 |
|
1375 /* Need to set the error here: LM-15 */ |
|
1376 g_set_error (error, |
|
1377 LM_ERROR, |
|
1378 LM_ERROR_CONNECTION_FAILED, |
|
1379 "Opening the connection failed"); |
|
1380 |
|
1381 return FALSE; |
|
1382 } |
|
1383 |
|
1384 /** |
|
1385 * lm_connection_cancel_open: |
|
1386 * @connection: an #LmConnection to cancel opening on |
|
1387 * |
|
1388 * Cancels the open operation of a connection. The connection should be in the state #LM_CONNECTION_STATE_OPENING. |
|
1389 **/ |
|
1390 EXPORT_C void |
|
1391 lm_connection_cancel_open (LmConnection *connection) |
|
1392 { |
|
1393 g_return_if_fail (connection != NULL); |
|
1394 |
|
1395 lm_verbose("[lm_connection_cancel_open]: inside.."); |
|
1396 if (connection->open_cb) { |
|
1397 _lm_utils_free_callback (connection->open_cb); |
|
1398 connection->open_cb = NULL; |
|
1399 } |
|
1400 |
|
1401 connection->cancel_open = TRUE; |
|
1402 |
|
1403 #ifdef HAVE_ASYNCNS |
|
1404 lm_verbose("[lm_connection_cancel_open] called in HAVE_ASYNCNS"); |
|
1405 _asyncns_cancel(connection->socket); |
|
1406 #endif |
|
1407 } |
|
1408 |
|
1409 /** |
|
1410 * lm_connection_close: |
|
1411 * @connection: #LmConnection to close |
|
1412 * @error: location to store error, or %NULL |
|
1413 * |
|
1414 * A synchronous call to close the connection. When returning the connection is considered to be closed and can be opened again with lm_connection_open(). |
|
1415 * |
|
1416 * Return value: Returns #TRUE if no errors where detected, otherwise #FALSE. |
|
1417 **/ |
|
1418 EXPORT_C gboolean |
|
1419 lm_connection_close (LmConnection *connection, |
|
1420 GError **error) |
|
1421 { |
|
1422 gboolean no_errors = TRUE; |
|
1423 |
|
1424 g_return_val_if_fail (connection != NULL, FALSE); |
|
1425 |
|
1426 #ifdef HAVE_ASYNCNS |
|
1427 _asyncns_cancel (connection->socket); |
|
1428 #endif |
|
1429 |
|
1430 if (connection->state == LM_CONNECTION_STATE_CLOSED) { |
|
1431 g_set_error (error, |
|
1432 LM_ERROR, |
|
1433 LM_ERROR_CONNECTION_NOT_OPEN, |
|
1434 "Connection is not open, call lm_connection_open() first"); |
|
1435 return FALSE; |
|
1436 } |
|
1437 |
|
1438 lm_verbose ("Disconnecting from: %s:%d\n", |
|
1439 connection->server, connection->port); |
|
1440 |
|
1441 if (lm_connection_is_open (connection)) { |
|
1442 if (!connection_send (connection, "</stream:stream>", -1, error)) { |
|
1443 no_errors = FALSE; |
|
1444 } |
|
1445 |
|
1446 lm_socket_flush (connection->socket); |
|
1447 } |
|
1448 |
|
1449 connection_do_close (connection); |
|
1450 connection_signal_disconnect (connection, LM_DISCONNECT_REASON_OK); |
|
1451 |
|
1452 return no_errors; |
|
1453 } |
|
1454 |
|
1455 static void |
|
1456 connection_sasl_auth_finished (LmSASL *sasl, |
|
1457 LmConnection *connection, |
|
1458 gboolean success, |
|
1459 const gchar *reason) |
|
1460 { |
|
1461 if (!success) { |
|
1462 lm_verbose ("SASL authentication failed, closing connection\n"); |
|
1463 connection_call_auth_cb (connection, FALSE); |
|
1464 return; |
|
1465 } |
|
1466 |
|
1467 connection_send_stream_header (connection); |
|
1468 UNUSED_FORMAL_PARAM(sasl); |
|
1469 UNUSED_FORMAL_PARAM(reason); |
|
1470 lm_verbose("\n exiting SASL auth finished method"); |
|
1471 } |
|
1472 |
|
1473 /** |
|
1474 * lm_connection_authenticate: |
|
1475 * @connection: #LmConnection to authenticate. |
|
1476 * @username: Username used to authenticate. |
|
1477 * @password: Password corresponding to @username. |
|
1478 * @resource: Resource used for this connection. |
|
1479 * @function: Callback called when authentication is finished. |
|
1480 * @user_data: Userdata passed to @function when called. |
|
