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comparison: src/protocols/bonjour/jabber.c

src/protocols/bonjour/jabber.c

branch
gaim
changeset 20470
77693555855f
parent 13071
b98e72d4089a
parent 20469
b2836a24d81e
child 20471
1966704b3e42
equal deleted inserted replaced
13071:b98e72d4089a 20470:77693555855f
1 /*
2 * gaim - Bonjour Protocol Plugin
3 *
4 * Gaim is the legal property of its developers, whose names are too numerous
5 * to list here. Please refer to the COPYRIGHT file distributed with this
6 * source distribution.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22 #ifndef _WIN32
23 #include <sys/socket.h>
24 #include <netinet/in.h>
25 #include <arpa/inet.h>
26 #else
27 #include "libc_interface.h"
28 #endif
29 #include <sys/types.h>
30 #include <glib.h>
31 #include <glib/gprintf.h>
32 #include <unistd.h>
33 #include <fcntl.h>
34
35 #include "network.h"
36 #include "eventloop.h"
37 #include "connection.h"
38 #include "blist.h"
39 #include "xmlnode.h"
40 #include "debug.h"
41 #include "notify.h"
42 #include "util.h"
43
44 #include "jabber.h"
45 #include "bonjour.h"
46 #include "buddy.h"
47
48 static gint
49 _connect_to_buddy(GaimBuddy *gb)
50 {
51 gint socket_fd;
52 gint retorno = 0;
53 struct sockaddr_in buddy_address;
54
55 /* Create a socket and make it non-blocking */
56 socket_fd = socket(PF_INET, SOCK_STREAM, 0);
57
58 buddy_address.sin_family = PF_INET;
59 buddy_address.sin_port = htons(((BonjourBuddy*)(gb->proto_data))->port_p2pj);
60 inet_aton(((BonjourBuddy*)(gb->proto_data))->ip, &(buddy_address.sin_addr));
61 memset(&(buddy_address.sin_zero), '\0', 8);
62
63 retorno = connect(socket_fd, (struct sockaddr*)&buddy_address, sizeof(struct sockaddr));
64 if (retorno == -1) {
65 gaim_debug_warning("bonjour", "connect error: %s\n", strerror(errno));
66 }
67 fcntl(socket_fd, F_SETFL, O_NONBLOCK);
68
69 return socket_fd;
70 }
71
72 #if 0 /* this isn't used anywhere... */
73 static const char *
74 _font_size_gaim_to_ichat(int size)
75 {
76 switch (size) {
77 case 1:
78 return "8";
79 case 2:
80 return "10";
81 case 3:
82 return "12";
83 case 4:
84 return "14";
85 case 5:
86 return "17";
87 case 6:
88 return "21";
89 case 7:
90 return "24";
91 }
92
93 return "12";
94 }
95 #endif
96
97 static const char *
98 _font_size_ichat_to_gaim(int size)
99 {
100 if (size > 24) {
101 return "7";
102 } else if (size >= 21) {
103 return "6";
104 } else if (size >= 17) {
105 return "5";
106 } else if (size >= 14) {
107 return "4";
108 } else if (size >= 12) {
109 return "3";
110 } else if (size >= 10) {
111 return "2";
112 }
113
114 return "1";
115 }
116 static void
117 _jabber_parse_and_write_message_to_ui(char *message, GaimConnection *connection, GaimBuddy *gb)
118 {
119 xmlnode *body_node = NULL;
120 char *body = NULL;
121 xmlnode *html_node = NULL;
122 gboolean isHTML = FALSE;
123 xmlnode *html_body_node = NULL;
124 const char *ichat_balloon_color = NULL;
125 const char *ichat_text_color = NULL;
126 xmlnode *html_body_font_node = NULL;
127 const char *font_face = NULL;
128 const char *font_size = NULL;
129 const char *font_color = NULL;
130 char *html_body = NULL;
131 xmlnode *events_node = NULL;
132 gboolean composing_event = FALSE;
133 gint garbage = -1;
134 xmlnode *message_node = NULL;
135
136 /* Parsing of the message */
137 message_node = xmlnode_from_str(message, strlen(message));
