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Commit | Line | Data |
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1 | /* | |
2 | * File transfer (OFT) and DirectIM. | |
3 | */ | |
4 | ||
5 | #define FAIM_INTERNAL_FT | |
6 | #define FAIM_INTERNAL | |
7 | #include <faim/aim.h> | |
8 | ||
9 | #ifndef _WIN32 | |
10 | #include <netdb.h> | |
11 | #include <sys/socket.h> | |
12 | #include <netinet/in.h> | |
13 | #include <sys/utsname.h> /* for aim_directim_initiate */ | |
14 | ||
15 | #include <arpa/inet.h> /* for inet_ntoa */ | |
16 | ||
17 | #endif | |
18 | ||
19 | /* TODO: | |
20 | o fix misspelling of receive | |
21 | o double-check mutex states on error returns | |
22 | o look for memory leaks.. there's going to be shitloads, i'm sure. | |
23 | o change listing FILE to listing filesend callback | |
24 | o change send_file and send_chunk over to buffers. | |
25 | */ | |
26 | ||
27 | static struct aim_fileheader_t *aim_oft_getfh(unsigned char *hdr); | |
28 | ||
29 | /** | |
30 | * aim_handlerendconnect - call this to accept OFT connections and set up the requisite structures | |
31 | * @sess: the session | |
32 | * @cur: the conn the incoming connection is on | |
33 | * | |
34 | * call this when you get an outstanding read on a conn with subtype | |
35 | * AIM_CONN_SUBTYPE_RENDEZVOUS_OUT, it will close the current fd and | |
36 | * call a callback with the new, accept'd fd to the other person. then we | |
37 | * get to start the fun that is OFT! | |
38 | */ | |
39 | faim_export int aim_handlerendconnect(struct aim_session_t *sess, struct aim_conn_t *cur) | |
40 | { | |
41 | int acceptfd = 0; | |
42 | rxcallback_t userfunc; | |
43 | struct sockaddr cliaddr; | |
44 | socklen_t clilen = sizeof(cliaddr); | |
45 | int ret = 0; | |
46 | struct aim_conn_t *newconn; | |
47 | ||
48 | if( (acceptfd = accept(cur->fd, &cliaddr, &clilen)) == -1) | |
49 | return -1; | |
50 | if (cliaddr.sa_family != AF_INET) { /* just in case IPv6 really is happening */ | |
51 | close(acceptfd); | |
52 | aim_conn_close(cur); | |
53 | return -1; | |
54 | } | |
55 | ||
56 | /* clone it and then close the original */ | |
57 | /* XXX safe? maybe cur->priv should be NULLed after this */ | |
58 | if (!(newconn = aim_cloneconn(sess, cur))) { | |
59 | close(acceptfd); | |
60 | aim_conn_close(cur); | |
61 | return -1; | |
62 | } | |
63 | aim_conn_close(cur); | |
64 | ||
65 | newconn->type = AIM_CONN_TYPE_RENDEZVOUS; | |
66 | newconn->fd = acceptfd; | |
67 | ||
68 | switch(newconn->subtype) { | |
69 | case AIM_CONN_SUBTYPE_OFT_DIRECTIM: { | |
70 | struct aim_directim_priv *priv; | |
71 | ||
72 | if(!newconn->priv) | |
73 | newconn->priv = (struct aim_directim_priv *)calloc(1, sizeof(struct aim_directim_priv)); | |
74 | priv = (struct aim_directim_priv *)newconn->priv; | |
75 | ||
76 | snprintf(priv->ip, sizeof(priv->ip), "%s:%u", | |
77 | inet_ntoa(((struct sockaddr_in *)&cliaddr)->sin_addr), | |
78 | ntohs(((struct sockaddr_in *)&cliaddr)->sin_port)); | |
79 | ||
80 | /* should we really do this? seems like the client should decide. maybe clone the connection and keep the listener open. -- mid */ | |
81 | if ( (userfunc = aim_callhandler(newconn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMINITIATE))) | |
82 | ret = userfunc(sess, NULL, newconn); | |
83 | ||
84 | break; | |
85 | } | |
86 | case AIM_CONN_SUBTYPE_OFT_GETFILE: { | |
87 | struct aim_filetransfer_priv *priv; | |
88 | ||
89 | if(!newconn->priv) | |
90 | newconn->priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv)); | |
91 | priv = (struct aim_filetransfer_priv *)newconn->priv; | |
92 | ||
93 | snprintf(priv->ip, sizeof(priv->ip), "%s:%u", inet_ntoa(((struct sockaddr_in *)&cliaddr)->sin_addr), ntohs(((struct sockaddr_in *)&cliaddr)->sin_port)); | |
94 | ||
95 | if ( (userfunc = aim_callhandler(newconn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEINITIATE))) | |
96 | ret = userfunc(sess, NULL, newconn); | |
97 | ||
98 | break; | |
99 | } | |
100 | default: { | |
101 | faimdprintf(1,"Got a Connection on a listener that's not Rendezvous(??!) Killing conn.\n"); | |
102 | aim_conn_close(newconn); | |
103 | break; | |
104 | } | |
105 | } | |
106 | ||
107 | return ret; | |
108 | } | |
109 | ||
110 | /* | |
111 | * aim_send_im_direct - send IM client-to-client over established connection | |
112 | * @sess: session to conn | |
113 | * @conn: directim connection | |
