1 | /***************************************************************************\ |
---|
2 | * * |
---|
3 | * BitlBee - An IRC to IM gateway * |
---|
4 | * Jabber module - SI packets * |
---|
5 | * * |
---|
6 | * Copyright 2007 Uli Meis <a.sporto+bee@gmail.com> * |
---|
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 along * |
---|
19 | * with this program; if not, write to the Free Software Foundation, Inc., * |
---|
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
---|
21 | * * |
---|
22 | \***************************************************************************/ |
---|
23 | |
---|
24 | #include "jabber.h" |
---|
25 | #include "lib/sha1.h" |
---|
26 | |
---|
27 | void jabber_si_answer_request(file_transfer_t *ft); |
---|
28 | int jabber_si_send_request(struct im_connection *ic, char *who, struct jabber_transfer *tf); |
---|
29 | |
---|
30 | /* file_transfer free() callback */ |
---|
31 | void jabber_si_free_transfer(file_transfer_t *ft) |
---|
32 | { |
---|
33 | struct jabber_transfer *tf = ft->data; |
---|
34 | struct jabber_data *jd = tf->ic->proto_data; |
---|
35 | |
---|
36 | if (tf->watch_in) { |
---|
37 | b_event_remove(tf->watch_in); |
---|
38 | tf->watch_in = 0; |
---|
39 | } |
---|
40 | |
---|
41 | jd->filetransfers = g_slist_remove(jd->filetransfers, tf); |
---|
42 | |
---|
43 | if (tf->fd != -1) { |
---|
44 | closesocket(tf->fd); |
---|
45 | tf->fd = -1; |
---|
46 | } |
---|
47 | |
---|
48 | if (tf->disco_timeout) { |
---|
49 | b_event_remove(tf->disco_timeout); |
---|
50 | } |
---|
51 | |
---|
52 | g_free(tf->ini_jid); |
---|
53 | g_free(tf->tgt_jid); |
---|
54 | g_free(tf->iq_id); |
---|
55 | g_free(tf->sid); |
---|
56 | g_free(tf); |
---|
57 | } |
---|
58 | |
---|
59 | /* file_transfer canceled() callback */ |
---|
60 | void jabber_si_canceled(file_transfer_t *ft, char *reason) |
---|
61 | { |
---|
62 | struct jabber_transfer *tf = ft->data; |
---|
63 | struct xt_node *reply, *iqnode; |
---|
64 | |
---|
65 | if (tf->accepted) { |
---|
66 | return; |
---|
67 | } |
---|
68 | |
---|
69 | iqnode = jabber_make_packet("iq", "error", tf->ini_jid, NULL); |
---|
70 | xt_add_attr(iqnode, "id", tf->iq_id); |
---|
71 | reply = jabber_make_error_packet(iqnode, "forbidden", "cancel", "403"); |
---|
72 | xt_free_node(iqnode); |
---|
73 | |
---|
74 | if (!jabber_write_packet(tf->ic, reply)) { |
---|
75 | imcb_log(tf->ic, "WARNING: Error generating reply to file transfer request"); |
---|
76 | } |
---|
77 | xt_free_node(reply); |
---|
78 | |
---|
79 | } |
---|
80 | |
---|
81 | int jabber_si_check_features(struct jabber_transfer *tf, GSList *features) |
---|
82 | { |
---|
83 | int foundft = FALSE, foundbt = FALSE, foundsi = FALSE; |
---|
84 | |
---|
85 | while (features) { |
---|
86 | if (!strcmp(features->data, XMLNS_FILETRANSFER)) { |
---|
87 | foundft = TRUE; |
---|
88 | } |
---|
89 | if (!strcmp(features->data, XMLNS_BYTESTREAMS)) { |
---|
90 | foundbt = TRUE; |
---|
91 | } |
---|
92 | if (!strcmp(features->data, XMLNS_SI)) { |
---|
93 | foundsi = TRUE; |
---|
94 | } |
---|
95 | |