138 if (message_node == NULL) {
139 return;
140 }
141
142 body_node = xmlnode_get_child(message_node, "body");
143 if (body_node != NULL) {
144 body = xmlnode_get_data(body_node);
145 } else {
146 return;
147 }
148
149 html_node = xmlnode_get_child(message_node, "html");
150 if (html_node != NULL)
151 {
152 isHTML = TRUE;
153 html_body_node = xmlnode_get_child(html_node, "body");
154 if (html_body_node != NULL)
155 {
156 ichat_balloon_color = xmlnode_get_attrib(html_body_node, "ichatballooncolor");
157 ichat_text_color = xmlnode_get_attrib(html_body_node, "ichattextcolor");
158 html_body_font_node = xmlnode_get_child(html_body_node, "font");
159 if (html_body_font_node != NULL)
160 { /* Types of messages sent by iChat */
161 font_face = xmlnode_get_attrib(html_body_font_node, "face");
162 /* The absolute iChat font sizes should be converted to 1..7 range */
163 font_size = xmlnode_get_attrib(html_body_font_node, "ABSZ");
164 if (font_size != NULL)
165 {
166 font_size = _font_size_ichat_to_gaim(atoi(font_size));
167 }
168 font_color = xmlnode_get_attrib(html_body_font_node, "color");
169 html_body = xmlnode_get_data(html_body_font_node);
170 if (html_body == NULL)
171 {
172 /* This is the kind of formated messages that Gaim creates */
173 html_body = xmlnode_to_str(html_body_font_node, &garbage);
174 }
175 } else {
176 isHTML = FALSE;
177 }
178 } else {
179 isHTML = FALSE;
180 }
181
182 }
183
184 events_node = xmlnode_get_child_with_namespace(message_node, "x", "jabber:x:event");
185 if (events_node != NULL)
186 {
187 if (xmlnode_get_child(events_node, "composing") != NULL)
188 {
189 composing_event = TRUE;
190 }
191 if (xmlnode_get_child(events_node, "id") != NULL)
192 {
193 /* The user is just typing */
194 xmlnode_free(message_node);
195 g_free(body);
196 g_free(html_body);
197 return;
198 }
199 }
200
201 /* Compose the message */
202 if (isHTML)
203 {
204 if (font_face == NULL) font_face = "Helvetica";
205 if (font_size == NULL) font_size = "3";
206 if (ichat_text_color == NULL) ichat_text_color = "#000000";
207 if (ichat_balloon_color == NULL) ichat_balloon_color = "#FFFFFF";
208 body = g_strconcat("<font face='", font_face, "' size='", font_size, "' color='", ichat_text_color,
209 "' back='", ichat_balloon_color, "'>", html_body, "</font>", NULL);
210 }
211
212 /* Send the message to the UI */
213 serv_got_im(connection, gb->name, body, 0, time(NULL));
214
215 /* Free all the strings and nodes (the attributes are freed with their nodes) */
216 xmlnode_free(message_node);
217 g_free(body);
218 g_free(html_body);
219 }
220
221 struct _check_buddy_by_address_t {
222 char *address;
223 GaimBuddy **gb;
224 };
225
226 static void
227 _check_buddy_by_address(gpointer key, gpointer value, gpointer data)
228 {
229 GaimBuddy *gb = (GaimBuddy*)value;
230 BonjourBuddy *bb = (BonjourBuddy*)gb->proto_data;
231 struct _check_buddy_by_address_t *d = (struct _check_buddy_by_address_t *)data;
232
233 if (bb != NULL) {
234 if (g_strcasecmp(bb->ip, (char*)d->address) == 0)
235 *(d->gb) = gb;
236 }
237 }
238
239 static gint
240 _read_data(gint socket, char **message)
241 {
242 GString *data = g_string_new("");
243 char partial_data[512];
244 gint total_message_length = 0;
245 gint partial_message_length = 0;
246
247 /* Read chunks of 512 bytes till the end of the data */
248 while ((partial_message_length = recv(socket, partial_data, 512, 0)) > 0)