1481 * @notify: Destroy function to free the memory used by @user_data, can be NULL. |
|
1482 * @error: location to store error, or %NULL |
|
1483 * |
|
1484 * Tries to authenticate a user against the server. The #LmResult in the result callback @function will say whether it succeeded or not. |
|
1485 * |
|
1486 * Return value: #TRUE if no errors where detected while sending the authentication message, #FALSE otherwise. |
|
1487 **/ |
|
1488 EXPORT_C gboolean |
|
1489 lm_connection_authenticate (LmConnection *connection, |
|
1490 const gchar *username, |
|
1491 const gchar *password, |
|
1492 const gchar *resource, |
|
1493 LmResultFunction function, |
|
1494 gpointer user_data, |
|
1495 GDestroyNotify notify, |
|
1496 GError **error) |
|
1497 { |
|
1498 g_return_val_if_fail (connection != NULL, FALSE); |
|
1499 g_return_val_if_fail (username != NULL, FALSE); |
|
1500 g_return_val_if_fail (password != NULL, FALSE); |
|
1501 g_return_val_if_fail (resource != NULL, FALSE); |
|
1502 |
|
1503 if (!lm_connection_is_open (connection)) { |
|
1504 g_set_error (error, |
|
1505 LM_ERROR, |
|
1506 LM_ERROR_CONNECTION_NOT_OPEN, |
|
1507 "Connection is not open, call lm_connection_open() first"); |
|
1508 return FALSE; |
|
1509 } |
|
1510 lm_verbose("\n[lm_connection_authenticate] inside...\n"); |
|
1511 connection->state = LM_CONNECTION_STATE_AUTHENTICATING; |
|
1512 |
|
1513 connection->auth_cb = _lm_utils_new_callback ((gpointer)function, |
|
1514 user_data, |
|
1515 notify); |
|
1516 |
|
1517 connection->resource = g_strdup (resource); |
|
1518 connection->effective_jid = g_strdup_printf ("%s/%s", |
|
1519 connection->jid, connection->resource); |
|
1520 |
|
1521 if (connection->use_sasl) { |
|
1522 lm_verbose("[lm_connection_authenticate]: conn->use_sasl is true. calling lm_sasl_authenticate\n"); |
|
1523 lm_sasl_authenticate (connection->sasl, |
|
1524 username, password, |
|
1525 connection->server, |
|
1526 connection_sasl_auth_finished); |
|
1527 |
|
1528 connection->features_cb = |
|
1529 lm_message_handler_new (connection_features_cb, |
|
1530 NULL, NULL); |
|
1531 lm_connection_register_message_handler (connection, |
|
1532 connection->features_cb, |
|
1533 LM_MESSAGE_TYPE_STREAM_FEATURES, |
|
1534 LM_HANDLER_PRIORITY_FIRST); |
|
1535 |
|
1536 lm_verbose("[lm_connection_authenticate]: connection->use_sasl is true. So NOT calling create_auth_req_msg\n"); |
|
1537 return TRUE; |
|
1538 } |
|
1539 |
|
1540 return _lm_connection_old_auth (connection, username, password, |
|
1541 resource, error); |
|
1542 } |
|
1543 |
|
1544 gboolean |
|
1545 _lm_connection_old_auth (LmConnection *connection, const gchar *username, |
|
1546 const gchar *password, const gchar *resource, GError **error) |
|
1547 { |
|
1548 LmMessage *m; |
|
1549 AuthReqData *data; |
|
1550 LmMessageHandler *handler; |
|
1551 gboolean result; |
|
1552 |
|
1553 |
|
1554 m = connection_create_auth_req_msg (username); |
|
1555 |
|
1556 data = g_new0 (AuthReqData, 1); |
|
1557 data->username = g_strdup (username); |
|
1558 data->password = g_strdup (password); |
|
1559 data->resource = g_strdup (resource); |
|
1560 |
|
1561 handler = lm_message_handler_new (connection_auth_req_reply, |
|
1562 data, |
|
1563 (GDestroyNotify) auth_req_data_free); |
|
1564 result = lm_connection_send_with_reply (connection, m, handler, error); |
|
1565 |
|
1566 lm_message_handler_unref (handler); |
|
1567 lm_message_unref (m); |
|
1568 |
|
1569 return result; |
|
1570 } |
|
1571 |
|
1572 /** |
|
1573 * lm_connection_authenticate_and_block: |
|
1574 * @connection: an #LmConnection |
|
1575 * @username: Username used to authenticate. |
|
1576 * @password: Password corresponding to @username. |
|
