src/protocols/msn/directconn.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 * @file directconn.c MSN direct connection functions
3 *
4 * gaim
5 *
6 * Gaim is the legal property of its developers, whose names are too numerous
7 * to list here. Please refer to the COPYRIGHT file distributed with this
8 * source distribution.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 */
24 #include "msn.h"
25 #include "directconn.h"
26
27 #include "slp.h"
28 #include "slpmsg.h"
29
30 /**************************************************************************
31 * Directconn Specific
32 **************************************************************************/
33
34 void
35 msn_directconn_send_handshake(MsnDirectConn *directconn)
36 {
37 MsnSlpLink *slplink;
38 MsnSlpMessage *slpmsg;
39
40 g_return_if_fail(directconn != NULL);
41
42 slplink = directconn->slplink;
43
44 slpmsg = msn_slpmsg_new(slplink);
45 slpmsg->flags = 0x100;
46
47 if (directconn->nonce != NULL)
48 {
49 guint32 t1;
50 guint16 t2;
51 guint16 t3;
52 guint16 t4;
53 guint64 t5;
54
55 sscanf (directconn->nonce, "%08X-%04hX-%04hX-%04hX-%012" G_GINT64_MODIFIER "X", &t1, &t2, &t3, &t4, &t5);
56
57 t1 = GUINT32_TO_LE(t1);
58 t2 = GUINT16_TO_LE(t2);
59 t3 = GUINT16_TO_LE(t3);
60 t4 = GUINT16_TO_BE(t4);
61 t5 = GUINT64_TO_BE(t5);
62
63 slpmsg->ack_id = t1;
64 slpmsg->ack_sub_id = t2 | (t3 << 16);
65 slpmsg->ack_size = t4 | t5;
66 }
67
68 g_free(directconn->nonce);
69
70 msn_slplink_send_slpmsg(slplink, slpmsg);
71
72 directconn->acked =TRUE;
73 }
74
75 /**************************************************************************
76 * Connection Functions
77 **************************************************************************/
78
79 static int
80 create_listener(int port)
81 {
82 int fd;
83 const int on = 1;
84
85 #if 0
86 struct addrinfo hints;
87 struct addrinfo *c, *res;
88 char port_str[5];
89
90 snprintf(port_str, sizeof(port_str), "%d", port);
91
92 memset(&hints, 0, sizeof(hints));
93
94 hints.ai_flags = AI_PASSIVE;
95 hints.ai_family = AF_UNSPEC;
96 hints.ai_socktype = SOCK_STREAM;
97
98 if (getaddrinfo(NULL, port_str, &hints, &res) != 0)
99 {
100 gaim_debug_error("msn", "Could not get address info: %s.\n",
101 port_str);
102 return -1;
103 }
104
105 for (c = res; c != NULL; c = c->ai_next)
106 {
107 fd = socket(c->ai_family, c->ai_socktype, c->ai_protocol);
108
109 if (fd < 0)
110 continue;
111
112 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
113
114 if (bind(fd, c->ai_addr, c->ai_addrlen) == 0)
115 break;
116
117 close(fd);
118 }
119
120 if (c == NULL)
121 {
122 gaim_debug_error("msn", "Could not find socket: %s.\n", port_str);
123 return -1;
124 }
125
126 freeaddrinfo(res);
127 #else
128 struct sockaddr_in sockin;
129
130 fd = socket(AF_INET, SOCK_STREAM, 0);
131
132 if (fd < 0)
133 return -1;
134
135 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) != 0)
136 {
137 close(fd);
138 return -1;
139 }
140
141 memset(&sockin, 0, sizeof(struct sockaddr_in));
142 sockin.sin_family = AF_INET;
143 sockin.sin_port = htons(port);
144
145 if (bind(fd, (struct sockaddr *)&sockin, sizeof(struct sockaddr_in)) != 0)
146 {
147 close(fd);
148 return -1;
149 }
150 #endif
151
152 if (listen (fd, 4) != 0)
153 {
154 close (fd);
155 return -1;
156 }
157
158 fcntl(fd, F_SETFL, O_NONBLOCK);
159
160 return fd;
161 }
162
163 static size_t
164 msn_directconn_write(MsnDirectConn *directconn,
165 const char *data, size_t len)
166 {
167 char *buffer, *tmp;