249 {
250 g_string_append_len(data, partial_data, partial_message_length);
251 total_message_length += partial_message_length;
252 }
253
254 if (partial_message_length == -1)
255 {
256 gaim_debug_warning("bonjour", "receive error: %s\n", strerror(errno));
257 if (total_message_length == 0) {
258 return -1;
259 }
260 }
261
262 *message = data->str;
263 g_string_free(data, FALSE);
264 if (total_message_length != 0)
265 gaim_debug_info("bonjour", "Receive: -%s- %d bytes\n", *message, total_message_length);
266
267 return total_message_length;
268 }
269
270 static gint
271 _send_data(gint socket, char *message)
272 {
273 gint message_len = strlen(message);
274 gint partial_sent = 0;
275 gchar *partial_message = message;
276
277 while ((partial_sent = send(socket, partial_message, message_len, 0)) < message_len)
278 {
279 if (partial_sent != -1) {
280 partial_message += partial_sent;
281 message_len -= partial_sent;
282 } else {
283 return -1;
284 }
285 }
286
287 return strlen(message);
288 }
289
290 static void
291 _client_socket_handler(gpointer data, gint socket, GaimInputCondition condition)
292 {
293 char *message = NULL;
294 gint message_length;
295 GaimBuddy *gb = (GaimBuddy*)data;
296 GaimAccount *account = gb->account;
297 GaimConversation *conversation;
298 char *closed_conv_message;
299 BonjourBuddy *bb = (BonjourBuddy*)gb->proto_data;
300 gboolean closed_conversation = FALSE;
301
302 /* Read the data from the socket */
303 if ((message_length = _read_data(socket, &message)) == -1) {
304 /* There have been an error reading from the socket */
305 return;
306 } else if (message_length == 0) { /* The other end has closed the socket */
307 closed_conversation = TRUE;
308 } else {
309 message[message_length] = '\0';
310
311 while (g_ascii_iscntrl(message[message_length - 1])) {
312 message[message_length - 1] = '\0';
313 message_length--;
314 }
315 }
316
317 /* Check if the start of the doctype has been received, if not check that the current */
318 /* data is the doctype */
319 if (!(bb->conversation->start_step_one))
320 {
321 if (g_str_has_prefix(message, DOCTYPE_DECLARATION))
322 {
323 bb->conversation->start_step_one = TRUE;
324 }
325 }
326
327 /* Check if the start of the stream has been received, if not check that the current */
328 /* data is the start of the stream */
329 if (!(bb->conversation->start_step_two))
330 {
331 if (g_str_has_suffix(message, STREAM_START)) {
332 bb->conversation->start_step_two = TRUE;
333
334 /* If we haven't done it yet, we have to sent the start of the stream to the other buddy */
335 if (!(bb->conversation->stream_started)) {
336 if (send(bb->conversation->socket, DOCTYPE, strlen(DOCTYPE), 0) == -1) {
337 gaim_debug_error("bonjour", "Unable to start a conversation with %s\n", bb->name);
338 }
339 }
340 }
341 return;
342 }
343
344 /* Check that this is not the end of the conversation */
345 if (g_str_has_prefix(message, STREAM_END) || (closed_conversation == TRUE)) {
346 /* Close the socket, clear the watcher and free memory */
347 if (bb->conversation != NULL) {
348 close(bb->conversation->socket);
349 gaim_input_remove(bb->conversation->watcher_id);
350 g_free(bb->conversation->buddy_name);
351 g_free(bb->conversation);
352 bb->conversation = NULL;
353 }
354
355 /* Inform the user that the conversation has been closed */