---|
96 | features = g_slist_next(features); |
---|
97 | } |
---|
98 | |
---|
99 | if (!foundft) { |
---|
100 | imcb_file_canceled(tf->ic, tf->ft, "Buddy's client doesn't feature file transfers"); |
---|
101 | } else if (!foundbt) { |
---|
102 | imcb_file_canceled(tf->ic, tf->ft, "Buddy's client doesn't feature byte streams (required)"); |
---|
103 | } else if (!foundsi) { |
---|
104 | imcb_file_canceled(tf->ic, tf->ft, "Buddy's client doesn't feature stream initiation (required)"); |
---|
105 | } |
---|
106 | |
---|
107 | return foundft && foundbt && foundsi; |
---|
108 | } |
---|
109 | |
---|
110 | void jabber_si_transfer_start(struct jabber_transfer *tf) |
---|
111 | { |
---|
112 | |
---|
113 | if (!jabber_si_check_features(tf, tf->bud->features)) { |
---|
114 | return; |
---|
115 | } |
---|
116 | |
---|
117 | /* send the request to our buddy */ |
---|
118 | jabber_si_send_request(tf->ic, tf->bud->full_jid, tf); |
---|
119 | |
---|
120 | /* and start the receive logic */ |
---|
121 | imcb_file_recv_start(tf->ic, tf->ft); |
---|
122 | |
---|
123 | } |
---|
124 | |
---|
125 | gboolean jabber_si_waitfor_disco(gpointer data, gint fd, b_input_condition cond) |
---|
126 | { |
---|
127 | struct jabber_transfer *tf = data; |
---|
128 | struct jabber_data *jd = tf->ic->proto_data; |
---|
129 | |
---|
130 | tf->disco_timeout_fired++; |
---|
131 | |
---|
132 | if (tf->bud->features && jd->have_streamhosts == 1) { |
---|
133 | tf->disco_timeout = 0; |
---|
134 | jabber_si_transfer_start(tf); |
---|
135 | return FALSE; |
---|
136 | } |
---|
137 | |
---|
138 | /* 8 seconds should be enough for server and buddy to respond */ |
---|
139 | if (tf->disco_timeout_fired < 16) { |
---|
140 | return TRUE; |
---|
141 | } |
---|
142 | |
---|
143 | if (!tf->bud->features && jd->have_streamhosts != 1) { |
---|
144 | imcb_log(tf->ic, "Couldn't get buddy's features nor discover all services of the server"); |
---|
145 | } else if (!tf->bud->features) { |
---|
146 | imcb_log(tf->ic, "Couldn't get buddy's features"); |
---|
147 | } else { |
---|
148 | imcb_log(tf->ic, "Couldn't discover some of the server's services"); |
---|
149 | } |
---|
150 | |
---|
151 | tf->disco_timeout = 0; |
---|
152 | jabber_si_transfer_start(tf); |
---|
153 | return FALSE; |
---|
154 | } |
---|
155 | |
---|
156 | void jabber_si_transfer_request(struct im_connection *ic, file_transfer_t *ft, char *who) |
---|
157 | { |
---|
158 | struct jabber_transfer *tf; |
---|
159 | struct jabber_data *jd = ic->proto_data; |
---|
160 | struct jabber_buddy *bud; |
---|
161 | char *server = jd->server, *s; |
---|
162 | |
---|
163 | if ((s = strchr(who, '=')) && jabber_chat_by_jid(ic, s + 1)) { |
---|
164 | bud = jabber_buddy_by_ext_jid(ic, who, 0); |
---|
165 | } else { |
---|
166 | bud = jabber_buddy_by_jid(ic, who, 0); |
---|
167 | } |
---|
168 | |
---|
169 | if (bud == NULL) { |
---|
170 | imcb_file_canceled(ic, ft, "Couldn't find buddy (BUG?)"); |
---|
171 | return; |
---|
172 | } |
---|
173 | |
---|
174 | imcb_log(ic, "Trying to send %s(%zd bytes) to %s", ft->file_name, ft->file_size, who); |