168 size_t buf_size;
169 size_t ret;
170 guint32 sent_len;
171
172 g_return_val_if_fail(directconn != NULL, 0);
173
174 buf_size = len + 4;
175 buffer = tmp = g_malloc(buf_size);
176
177 sent_len = GUINT32_TO_LE(len);
178
179 memcpy(tmp, &sent_len, 4);
180 tmp += 4;
181 memcpy(tmp, data, len);
182 tmp += len;
183
184 ret = write(directconn->fd, buffer, buf_size);
185
186 #ifdef DEBUG_DC
187 char *str;
188 str = g_strdup_printf("%s/msntest/w%.4d.bin", g_get_home_dir(), directconn->c);
189
190 FILE *tf = g_fopen(str, "w");
191 fwrite(buffer, 1, buf_size, tf);
192 fclose(tf);
193
194 g_free(str);
195 #endif
196
197 g_free(buffer);
198
199 #if 0
200 /* Let's write the length of the data. */
201 ret = write(directconn->fd, &len, sizeof(len));
202
203 /* Let's write the data. */
204 ret = write(directconn->fd, data, len);
205
206 char *str;
207 str = g_strdup_printf("/home/revo/msntest/w%.4d.bin", directconn->c);
208
209 FILE *tf = g_fopen(str, "w");
210 fwrite(&len, 1, sizeof(len), tf);
211 fwrite(data, 1, len, tf);
212 fclose(tf);
213
214 g_free(str);
215 #endif
216
217 directconn->c++;
218
219 return ret;
220 }
221
222 #if 0
223 void
224 msn_directconn_parse_nonce(MsnDirectConn *directconn, const char *nonce)
225 {
226 guint32 t1;
227 guint16 t2;
228 guint16 t3;
229 guint16 t4;
230 guint64 t5;
231
232 g_return_if_fail(directconn != NULL);
233 g_return_if_fail(nonce != NULL);
234
235 sscanf (nonce, "%08X-%04hX-%04hX-%04hX-%012llX", &t1, &t2, &t3, &t4, &t5);
236
237 t1 = GUINT32_TO_LE(t1);
238 t2 = GUINT16_TO_LE(t2);
239 t3 = GUINT16_TO_LE(t3);
240 t4 = GUINT16_TO_BE(t4);
241 t5 = GUINT64_TO_BE(t5);
242
243 directconn->slpheader = g_new0(MsnSlpHeader, 1);
244
245 directconn->slpheader->ack_id = t1;
246 directconn->slpheader->ack_sub_id = t2 | (t3 << 16);
247 directconn->slpheader->ack_size = t4 | t5;
248 }
249 #endif
250
251 void
252 msn_directconn_send_msg(MsnDirectConn *directconn, MsnMessage *msg)
253 {
254 char *body;
255 size_t body_len;
256
257 body = msn_message_gen_slp_body(msg, &body_len);
258
259 msn_directconn_write(directconn, body, body_len);
260 }
261
262 static void
263 msn_directconn_process_msg(MsnDirectConn *directconn, MsnMessage *msg)
264 {
265 gaim_debug_info("msn", "directconn: process_msg\n");
266
267 msn_slplink_process_msg(directconn->slplink, msg);
268 }
269
270 static void
271 read_cb(gpointer data, gint source, GaimInputCondition cond)
272 {
273 MsnDirectConn* directconn;
274 char *body;
275 size_t len, body_len;
276
277 gaim_debug_info("msn", "read_cb: %d, %d\n", source, cond);
278
279 directconn = data;
280
281 /* Let's read the length of the data. */
282 len = read(directconn->fd, &body_len, sizeof(body_len));
283
284 if (len <= 0)
285 {
286 /* ERROR */
287 gaim_debug_error("msn", "error reading\n");
288
289 if (directconn->inpa)
290 gaim_input_remove(directconn->inpa);
291
292 close(directconn->fd);
293
294 msn_directconn_destroy(directconn);
295
296 return;
297 }
298
299 body_len = GUINT32_FROM_LE(body_len);
300
301 gaim_debug_info("msn", "body_len=%d\n", body_len);
302
303 if (body_len <= 0)
304 {
305 /* ERROR */
306 gaim_debug_error("msn", "error reading\n");
307
308 if (directconn->inpa)
309 gaim_input_remove(directconn->inpa);
310
311 close(directconn->fd);
312
313 msn_directconn_destroy(directconn);
314
315 return;
316 }
317
318 body = g_try_malloc(body_len);
319
320 if (body != NULL)
321 {
322 /* Let's read the data. */
323 len = read(directconn->fd, body, body_len);