356 conversation = gaim_find_conversation_with_account(GAIM_CONV_TYPE_IM, gb->name, account);
357 closed_conv_message = g_strconcat(gb->name, " has closed the conversation.", NULL);
358 gaim_conversation_write(conversation, NULL, closed_conv_message, GAIM_MESSAGE_SYSTEM, time(NULL));
359 } else {
360 /* Parse the message to get the data and send to the ui */
361 _jabber_parse_and_write_message_to_ui(message, account->gc, gb);
362 }
363 }
364
365 static void
366 _server_socket_handler(gpointer data, int server_socket, GaimInputCondition condition)
367 {
368 GaimBuddy *gb = NULL;
369 struct sockaddr_in their_addr; /* connector's address information */
370 socklen_t sin_size = sizeof(struct sockaddr);
371 int client_socket;
372 BonjourBuddy *bb = NULL;
373 char *address_text = NULL;
374 GaimBuddyList *bl = gaim_get_blist();
375 struct _check_buddy_by_address_t *cbba;
376
377 /* Check that it is a read condition */
378 if (condition != GAIM_INPUT_READ) {
379 return;
380 }
381
382 if ((client_socket = accept(server_socket, (struct sockaddr *)&their_addr, &sin_size)) == -1)
383 {
384 return;
385 }
386 fcntl(client_socket, F_SETFL, O_NONBLOCK);
387
388 /* Look for the buddy that has open the conversation and fill information */
389 address_text = inet_ntoa(their_addr.sin_addr);
390 cbba = g_new0(struct _check_buddy_by_address_t, 1);
391 cbba->address = address_text;
392 cbba->gb = &gb;
393 g_hash_table_foreach(bl->buddies, _check_buddy_by_address, address_text);
394 g_free(cbba);
395 if (gb == NULL)
396 {
397 gaim_debug_info("bonjour", "We don't like invisible buddies, this is not a superheros comic\n");
398 close(client_socket);
399 return;
400 }
401 bb = (BonjourBuddy*)gb->proto_data;
402
403 /* Check if the conversation has been previously started */
404 if (bb->conversation == NULL)
405 {
406 bb->conversation = g_new(BonjourJabberConversation, 1);
407 bb->conversation->socket = client_socket;
408 bb->conversation->start_step_one = FALSE;
409 bb->conversation->start_step_two = FALSE;
410 bb->conversation->stream_started = FALSE;
411 bb->conversation->buddy_name = g_strdup(gb->name);
412 bb->conversation->message_id = 1;
413
414 if (bb->conversation->stream_started == FALSE) {
415 /* Start the stream */
416 send(bb->conversation->socket, DOCTYPE, strlen(DOCTYPE), 0);
417 bb->conversation->stream_started = TRUE;
418 }
419
420 /* Open a watcher for the client socket */
421 bb->conversation->watcher_id = gaim_input_add(client_socket, GAIM_INPUT_READ,
422 _client_socket_handler, gb);
423 } else {
424 close(client_socket);
425 }
426 }
427
428 gint
429 bonjour_jabber_start(BonjourJabber *data)
430 {
431 struct sockaddr_in my_addr;
432 int yes = 1;
433 char *error_message = NULL;
434
435 /* Open a listening socket for incoming conversations */
436 if ((data->socket = socket(PF_INET, SOCK_STREAM, 0)) < 0)
437 {
438 gaim_debug_error("bonjour", "Cannot get socket\n");
439 error_message = strerror(errno);
440 gaim_debug_error("bonjour", "%s\n", error_message);
441 gaim_connection_error(data->account->gc, "Cannot open socket");
442 return -1;
443 }
444
445 /* Make the socket reusable */
446 if (setsockopt(data->socket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) != 0)
447 {
448 gaim_debug_error("bonjour", "Cannot make socket reusable\n");
449 error_message = strerror(errno);
450 gaim_debug_error("bonjour", "%s\n", error_message);