1577 * @resource: Resource used for this connection. |
|
1578 * @error: location to store error, or %NULL |
|
1579 * |
|
1580 * Tries to authenticate a user against the server. This function blocks until a reply to the authentication attempt is returned and returns whether it was successful or not. |
|
1581 * |
|
1582 * Return value: #TRUE if no errors where detected and authentication was successful. #FALSE otherwise. |
|
1583 **/ |
|
1584 EXPORT_C gboolean |
|
1585 lm_connection_authenticate_and_block (LmConnection *connection, |
|
1586 const gchar *username, |
|
1587 const gchar *password, |
|
1588 const gchar *resource, |
|
1589 GError **error) |
|
1590 { |
|
1591 gboolean result; |
|
1592 |
|
1593 result = lm_connection_authenticate (connection, username, password, |
|
1594 resource, NULL, NULL, NULL, error); |
|
1595 |
|
1596 if (!result) |
|
1597 return result; |
|
1598 |
|
1599 while (lm_connection_get_state (connection) == LM_CONNECTION_STATE_AUTHENTICATING) { |
|
1600 if (g_main_context_pending (connection->context)) { |
|
1601 g_main_context_iteration (connection->context, TRUE); |
|
1602 } else { |
|
1603 /* Sleep for 1 millisecond */ |
|
1604 g_usleep (1000); |
|
1605 } |
|
1606 } |
|
1607 |
|
1608 switch (lm_connection_get_state (connection)) { |
|
1609 case LM_CONNECTION_STATE_AUTHENTICATED: |
|
1610 return TRUE; |
|
1611 //removing compilation error : not reachable statement |
|
1612 //break; |
|
1613 case LM_CONNECTION_STATE_OPEN: |
|
1614 g_set_error (error, |
|
1615 LM_ERROR, |
|
1616 LM_ERROR_AUTH_FAILED, |
|
1617 "Authentication failed"); |
|
1618 return FALSE; |
|
1619 //removing compilation error : not reachable statement |
|
1620 //break; |
|
1621 default: |
|
1622 g_assert_not_reached (); |
|
1623 break; |
|
1624 } |
|
1625 |
|
1626 return FALSE; |
|
1627 } |
|
1628 |
|
1629 /** |
|
1630 * lm_connection_get_keep_alive_rate: |
|
1631 * @connection: an #LmConnection |
|
1632 * |
|
1633 * Get the keep alive rate, in seconds. Zero is returned if no keep alive rate has been set. |
|
1634 * |
|
1635 * Since 1.3.5 |
|
1636 **/ |
|
1637 guint |
|
1638 lm_connection_get_keep_alive_rate (LmConnection *connection) |
|
1639 { |
|
1640 g_return_val_if_fail (connection != NULL, 0); |
|
1641 |
|
1642 return connection->keep_alive_rate; |
|
1643 } |
|
1644 |
|
1645 /** |
|
1646 * lm_connection_set_keep_alive_rate: |
|
1647 * @connection: an #LmConnection |
|
1648 * @rate: Number of seconds between keep alive packages are sent. |
|
1649 * |
|
1650 * Set the keep alive rate, in seconds. Set to 0 to prevent keep alive messages to be sent. |
|
1651 * A keep alive message is a single space character. |
|
1652 **/ |
|
1653 EXPORT_C void |
|
1654 lm_connection_set_keep_alive_rate (LmConnection *connection, guint rate) |
|
1655 { |
|
1656 g_return_if_fail (connection != NULL); |
|
1657 lm_verbose("Setting Keep Alive Rate"); |
|
1658 connection_stop_keep_alive (connection); |
|
1659 |
|
1660 if (rate == 0) { |
|
1661 connection->keep_alive_source = NULL; |
|
1662 return; |
|
1663 } |
|
1664 |
|
1665 connection->keep_alive_rate = rate; |
|
1666 |
|
1667 if (lm_connection_is_open (connection)) { |
|
1668 connection_start_keep_alive (connection); |
|
1669 } |
|
1670 } |
|
1671 |
|
1672 /** |
|
1673 * lm_connection_is_open: |
|
1674 * @connection: #LmConnection to check if it is open. |
|
1675 * |
|
1676 * Check if the @connection is currently open. |
|
1677 * |
|
1678 * Return value: #TRUE if connection is open and #FALSE if it is closed. |
|
1679 **/ |
|
1680 EXPORT_C gboolean |
|
1681 lm_connection_is_open (LmConnection *connection) |
|
1682 { |
|
1683 g_return_val_if_fail (connection != NULL, FALSE); |
|
1684 |
|