---|
175 | |
---|
176 | tf = g_new0(struct jabber_transfer, 1); |
---|
177 | |
---|
178 | tf->ic = ic; |
---|
179 | tf->ft = ft; |
---|
180 | tf->fd = -1; |
---|
181 | tf->ft->data = tf; |
---|
182 | tf->ft->free = jabber_si_free_transfer; |
---|
183 | tf->bud = bud; |
---|
184 | ft->write = jabber_bs_send_write; |
---|
185 | |
---|
186 | jd->filetransfers = g_slist_prepend(jd->filetransfers, tf); |
---|
187 | |
---|
188 | /* query buddy's features and server's streaming proxies if neccessary */ |
---|
189 | |
---|
190 | if (!tf->bud->features) { |
---|
191 | jabber_iq_query_features(ic, bud->full_jid); |
---|
192 | } |
---|
193 | |
---|
194 | /* If <auto> is not set don't check for proxies */ |
---|
195 | if ((jd->have_streamhosts != 1) && (jd->streamhosts == NULL) && |
---|
196 | (strstr(set_getstr(&ic->acc->set, "proxy"), "<auto>") != NULL)) { |
---|
197 | jd->have_streamhosts = 0; |
---|
198 | jabber_iq_query_server(ic, server, XMLNS_DISCO_ITEMS); |
---|
199 | } else if (jd->streamhosts != NULL) { |
---|
200 | jd->have_streamhosts = 1; |
---|
201 | } |
---|
202 | |
---|
203 | /* if we had to do a query, wait for the result. |
---|
204 | * Otherwise fire away. */ |
---|
205 | if (!tf->bud->features || jd->have_streamhosts != 1) { |
---|
206 | tf->disco_timeout = b_timeout_add(500, jabber_si_waitfor_disco, tf); |
---|
207 | } else { |
---|
208 | jabber_si_transfer_start(tf); |
---|
209 | } |
---|
210 | } |
---|
211 | |
---|
212 | /* |
---|
213 | * First function that gets called when a file transfer request comes in. |
---|
214 | * A lot to parse. |
---|
215 | * |
---|
216 | * We choose a stream type from the options given by the initiator. |
---|
217 | * Then we wait for imcb to call the accept or cancel callbacks. |
---|
218 | */ |
---|
219 | int jabber_si_handle_request(struct im_connection *ic, struct xt_node *node, struct xt_node *sinode) |
---|
220 | { |
---|
221 | struct xt_node *c, *d, *reply; |
---|
222 | char *sid, *ini_jid, *tgt_jid, *iq_id, *s, *ext_jid, *size_s; |
---|
223 | struct jabber_buddy *bud; |
---|
224 | int requestok = FALSE; |
---|
225 | char *name, *cmp; |
---|
226 | size_t size; |
---|
227 | struct jabber_transfer *tf; |
---|
228 | struct jabber_data *jd = ic->proto_data; |
---|
229 | file_transfer_t *ft; |
---|
230 | |
---|
231 | /* All this means we expect something like this: ( I think ) |
---|
232 | * <iq from=... to=... id=...> |
---|
233 | * <si id=id xmlns=si profile=ft> |
---|
234 | * <file xmlns=ft/> |
---|
235 | * <feature xmlns=feature> |
---|
236 | * <x xmlns=xdata type=submit> |
---|
237 | * <field var=stream-method> |
---|
238 | * |
---|
239 | */ |
---|
240 | if (!(ini_jid = xt_find_attr(node, "from")) || |
---|
241 | !(tgt_jid = xt_find_attr(node, "to")) || |
---|
242 | !(iq_id = xt_find_attr(node, "id")) || |
---|
243 | !(sid = xt_find_attr(sinode, "id")) || |
---|
244 | !(cmp = xt_find_attr(sinode, "profile")) || |
---|
245 | !(0 == strcmp(cmp, XMLNS_FILETRANSFER)) || |
---|
246 | !(d = xt_find_node(sinode->children, "file")) || |