451 gaim_connection_error(data->account->gc, "Error setting socket options");
452 return -1;
453 }
454
455 memset(&my_addr, 0, sizeof(struct sockaddr_in));
456 my_addr.sin_family = PF_INET;
457 my_addr.sin_port = htons(data->port);
458
459 if (bind(data->socket, (struct sockaddr*)&my_addr, sizeof(struct sockaddr)) != 0)
460 {
461 gaim_debug_error("bonjour", "Cannot bind socket\n");
462 error_message = strerror(errno);
463 gaim_debug_error("bonjour", "%s\n", error_message);
464 gaim_connection_error(data->account->gc, "Cannot bind socket to port");
465 return -1;
466 }
467
468 if (listen(data->socket, 10) != 0)
469 {
470 gaim_debug_error("bonjour", "Cannot listen to socket\n");
471 error_message = strerror(errno);
472 gaim_debug_error("bonjour", "%s\n", error_message);
473 gaim_connection_error(data->account->gc, "Cannot listen to socket");
474 return -1;
475 }
476
477 #if 0
478 /* TODO: Why isn't this being used? */
479 data->socket = gaim_network_listen(data->port, SOCK_STREAM);
480
481 if (data->socket == -1)
482 {
483 gaim_debug_error("bonjour", "No se ha podido crear el socket\n");
484 }
485 #endif
486
487 /* Open a watcher in the socket we have just opened */
488 data->watcher_id = gaim_input_add(data->socket, GAIM_INPUT_READ, _server_socket_handler, data);
489
490 return 0;
491 }
492
493 int
494 bonjour_jabber_send_message(BonjourJabber *data, const gchar *to, const gchar *body)
495 {
496 xmlnode *message_node = NULL;
497 gchar *message = NULL;
498 gint message_length = -1;
499 xmlnode *message_body_node = NULL;
500 xmlnode *message_html_node = NULL;
501 xmlnode *message_html_body_node = NULL;
502 xmlnode *message_html_body_font_node = NULL;
503 xmlnode *message_x_node = NULL;
504 GaimBuddy *gb = NULL;
505 BonjourBuddy *bb = NULL;
506 char *conv_message = NULL;
507 GaimConversation *conversation = NULL;
508 char *message_from_ui = NULL;
509 char *stripped_message = NULL;
510
511 gb = gaim_find_buddy(data->account, to);
512 if (gb == NULL)
513 /* You can not send a message to an offline buddy */
514 return -10000;
515
516 bb = (BonjourBuddy *)gb->proto_data;
517
518 /* Enclose the message from the UI within a "font" node */
519 message_body_node = xmlnode_new("body");
520 stripped_message = gaim_markup_strip_html(body);
521 xmlnode_insert_data(message_body_node, stripped_message, strlen(stripped_message));
522
523 message_from_ui = g_strconcat("<font>", body, "</font>", NULL);
524 message_html_body_font_node = xmlnode_from_str(message_from_ui, strlen(message_from_ui));
525
526 message_html_body_node = xmlnode_new("body");
527 xmlnode_insert_child(message_html_body_node, message_html_body_font_node);
528
529 message_html_node = xmlnode_new("html");
530 xmlnode_set_attrib(message_html_node, "xmlns", "http://www.w3.org/1999/xhtml");
531 xmlnode_insert_child(message_html_node, message_html_body_node);
532
533 message_x_node = xmlnode_new("x");
534 xmlnode_set_attrib(message_x_node, "xmlns", "jabber:x:event");
535 xmlnode_insert_child(message_x_node, xmlnode_new("composing"));
536
537 message_node = xmlnode_new("message");
538 xmlnode_set_attrib(message_node, "to", ((BonjourBuddy*)(gb->proto_data))->name);
539 xmlnode_set_attrib(message_node, "type", "chat");
540 xmlnode_insert_child(message_node, message_body_node);
541 xmlnode_insert_child(message_node, message_html_node);