1685 return connection->state >= LM_CONNECTION_STATE_OPEN; |
|
1686 } |
|
1687 |
|
1688 /** |
|
1689 * lm_connection_is_authenticated: |
|
1690 * @connection: #LmConnection to check if it is authenticated |
|
1691 * |
|
1692 * Check if @connection is authenticated. |
|
1693 * |
|
1694 * Return value: #TRUE if connection is authenticated, #FALSE otherwise. |
|
1695 **/ |
|
1696 EXPORT_C gboolean |
|
1697 lm_connection_is_authenticated (LmConnection *connection) |
|
1698 { |
|
1699 g_return_val_if_fail (connection != NULL, FALSE); |
|
1700 |
|
1701 return connection->state >= LM_CONNECTION_STATE_AUTHENTICATED; |
|
1702 } |
|
1703 |
|
1704 /** |
|
1705 * lm_connection_get_server: |
|
1706 * @connection: an #LmConnection |
|
1707 * |
|
1708 * Fetches the server address that @connection is using. |
|
1709 * |
|
1710 * Return value: the server address |
|
1711 **/ |
|
1712 EXPORT_C const gchar * |
|
1713 lm_connection_get_server (LmConnection *connection) |
|
1714 { |
|
1715 g_return_val_if_fail (connection != NULL, NULL); |
|
1716 |
|
1717 return connection->server; |
|
1718 } |
|
1719 |
|
1720 /** |
|
1721 * lm_connection_set_server: |
|
1722 * @connection: an #LmConnection |
|
1723 * @server: Address of the server |
|
1724 * |
|
1725 * Sets the server address for @connection to @server. Notice that @connection |
|
1726 * can't be open while doing this. |
|
1727 **/ |
|
1728 EXPORT_C void |
|
1729 lm_connection_set_server (LmConnection *connection, const gchar *server) |
|
1730 { |
|
1731 g_return_if_fail (connection != NULL); |
|
1732 g_return_if_fail (server != NULL); |
|
1733 |
|
1734 if (lm_connection_is_open (connection)) { |
|
1735 g_warning ("Can't change server address while connected"); |
|
1736 return; |
|
1737 } |
|
1738 |
|
1739 g_free (connection->server); |
|
1740 connection->server = _lm_utils_hostname_to_punycode (server); |
|
1741 connection->use_srv = FALSE; |
|
1742 } |
|
1743 |
|
1744 /** |
|
1745 * lm_connection_get_jid: |
|
1746 * @connection: an #LmConnection |
|
1747 * |
|
1748 * Fetches the jid set for @connection is using. |
|
1749 * |
|
1750 * Return value: the jid |
|
1751 **/ |
|
1752 EXPORT_C const gchar * |
|
1753 lm_connection_get_jid (LmConnection *connection) |
|
1754 { |
|
1755 g_return_val_if_fail (connection != NULL, NULL); |
|
1756 |
|
1757 return connection->jid; |
|
1758 } |
|
1759 |
|
1760 /** |
|
1761 * lm_connection_get_full_jid: |
|
1762 * @connection: an #LmConnection |
|
1763 * |
|
1764 * Returns the full jid that server set for us after |
|
1765 * resource binding, complete with the resource. |
|
1766 * |
|
1767 * Return value: the jid |
|
1768 **/ |
|
1769 gchar * |
|
1770 lm_connection_get_full_jid (LmConnection *connection) |
|
1771 { |
|
1772 g_return_val_if_fail (connection != NULL, NULL); |
|
1773 |
|
1774 return connection->effective_jid; |
|
1775 } |
|
1776 |
|
1777 /** |
|
1778 * lm_connection_set_jid: |
|
1779 * @connection: an #LmConnection |
|
1780 * @jid: JID to be used for @connection |
|
1781 * |
|
1782 * Sets the JID to be used for @connection. |
|
1783 **/ |
|
1784 EXPORT_C void |
|
1785 lm_connection_set_jid (LmConnection *connection, const gchar *jid) |
|
1786 { |
|
1787 g_return_if_fail (connection != NULL); |
|
1788 |
|
1789 if (lm_connection_is_open (connection)) { |
|
1790 g_warning ("Can't change JID while connected"); |
|
1791 return; |
|
1792 } |
|
1793 |
|
1794 g_free (connection->jid); |
|
1795 connection->jid = g_strdup (jid); |
|
1796 } |
|
1797 |
|
1798 /** |
|
1799 * lm_connection_get_port: |
|
1800 * @connection: an #LmConnection |
|
1801 * |
|
1802 * Fetches the port that @connection is using. |
|
1803 * |
|
1804 * Return value: |
|
1805 **/ |