---|
247 | !(cmp = xt_find_attr(d, "xmlns")) || |
---|
248 | !(0 == strcmp(cmp, XMLNS_FILETRANSFER)) || |
---|
249 | !(name = xt_find_attr(d, "name")) || |
---|
250 | !(size_s = xt_find_attr(d, "size")) || |
---|
251 | !(1 == sscanf(size_s, "%zd", &size)) || |
---|
252 | !(d = xt_find_node(sinode->children, "feature")) || |
---|
253 | !(cmp = xt_find_attr(d, "xmlns")) || |
---|
254 | !(0 == strcmp(cmp, XMLNS_FEATURE)) || |
---|
255 | !(d = xt_find_node(d->children, "x")) || |
---|
256 | !(cmp = xt_find_attr(d, "xmlns")) || |
---|
257 | !(0 == strcmp(cmp, XMLNS_XDATA)) || |
---|
258 | !(cmp = xt_find_attr(d, "type")) || |
---|
259 | !(0 == strcmp(cmp, "form")) || |
---|
260 | !(d = xt_find_node(d->children, "field")) || |
---|
261 | !(cmp = xt_find_attr(d, "var")) || |
---|
262 | !(0 == strcmp(cmp, "stream-method"))) { |
---|
263 | imcb_log(ic, "WARNING: Received incomplete Stream Initiation request"); |
---|
264 | } else { |
---|
265 | /* Check if we support one of the options */ |
---|
266 | |
---|
267 | c = d->children; |
---|
268 | while ((c = xt_find_node(c, "option"))) { |
---|
269 | if ((d = xt_find_node(c->children, "value")) && |
---|
270 | (d->text != NULL) && |
---|
271 | (strcmp(d->text, XMLNS_BYTESTREAMS) == 0)) { |
---|
272 | requestok = TRUE; |
---|
273 | break; |
---|
274 | } else { |
---|
275 | c = c->next; |
---|
276 | } |
---|
277 | } |
---|
278 | |
---|
279 | if (!requestok) { |
---|
280 | imcb_log(ic, "WARNING: Unsupported file transfer request from %s", ini_jid); |
---|
281 | } |
---|
282 | } |
---|
283 | |
---|
284 | if (requestok) { |
---|
285 | /* Figure out who the transfer should come frome... */ |
---|
286 | |
---|
287 | ext_jid = ini_jid; |
---|
288 | if ((s = strchr(ini_jid, '/'))) { |
---|
289 | if ((bud = jabber_buddy_by_jid(ic, ini_jid, GET_BUDDY_EXACT))) { |
---|
290 | bud->last_msg = time(NULL); |
---|
291 | ext_jid = bud->ext_jid ? : bud->bare_jid; |
---|
292 | } else { |
---|
293 | *s = 0; /* We need to generate a bare JID now. */ |
---|
294 | } |
---|
295 | } |
---|
296 | |
---|
297 | if (!(ft = imcb_file_send_start(ic, ext_jid, name, size))) { |
---|
298 | imcb_log(ic, "WARNING: Error handling transfer request from %s", ini_jid); |
---|
299 | requestok = FALSE; |
---|
300 | } |
---|
301 | |
---|
302 | if (s) { |
---|
303 | *s = '/'; |
---|
304 | } |
---|
305 | } |
---|
306 | |
---|
307 | if (!requestok) { |
---|
308 | reply = jabber_make_error_packet(node, "item-not-found", "cancel", NULL); |
---|
309 | if (!jabber_write_packet(ic, reply)) { |
---|
310 | imcb_log(ic, "WARNING: Error generating reply to file transfer request"); |
---|
311 | } |
---|
312 | xt_free_node(reply); |
---|
313 | return XT_HANDLED; |
---|
314 | } |
---|
315 | |
---|
316 | /* Request is fine. */ |
---|
317 | |
---|
318 | tf = g_new0(struct jabber_transfer, 1); |
---|
319 | |
---|
320 | tf->ini_jid = g_strdup(ini_jid); |
---|
321 | tf->tgt_jid = g_strdup(tgt_jid); |
---|
322 | tf->iq_id = g_strdup(iq_id); |
---|
323 | tf->sid = g_strdup(sid); |
---|
324 | tf->ic = ic; |