542 xmlnode_insert_child(message_node, message_x_node);
543
544 message = xmlnode_to_str(message_node, &message_length);
545
546 /* Check if there is a previously open conversation */
547 if (bb->conversation == NULL)
548 {
549 bb->conversation = g_new(BonjourJabberConversation, 1);
550 bb->conversation->socket = _connect_to_buddy(gb);
551 bb->conversation->start_step_one = FALSE;
552 bb->conversation->start_step_two = FALSE;
553 bb->conversation->stream_started = FALSE;
554 bb->conversation->buddy_name = g_strdup(gb->name);
555 bb->conversation->watcher_id = gaim_input_add(bb->conversation->socket,
556 GAIM_INPUT_READ, _client_socket_handler, gb);
557 }
558
559 /* Check if the stream for the conversation has been started */
560 if (bb->conversation->stream_started == FALSE)
561 {
562 /* Start the stream */
563 if (send(bb->conversation->socket, DOCTYPE, strlen(DOCTYPE), 0) == -1)
564 {
565 gaim_debug_error("bonjour", "Unable to start a conversation\n");
566 gaim_debug_warning("bonjour", "send error: %s\n", strerror(errno));
567 conv_message = g_strdup("Unable to send the message, the conversation couldn't be started.");
568 conversation = gaim_find_conversation_with_account(GAIM_CONV_TYPE_IM, bb->name, data->account);
569 gaim_conversation_write(conversation, NULL, conv_message, GAIM_MESSAGE_SYSTEM, time(NULL));
570 close(bb->conversation->socket);
571 gaim_input_remove(bb->conversation->watcher_id);
572
573 /* Free all the data related to the conversation */
574 g_free(bb->conversation->buddy_name);
575 g_free(bb->conversation);
576 bb->conversation = NULL;
577 return 0;
578 }
579
580 bb->conversation->stream_started = TRUE;
581 }
582
583 /* Send the message */
584 if (_send_data(bb->conversation->socket, message) == -1)
585 return -10000;
586
587 return 1;
588 }
589
590 void
591 bonjour_jabber_close_conversation(BonjourJabber *data, GaimBuddy *gb)
592 {
593 BonjourBuddy *bb = (BonjourBuddy*)gb->proto_data;
594
595 if (bb->conversation != NULL)
596 {
597 /* Send the end of the stream to the other end of the conversation */
598 send(bb->conversation->socket, STREAM_END, strlen(STREAM_END), 0);
599
600 /* Close the socket and remove the watcher */
601 close(bb->conversation->socket);
602 gaim_input_remove(bb->conversation->watcher_id);
603
604 /* Free all the data related to the conversation */
605 g_free(bb->conversation->buddy_name);
606 g_free(bb->conversation);
607 bb->conversation = NULL;
608 }
609 }
610
611 void
612 bonjour_jabber_stop(BonjourJabber *data)
613 {
614 GaimBuddy *gb = NULL;
615 BonjourBuddy *bb = NULL;
616 GSList *buddies;
617 GSList *l;
618
619 /* Close the server socket and remove all the watcher */
620 close(data->socket);
621 gaim_input_remove(data->watcher_id);
622
623 /* Close all the sockets and remove all the watchers after sending end streams */
624 if (data->account->gc != NULL)
625 {
626 buddies = gaim_find_buddies(data->account, data->account->username);
627 for (l = buddies; l; l = l->next)
628 {
629 gb = (GaimBuddy*)l->data;
630 bb = (BonjourBuddy*)gb->proto_data;
631 if (bb->conversation != NULL)
632 {
633 send(bb->conversation->socket, STREAM_END, strlen(STREAM_END), 0);
634 close(bb->conversation->socket);
635 gaim_input_remove(bb->conversation->watcher_id);
636 }
637 }
638 g_slist_free(buddies);
639 }
640 }

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