|
1806 EXPORT_C guint |
|
1807 lm_connection_get_port (LmConnection *connection) |
|
1808 { |
|
1809 g_return_val_if_fail (connection != NULL, 0); |
|
1810 |
|
1811 return connection->port; |
|
1812 } |
|
1813 |
|
1814 /** |
|
1815 * lm_connection_set_port: |
|
1816 * @connection: an #LmConnection |
|
1817 * @port: server port |
|
1818 * |
|
1819 * Sets the server port that @connection will be using. |
|
1820 **/ |
|
1821 EXPORT_C void |
|
1822 lm_connection_set_port (LmConnection *connection, guint port) |
|
1823 { |
|
1824 g_return_if_fail (connection != NULL); |
|
1825 |
|
1826 if (lm_connection_is_open (connection)) { |
|
1827 g_warning ("Can't change server port while connected"); |
|
1828 return; |
|
1829 } |
|
1830 |
|
1831 connection->port = port; |
|
1832 } |
|
1833 |
|
1834 /** |
|
1835 * lm_connection_get_ssl: |
|
1836 * @connection: an #LmConnection |
|
1837 * |
|
1838 * Returns the SSL struct if the connection is using one. |
|
1839 * |
|
1840 * Return value: The ssl struct or %NULL if no proxy is used. |
|
1841 **/ |
|
1842 EXPORT_C LmSSL * |
|
1843 lm_connection_get_ssl (LmConnection *connection) |
|
1844 { |
|
1845 g_return_val_if_fail (connection != NULL, NULL); |
|
1846 |
|
1847 return connection->ssl; |
|
1848 } |
|
1849 |
|
1850 /** |
|
1851 * lm_connection_set_ssl: |
|
1852 * @connection: An #LmConnection |
|
1853 * @ssl: An #LmSSL |
|
1854 * |
|
1855 * Sets SSL struct or unset if @ssl is %NULL. If set @connection will use SSL to for the connection. |
|
1856 */ |
|
1857 EXPORT_C void |
|
1858 lm_connection_set_ssl (LmConnection *connection, LmSSL *ssl) |
|
1859 { |
|
1860 lm_verbose("[lm_connection_set_ssl]: inside..."); |
|
1861 g_return_if_fail (connection != NULL); |
|
1862 g_return_if_fail (lm_ssl_is_supported () == TRUE); |
|
1863 |
|
1864 if (connection->ssl) { |
|
1865 lm_ssl_unref (connection->ssl); |
|
1866 } |
|
1867 |
|
1868 if (ssl) { |
|
1869 lm_verbose("[lm_connection_set_ssl]: setting of ssl success"); |
|
1870 connection->ssl = lm_ssl_ref (ssl); |
|
1871 } else { |
|
1872 lm_verbose("[lm_connection_set_ssl]: setting of ssl failed"); |
|
1873 connection->ssl = NULL; |
|
1874 } |
|
1875 } |
|
1876 |
|
1877 /** |
|
1878 * lm_connection_get_proxy: |
|
1879 * @connection: an #LmConnection |
|
1880 * |
|
1881 * Returns the proxy if the connection is using one. |
|
1882 * |
|
1883 * Return value: The proxy or %NULL if no proxy is used. |
|
1884 **/ |
|
1885 EXPORT_C LmProxy * |
|
1886 lm_connection_get_proxy (LmConnection *connection) |
|
1887 { |
|
1888 g_return_val_if_fail (connection != NULL, NULL); |
|
1889 |
|
1890 return connection->proxy; |
|
1891 } |
|
1892 |
|
1893 /** |
|
1894 * lm_connection_set_proxy: |
|
1895 * @connection: an #LmConnection |
|
1896 * @proxy: an #LmProxy |
|
1897 * |
|
1898 * Sets the proxy to use for this connection. To unset pass #NULL. |
|
1899 * |
|
1900 **/ |
|
1901 EXPORT_C void |
|
1902 lm_connection_set_proxy (LmConnection *connection, LmProxy *proxy) |
|
1903 { |
|
1904 g_return_if_fail (connection != NULL); |
|
1905 |
|
1906 if (lm_connection_is_open (connection)) { |
|
1907 g_warning ("Can't change server proxy while connected"); |
|
1908 return; |
|
1909 } |
|
1910 |
|
1911 if (connection->proxy) { |
|
1912 lm_proxy_unref (connection->proxy); |
|
1913 connection->proxy = NULL; |
|
1914 } |
|
1915 |
|
1916 if (proxy && lm_proxy_get_type (proxy) != LM_PROXY_TYPE_NONE) { |
|
1917 connection->proxy = lm_proxy_ref (proxy); |
|
1918 } |
|
1919 } |
|
1920 |
|
1921 /** |
|
1922 * lm_connection_send: |
|
1923 * @connection: #LmConnection to send message over. |
|
1924 * @message: #LmMessage to send. |
|
1925 * @error: location to store error, or %NULL |