---|
325 | tf->ft = ft; |
---|
326 | tf->fd = -1; |
---|
327 | tf->ft->data = tf; |
---|
328 | tf->ft->accept = jabber_si_answer_request; |
---|
329 | tf->ft->free = jabber_si_free_transfer; |
---|
330 | tf->ft->canceled = jabber_si_canceled; |
---|
331 | |
---|
332 | jd->filetransfers = g_slist_prepend(jd->filetransfers, tf); |
---|
333 | |
---|
334 | return XT_HANDLED; |
---|
335 | } |
---|
336 | |
---|
337 | /* |
---|
338 | * imc called the accept callback which probably means that the user accepted this file transfer. |
---|
339 | * We send our response to the initiator. |
---|
340 | * In the next step, the initiator will send us a request for the given stream type. |
---|
341 | * (currently that can only be a SOCKS5 bytestream) |
---|
342 | */ |
---|
343 | void jabber_si_answer_request(file_transfer_t *ft) |
---|
344 | { |
---|
345 | struct jabber_transfer *tf = ft->data; |
---|
346 | struct xt_node *node, *sinode, *reply; |
---|
347 | |
---|
348 | /* generate response, start with the SI tag */ |
---|
349 | sinode = xt_new_node("si", NULL, NULL); |
---|
350 | xt_add_attr(sinode, "xmlns", XMLNS_SI); |
---|
351 | xt_add_attr(sinode, "profile", XMLNS_FILETRANSFER); |
---|
352 | xt_add_attr(sinode, "id", tf->sid); |
---|
353 | |
---|
354 | /* now the file tag */ |
---|
355 | node = xt_new_node("file", NULL, NULL); |
---|
356 | xt_add_attr(node, "xmlns", XMLNS_FILETRANSFER); |
---|
357 | |
---|
358 | xt_add_child(sinode, node); |
---|
359 | |
---|
360 | /* and finally the feature tag */ |
---|
361 | node = xt_new_node("field", NULL, NULL); |
---|
362 | xt_add_attr(node, "var", "stream-method"); |
---|
363 | xt_add_attr(node, "type", "list-single"); |
---|
364 | |
---|
365 | /* Currently all we can do. One could also implement in-band (IBB) */ |
---|
366 | xt_add_child(node, xt_new_node("value", XMLNS_BYTESTREAMS, NULL)); |
---|
367 | |
---|
368 | node = xt_new_node("x", NULL, node); |
---|
369 | xt_add_attr(node, "xmlns", XMLNS_XDATA); |
---|
370 | xt_add_attr(node, "type", "submit"); |
---|
371 | |
---|
372 | node = xt_new_node("feature", NULL, node); |
---|
373 | xt_add_attr(node, "xmlns", XMLNS_FEATURE); |
---|
374 | |
---|
375 | xt_add_child(sinode, node); |
---|
376 | |
---|
377 | reply = jabber_make_packet("iq", "result", tf->ini_jid, sinode); |
---|
378 | xt_add_attr(reply, "id", tf->iq_id); |
---|
379 | |
---|
380 | if (!jabber_write_packet(tf->ic, reply)) { |
---|
381 | imcb_log(tf->ic, "WARNING: Error generating reply to file transfer request"); |
---|
382 | } else { |
---|
383 | tf->accepted = TRUE; |
---|
384 | } |
---|
385 | xt_free_node(reply); |
---|
386 | } |
---|
387 | |
---|
388 | static xt_status jabber_si_handle_response(struct im_connection *ic, struct xt_node *node, struct xt_node *orig) |
---|
389 | { |
---|
390 | struct xt_node *c, *d; |
---|
391 | char *ini_jid = NULL, *tgt_jid, *iq_id, *cmp; |
---|
392 | GSList *tflist; |
---|
393 | struct jabber_transfer *tf = NULL; |
---|
394 | struct jabber_data *jd = ic->proto_data; |
---|
395 | |
---|
396 | if (!(tgt_jid = xt_find_attr(node, "from")) || |