324
325 gaim_debug_info("msn", "len=%d\n", len);
326 }
327 else
328 {
329 gaim_debug_error("msn", "Failed to allocate memory for read\n");
330 len = 0;
331 }
332
333 if (len > 0)
334 {
335 MsnMessage *msg;
336
337 #ifdef DEBUG_DC
338 str = g_strdup_printf("/home/revo/msntest/r%.4d.bin", directconn->c);
339
340 FILE *tf = g_fopen(str, "w");
341 fwrite(body, 1, len, tf);
342 fclose(tf);
343
344 g_free(str);
345 #endif
346
347 directconn->c++;
348
349 msg = msn_message_new_msnslp();
350 msn_message_parse_slp_body(msg, body, body_len);
351
352 msn_directconn_process_msg(directconn, msg);
353 }
354 else
355 {
356 /* ERROR */
357 gaim_debug_error("msn", "error reading\n");
358
359 if (directconn->inpa)
360 gaim_input_remove(directconn->inpa);
361
362 close(directconn->fd);
363
364 msn_directconn_destroy(directconn);
365 }
366 }
367
368 static void
369 connect_cb(gpointer data, gint source, GaimInputCondition cond)
370 {
371 MsnDirectConn* directconn;
372 int fd;
373
374 gaim_debug_misc("msn", "directconn: connect_cb: %d, %d.\n", source, cond);
375
376 directconn = data;
377
378 if (TRUE)
379 {
380 fd = source;
381 }
382 else
383 {
384 struct sockaddr_in client_addr;
385 unsigned int client;
386 fd = accept (source, (struct sockaddr *)&client_addr, &client);
387 }
388
389 directconn->fd = fd;
390
391 if (fd > 0)
392 {
393 directconn->inpa = gaim_input_add(fd, GAIM_INPUT_READ, read_cb,
394 directconn);
395
396 if (TRUE)
397 {
398 /* Send foo. */
399 msn_directconn_write(directconn, "foo", strlen("foo") + 1);
400
401 /* Send Handshake */
402 msn_directconn_send_handshake(directconn);
403 }
404 else
405 {
406 }
407 }
408 else
409 {
410 /* ERROR */
411 gaim_debug_error("msn", "could not add input\n");
412
413 if (directconn->inpa)
414 gaim_input_remove(directconn->inpa);
415
416 close(directconn->fd);
417 }
418 }
419
420 gboolean
421 msn_directconn_connect(MsnDirectConn *directconn, const char *host, int port)
422 {
423 MsnSession *session;
424 int r;
425
426 g_return_val_if_fail(directconn != NULL, FALSE);
427 g_return_val_if_fail(host != NULL, TRUE);
428 g_return_val_if_fail(port > 0, FALSE);
429
430 session = directconn->slplink->session;
431
432 #if 0
433 if (session->http_method)
434 {
435 servconn->http_data->gateway_host = g_strdup(host);
436 }
437 #endif
438
439 r = gaim_proxy_connect(session->account, host, port, connect_cb,
440 directconn);
441
442 if (r == 0)
443 {
444 return TRUE;
445 }
446 else
447 return FALSE;
448 }
449
450 void
451 msn_directconn_listen(MsnDirectConn *directconn)
452 {
453 int port;
454 int fd;
455
456 port = 7000;
457
458 for (fd = -1; fd < 0;)
459 fd = create_listener(++port);
460
461 directconn->fd = fd;
462
463 directconn->inpa = gaim_input_add(fd, GAIM_INPUT_READ,
464 connect_cb, directconn);
465
466 directconn->port = port;
467 directconn->c = 0;
468 }
469
470 MsnDirectConn*
471 msn_directconn_new(MsnSlpLink *slplink)
472 {
473 MsnDirectConn *directconn;
474
475 directconn = g_new0(MsnDirectConn, 1);
476
477 directconn->slplink = slplink;
478
479 if (slplink->directconn != NULL)
480 gaim_debug_info("msn", "got_transresp: LEAK\n");
481
482 slplink->directconn = directconn;
483
484 return directconn;
485 }
486
487 void
488 msn_directconn_destroy(MsnDirectConn *directconn)
489 {
490 if (directconn->nonce != NULL)
491 g_free(directconn->nonce);
492
493 directconn->slplink->directconn = NULL;
494
495 g_free(directconn);
496 }

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