|
1926 * |
|
1927 * Asynchronous call to send a message. |
|
1928 * |
|
1929 * Return value: Returns #TRUE if no errors where detected while sending, #FALSE otherwise. |
|
1930 **/ |
|
1931 EXPORT_C gboolean |
|
1932 lm_connection_send (LmConnection *connection, |
|
1933 LmMessage *message, |
|
1934 GError **error) |
|
1935 { |
|
1936 gchar *xml_str; |
|
1937 gchar *ch; |
|
1938 gboolean result; |
|
1939 |
|
1940 g_return_val_if_fail (connection != NULL, FALSE); |
|
1941 g_return_val_if_fail (message != NULL, FALSE); |
|
1942 |
|
1943 xml_str = lm_message_node_to_string (message->node); |
|
1944 ch = strstr (xml_str, "</stream:stream>"); |
|
1945 if (ch) { |
|
1946 *ch = '\0'; |
|
1947 } |
|
1948 |
|
1949 result = connection_send (connection, xml_str, -1, error); |
|
1950 g_free (xml_str); |
|
1951 |
|
1952 return result; |
|
1953 } |
|
1954 |
|
1955 /** |
|
1956 * lm_connection_send_with_reply: |
|
1957 * @connection: #LmConnection used to send message. |
|
1958 * @message: #LmMessage to send. |
|
1959 * @handler: #LmMessageHandler that will be used when a reply to @message arrives |
|
1960 * @error: location to store error, or %NULL |
|
1961 * |
|
1962 * Send a #LmMessage which will result in a reply. |
|
1963 * |
|
1964 * Return value: Returns #TRUE if no errors where detected while sending, #FALSE otherwise. |
|
1965 **/ |
|
1966 EXPORT_C gboolean |
|
1967 lm_connection_send_with_reply (LmConnection *connection, |
|
1968 LmMessage *message, |
|
1969 LmMessageHandler *handler, |
|
1970 GError **error) |
|
1971 { |
|
1972 gchar *id; |
|
1973 |
|
1974 g_return_val_if_fail (connection != NULL, FALSE); |
|
1975 g_return_val_if_fail (message != NULL, FALSE); |
|
1976 g_return_val_if_fail (handler != NULL, FALSE); |
|
1977 |
|
1978 if (lm_message_node_get_attribute (message->node, "id")) { |
|
1979 id = g_strdup (lm_message_node_get_attribute (message->node, |
|
1980 "id")); |
|
1981 } else { |
|
1982 id = _lm_utils_generate_id (); |
|
1983 lm_message_node_set_attributes (message->node, "id", id, NULL); |
|
1984 } |
|
1985 |
|
1986 g_hash_table_insert (connection->id_handlers, |
|
1987 id, lm_message_handler_ref (handler)); |
|
1988 lm_verbose("[lm_connection_send_with_reply]: inside..calling lm_connection_send\n"); |
|
1989 return lm_connection_send (connection, message, error); |
|
1990 } |
|
1991 |
|
1992 /** |
|
1993 * lm_connection_send_with_reply_and_block: |
|
1994 * @connection: an #LmConnection |
|
1995 * @message: an #LmMessage |
|
1996 * @error: Set if error was detected during sending. |
|
1997 * |
|
1998 * Send @message and wait for return. |
|
1999 * |
|
2000 * Return value: The reply |
|
2001 **/ |
|
2002 EXPORT_C LmMessage * |
|
2003 lm_connection_send_with_reply_and_block (LmConnection *connection, |
|
2004 LmMessage *message, |
|
2005 GError **error) |
|
2006 { |
|
2007 gchar *id; |
|
2008 LmMessage *reply = NULL; |
|
2009 |
|
2010 g_return_val_if_fail (connection != NULL, NULL); |
|
2011 g_return_val_if_fail (message != NULL, NULL); |
|
2012 |
|
2013 if (connection->state < LM_CONNECTION_STATE_OPENING) { |
|
2014 g_set_error (error, |
|
2015 LM_ERROR, |
|
2016 LM_ERROR_CONNECTION_NOT_OPEN, |
|
2017 "Connection is not open, call lm_connection_open() first"); |
|
2018 return FALSE; |
|
2019 } |
|
2020 |
|
2021 |
|
2022 if (lm_message_node_get_attribute (message->node, "id")) { |
|
2023 id = g_strdup (lm_message_node_get_attribute (message->node, |
|
2024 "id")); |
|
2025 } else { |
|
2026 id = _lm_utils_generate_id (); |
|
2027 lm_message_node_set_attributes (message->node, "id", id, NULL); |
|
2028 } |
|
2029 |
|
2030 lm_message_queue_detach (connection->queue); |
|
2031 |
|