---|
397 | !(ini_jid = xt_find_attr(node, "to"))) { |
---|
398 | imcb_log(ic, "Invalid SI response from=%s to=%s", tgt_jid, ini_jid); |
---|
399 | return XT_HANDLED; |
---|
400 | } |
---|
401 | |
---|
402 | /* All this means we expect something like this: ( I think ) |
---|
403 | * <iq from=... to=... id=...> |
---|
404 | * <si xmlns=si> |
---|
405 | * [ <file xmlns=ft/> ] <-- not neccessary |
---|
406 | * <feature xmlns=feature> |
---|
407 | * <x xmlns=xdata type=submit> |
---|
408 | * <field var=stream-method> |
---|
409 | * <value> |
---|
410 | */ |
---|
411 | if (!(tgt_jid = xt_find_attr(node, "from")) || |
---|
412 | !(ini_jid = xt_find_attr(node, "to")) || |
---|
413 | !(iq_id = xt_find_attr(node, "id")) || |
---|
414 | !(c = xt_find_node(node->children, "si")) || |
---|
415 | !(cmp = xt_find_attr(c, "xmlns")) || |
---|
416 | !(strcmp(cmp, XMLNS_SI) == 0) || |
---|
417 | !(d = xt_find_node(c->children, "feature")) || |
---|
418 | !(cmp = xt_find_attr(d, "xmlns")) || |
---|
419 | !(strcmp(cmp, XMLNS_FEATURE) == 0) || |
---|
420 | !(d = xt_find_node(d->children, "x")) || |
---|
421 | !(cmp = xt_find_attr(d, "xmlns")) || |
---|
422 | !(strcmp(cmp, XMLNS_XDATA) == 0) || |
---|
423 | !(cmp = xt_find_attr(d, "type")) || |
---|
424 | !(strcmp(cmp, "submit") == 0) || |
---|
425 | !(d = xt_find_node(d->children, "field")) || |
---|
426 | !(cmp = xt_find_attr(d, "var")) || |
---|
427 | !(strcmp(cmp, "stream-method") == 0) || |
---|
428 | !(d = xt_find_node(d->children, "value"))) { |
---|
429 | imcb_log(ic, "WARNING: Received incomplete Stream Initiation response"); |
---|
430 | return XT_HANDLED; |
---|
431 | } |
---|
432 | |
---|
433 | if (!(strcmp(d->text, XMLNS_BYTESTREAMS) == 0)) { |
---|
434 | /* since we should only have advertised what we can do and the peer should |
---|
435 | * only have chosen what we offered, this should never happen */ |
---|
436 | imcb_log(ic, "WARNING: Received invalid Stream Initiation response, method %s", d->text); |
---|
437 | |
---|
438 | return XT_HANDLED; |
---|
439 | } |
---|
440 | |
---|
441 | /* Let's see if we can find out what this bytestream should be for... */ |
---|
442 | |
---|
443 | for (tflist = jd->filetransfers; tflist; tflist = g_slist_next(tflist)) { |
---|
444 | struct jabber_transfer *tft = tflist->data; |
---|
445 | if ((strcmp(tft->iq_id, iq_id) == 0)) { |
---|
446 | tf = tft; |
---|
447 | break; |
---|
448 | } |
---|
449 | } |
---|
450 | |
---|
451 | if (!tf) { |
---|
452 | imcb_log(ic, "WARNING: Received bytestream request from %s that doesn't match an SI request", ini_jid); |
---|
453 | return XT_HANDLED; |
---|
454 | } |
---|
455 | |
---|
456 | tf->ini_jid = g_strdup(ini_jid); |
---|
457 | tf->tgt_jid = g_strdup(tgt_jid); |
---|
458 | |
---|
459 | imcb_log(ic, "File %s: %s accepted the transfer!", tf->ft->file_name, tgt_jid); |
---|
460 | |
---|
461 | jabber_bs_send_start(tf); |
---|
462 | |
---|
463 | return XT_HANDLED; |
---|
464 | } |
---|
465 | |
---|
466 | int jabber_si_send_request(struct im_connection *ic, char *who, struct jabber_transfer *tf) |