2032 lm_connection_send (connection, message, error); |
|
2033 |
|
2034 while (!reply) { |
|
2035 const gchar *m_id; |
|
2036 guint n; |
|
2037 |
|
2038 g_main_context_iteration (connection->context, TRUE); |
|
2039 |
|
2040 if (lm_message_queue_is_empty (connection->queue)) { |
|
2041 continue; |
|
2042 } |
|
2043 |
|
2044 for (n = 0; n < lm_message_queue_get_length (connection->queue); n++) { |
|
2045 LmMessage *m; |
|
2046 |
|
2047 m = (LmMessage *) lm_message_queue_peek_nth (connection->queue, n); |
|
2048 |
|
2049 m_id = lm_message_node_get_attribute (m->node, "id"); |
|
2050 |
|
2051 if (m_id && strcmp (m_id, id) == 0) { |
|
2052 reply = m; |
|
2053 lm_message_queue_pop_nth (connection->queue, n); |
|
2054 break; |
|
2055 } |
|
2056 } |
|
2057 } |
|
2058 |
|
2059 g_free (id); |
|
2060 lm_message_queue_attach (connection->queue, connection->context); |
|
2061 |
|
2062 return reply; |
|
2063 } |
|
2064 |
|
2065 /** |
|
2066 * lm_connection_register_message_handler: |
|
2067 * @connection: Connection to register a handler for. |
|
2068 * @handler: Message handler to register. |
|
2069 * @type: Message type that @handler will handle. |
|
2070 * @priority: The priority in which to call @handler. |
|
2071 * |
|
2072 * Registers a #LmMessageHandler to handle incoming messages of a certain type. |
|
2073 * To unregister the handler call lm_connection_unregister_message_handler(). |
|
2074 **/ |
|
2075 EXPORT_C void |
|
2076 lm_connection_register_message_handler (LmConnection *connection, |
|
2077 LmMessageHandler *handler, |
|
2078 LmMessageType type, |
|
2079 LmHandlerPriority priority) |
|
2080 { |
|
2081 HandlerData *hd; |
|
2082 |
|
2083 g_return_if_fail (connection != NULL); |
|
2084 g_return_if_fail (handler != NULL); |
|
2085 g_return_if_fail (type != LM_MESSAGE_TYPE_UNKNOWN); |
|
2086 |
|
2087 hd = g_new0 (HandlerData, 1); |
|
2088 hd->priority = priority; |
|
2089 hd->handler = lm_message_handler_ref (handler); |
|
2090 |
|
2091 connection->handlers[type] = g_slist_insert_sorted (connection->handlers[type], |
|
2092 hd, |
|
2093 (GCompareFunc) connection_handler_compare_func); |
|
2094 } |
|
2095 |
|
2096 /** |
|
2097 * lm_connection_unregister_message_handler: |
|
2098 * @connection: Connection to unregister a handler for. |
|
2099 * @handler: The handler to unregister. |
|
2100 * @type: What type of messages to unregister this handler for. |
|
2101 * |
|
2102 * Unregisters a handler for @connection. @handler will no longer be called |
|
2103 * when incoming messages of @type arrive. |
|
2104 **/ |
|
2105 EXPORT_C void |
|
2106 lm_connection_unregister_message_handler (LmConnection *connection, |
|
2107 LmMessageHandler *handler, |
|
2108 LmMessageType type) |
|
2109 { |
|
2110 GSList *l; |
|
2111 |
|
2112 g_return_if_fail (connection != NULL); |
|
2113 g_return_if_fail (handler != NULL); |
|
2114 g_return_if_fail (type != LM_MESSAGE_TYPE_UNKNOWN); |
|
2115 |
|
2116 for (l = connection->handlers[type]; l; l = l->next) { |
|
2117 HandlerData *hd = (HandlerData *) l->data; |
|
2118 |
|
2119 if (handler == hd->handler) { |
|
2120 connection->handlers[type] = g_slist_remove_link (connection->handlers[type], l); |
|
2121 g_slist_free (l); |
|
2122 lm_message_handler_unref (hd->handler); |
|
2123 g_free (hd); |
|
2124 break; |
|
2125 } |
|
2126 } |
|
2127 } |
|
2128 |
|
2129 /** |
|
2130 * lm_connection_set_disconnect_function: |
|
2131 * @connection: Connection to register disconnect callback for. |
|
2132 * @function: Function to be called when @connection is closed. |
|
2133 * @user_data: User data passed to @function. |
|
2134 * @notify: Function that will be called with @user_data when @user_data needs to be freed. Pass #NULL if it shouldn't be freed. |
|
2135 * |
|
2136 * Set the callback that will be called when a connection is closed. |
|
2137 **/ |
|
2138 EXPORT_C void |
|
2139 lm_connection_set_disconnect_function (LmConnection *connection, |
|
2140 LmDisconnectFunction function, |
|
2141 gpointer user_data, |
|
2142 GDestroyNotify notify) |
|
2143 { |
|
2144 g_return_if_fail (connection != NULL); |
|
2145 |
|
2146 if (connection->disconnect_cb) { |
|
2147 _lm_utils_free_callback (connection->disconnect_cb); |
|
2148 } |
|
2149 |
|
2150 if (function) { |
|
2151 connection->disconnect_cb = _lm_utils_new_callback ((gpointer)function, |
|
2152 user_data, |
|
2153 notify); |
|
2154 } else { |
|
2155 connection->disconnect_cb = NULL; |
|
2156 } |
|
2157 } |
|
2158 |
|
2159 /** |
|
2160 * lm_connection_send_raw: |
|
2161 * @connection: Connection used to send |
|
2162 * @str: The string to send, the entire string will be sent. |
|
2163 * @error: Set if error was detected during sending. |
|
2164 * |
|
2165 * Asynchronous call to send a raw string. Useful for debugging and testing. |
|
2166 * |
|
2167 * Return value: Returns #TRUE if no errors was detected during sending, |
|
2168 * #FALSE otherwise. |
|
2169 **/ |
|
2170 EXPORT_C gboolean |
|
2171 lm_connection_send_raw (LmConnection *connection, |
|
2172 const gchar *str, |
|
2173 GError **error) |
|
2174 { |
|
2175 g_return_val_if_fail (connection != NULL, FALSE); |
|
2176 g_return_val_if_fail (str != NULL, FALSE); |
|
2177 |
|
2178 return connection_send (connection, str, -1, error); |
|
2179 } |
|
2180 /** |
|
2181 * lm_connection_get_state: |
|
2182 * @connection: Connection to get state on |
|
2183 * |
|
2184 * Returns the state of the connection. |
|
2185 * |
|
2186 * Return value: The state of the connection. |
|
2187 **/ |
|
2188 EXPORT_C LmConnectionState |
|
2189 lm_connection_get_state (LmConnection *connection) |
|
2190 { |
|
2191 g_return_val_if_fail (connection != NULL, |
|
2192 LM_CONNECTION_STATE_CLOSED); |
|
2193 |
|
2194 return connection->state; |
|
2195 } |
|
2196 |
|
2197 /** |
|
2198 * lm_connection_get_client_host: |
|
2199 * @connection: An #LmConnection |
|
2200 * |
|
2201 * Returns the local host name of the connection. |
|
2202 * |
|
2203 * Return value: A newly allocated string representing the local host name. |
|
2204 **/ |
|
2205 gchar * |
|
2206 lm_connection_get_local_host (LmConnection *connection) |
|
2207 { |
|
2208 return lm_socket_get_local_host (connection->socket); |
|
2209 } |
|
2210 |
|
2211 /** |
|
2212 * lm_connection_ref: |
|
2213 * @connection: Connection to add a reference to. |
|
2214 * |
|
2215 * Add a reference on @connection. To remove a reference call |
|
2216 * lm_connection_unref(). |
|
2217 * |
|
2218 * Return value: Returns the same connection. |
|
2219 **/ |
|
2220 EXPORT_C LmConnection* |
|
2221 lm_connection_ref (LmConnection *connection) |
|
2222 { |
|
2223 g_return_val_if_fail (connection != NULL, NULL); |
|
2224 |
|
2225 connection->ref_count++; |
|
2226 |
|
2227 return connection; |
|
2228 } |
|
2229 |
|
2230 /** |
|
2231 * lm_connection_unref: |
|
2232 * @connection: Connection to remove reference from. |
|
2233 * |
|
2234 * Removes a reference on @connection. If there are no references to |
|
2235 * @connection it will be freed and shouldn't be used again. |
|
2236 **/ |
|
2237 EXPORT_C void |
|
2238 lm_connection_unref (LmConnection *connection) |
|
2239 { |
|
2240 //g_return_if_fail (connection != NULL); |
|
2241 if(!connection) |
|
2242 return; |
|
2243 connection->ref_count--; |
|
2244 |
|
2245 if (connection->ref_count == 0) { |
|
2246 connection_free (connection); |
|
2247 } |
|
2248 } |