---|
467 | { |
---|
468 | struct xt_node *node, *sinode; |
---|
469 | struct jabber_buddy *bud; |
---|
470 | |
---|
471 | /* who knows how many bits the future holds :) */ |
---|
472 | char filesizestr[ 1 + ( int ) (0.301029995663981198f * sizeof(size_t) * 8) ]; |
---|
473 | |
---|
474 | const char *methods[] = |
---|
475 | { |
---|
476 | XMLNS_BYTESTREAMS, |
---|
477 | //XMLNS_IBB, |
---|
478 | NULL |
---|
479 | }; |
---|
480 | const char **m; |
---|
481 | char *s; |
---|
482 | |
---|
483 | /* Maybe we should hash this? */ |
---|
484 | tf->sid = g_strdup_printf("BitlBeeJabberSID%d", tf->ft->local_id); |
---|
485 | |
---|
486 | if ((s = strchr(who, '=')) && jabber_chat_by_jid(ic, s + 1)) { |
---|
487 | bud = jabber_buddy_by_ext_jid(ic, who, 0); |
---|
488 | } else { |
---|
489 | bud = jabber_buddy_by_jid(ic, who, 0); |
---|
490 | } |
---|
491 | |
---|
492 | /* start with the SI tag */ |
---|
493 | sinode = xt_new_node("si", NULL, NULL); |
---|
494 | xt_add_attr(sinode, "xmlns", XMLNS_SI); |
---|
495 | xt_add_attr(sinode, "profile", XMLNS_FILETRANSFER); |
---|
496 | xt_add_attr(sinode, "id", tf->sid); |
---|
497 | |
---|
498 | /* if( mimetype ) |
---|
499 | xt_add_attr( node, "mime-type", mimetype ); */ |
---|
500 | |
---|
501 | /* now the file tag */ |
---|
502 | /* if( desc ) |
---|
503 | node = xt_new_node( "desc", descr, NULL ); */ |
---|
504 | node = xt_new_node("range", NULL, NULL); |
---|
505 | |
---|
506 | sprintf(filesizestr, "%zd", tf->ft->file_size); |
---|
507 | node = xt_new_node("file", NULL, node); |
---|
508 | xt_add_attr(node, "xmlns", XMLNS_FILETRANSFER); |
---|
509 | xt_add_attr(node, "name", tf->ft->file_name); |
---|
510 | xt_add_attr(node, "size", filesizestr); |
---|
511 | /* if (hash) |
---|
512 | xt_add_attr( node, "hash", hash ); |
---|
513 | if (date) |
---|
514 | xt_add_attr( node, "date", date ); */ |
---|
515 | |
---|
516 | xt_add_child(sinode, node); |
---|
517 | |
---|
518 | /* and finally the feature tag */ |
---|
519 | node = xt_new_node("field", NULL, NULL); |
---|
520 | xt_add_attr(node, "var", "stream-method"); |
---|
521 | xt_add_attr(node, "type", "list-single"); |
---|
522 | |
---|
523 | for (m = methods; *m; m++) { |
---|
524 | xt_add_child(node, xt_new_node("option", NULL, xt_new_node("value", (char *) *m, NULL))); |
---|
525 | } |
---|
526 | |
---|
527 | node = xt_new_node("x", NULL, node); |
---|
528 | xt_add_attr(node, "xmlns", XMLNS_XDATA); |
---|
529 | xt_add_attr(node, "type", "form"); |
---|
530 | |
---|
531 | node = xt_new_node("feature", NULL, node); |
---|
532 | xt_add_attr(node, "xmlns", XMLNS_FEATURE); |
---|
533 | |
---|
534 | xt_add_child(sinode, node); |
---|
535 | |
---|
536 | /* and we are there... */ |
---|
537 | node = jabber_make_packet("iq", "set", bud ? bud->full_jid : who, sinode); |
---|
538 | jabber_cache_add(ic, node, jabber_si_handle_response); |
---|
539 | tf->iq_id = g_strdup(xt_find_attr(node, "id")); |
---|
540 | |
---|
541 | return jabber_write_packet(ic, node); |
---|
542 | } |
---|