114 | * @msg: null-terminated string to send; if this is NULL, it will send a "typing" notice. | |
115 | * | |
116 | */ | |
117 | faim_export int aim_send_im_direct(struct aim_session_t *sess, struct aim_conn_t *conn, char *msg) | |
118 | { | |
119 | ||
120 | struct command_tx_struct *newpacket; | |
121 | struct aim_directim_priv *priv = NULL; | |
122 | int i; | |
123 | if (!sess || !conn || (conn->type != AIM_CONN_TYPE_RENDEZVOUS) || !conn->priv) { | |
124 | faimdprintf(2,"faim: directim: invalid arguments\n"); | |
125 | return -1; | |
126 | } | |
127 | ||
128 | priv = (struct aim_directim_priv *)conn->priv; | |
129 | ||
130 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OFT, 0x0001, conn, strlen(msg)))) { | |
131 | faimdprintf(2,"faim: directim: tx_new failed\n"); | |
132 | return -1; | |
133 | } | |
134 | ||
135 | newpacket->lock = 1; | |
136 | ||
137 | /* if msg is non-null, we'resending an IM, else a "typing" notice */ | |
138 | if(msg) { | |
139 | if (strlen(msg) >= MAXMSGLEN) | |
140 | return -1; | |
141 | newpacket->hdr.oft.hdr2len = 0x54; | |
142 | if (!(newpacket->hdr.oft.hdr2 = calloc(1,newpacket->hdr.oft.hdr2len))) { | |
143 | newpacket->lock = 0; | |
144 | aim_tx_destroy(newpacket); | |
145 | return -1; | |
146 | } | |
147 | } else { | |
148 | newpacket->hdr.oft.hdr2len = 0x44; | |
149 | if (!(newpacket->hdr.oft.hdr2 = calloc(1,newpacket->hdr.oft.hdr2len))) { | |
150 | newpacket->lock = 0; | |
151 | aim_tx_destroy(newpacket); | |
152 | return -1; | |
153 | } | |
154 | } | |
155 | ||
156 | memcpy(newpacket->hdr.oft.magic, "ODC2", 4); | |
157 | newpacket->data = NULL; | |
158 | ||
159 | i = 0; | |
160 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0006); | |
161 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
162 | i += aimutil_putstr(newpacket->hdr.oft.hdr2+i, (char *)priv->cookie, 8); | |
163 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
164 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
165 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
166 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
167 | i += aimutil_put32(newpacket->hdr.oft.hdr2+i, 0x00000000); | |
168 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
169 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
170 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
171 | ||
172 | /* flags -- 0x000e for "typing", 0x0000 for message */ | |
173 | if(msg) | |
174 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
175 | else | |
176 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x000e); | |
177 | ||
178 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
179 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
180 | i += aimutil_putstr(newpacket->hdr.oft.hdr2+i, sess->sn, strlen(sess->sn)); | |
181 | i = 52; | |
182 | ||
183 | i += aimutil_put8(newpacket->hdr.oft.hdr2+i, 0x00); | |
184 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
185 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
186 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
187 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
188 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
189 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
190 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
191 | ||
192 | /* end of hdr2 */ | |
193 | ||
194 | if(msg) { | |
195 | /* values grabbed from a dump */ | |
196 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0008); | |
197 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x000c); | |
198 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000); | |
199 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x1466); | |
200 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0001); | |
201 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x2e0f); | |
202 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x393e); | |
203 | i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0xcac8); | |
204 | memcpy(newpacket->data, msg, strlen(msg)); | |
205 | } | |
206 | newpacket->lock = 0; | |
207 | aim_tx_enqueue(sess, newpacket); | |
208 | return 0; | |
209 | } | |
210 | ||
211 | /* | |
212 | * aim_directim_intitiate - For those times when we want to open up the directim channel ourselves. | |
213 | * @sess: your session, | |
214 | * @conn: the BOS conn, | |
215 | * @priv: a dummy priv value (we'll let it get filled in later) (if you pass a NULL, we alloc one) | |
216 | * @destsn: the SN to connect to. | |
217 | * | |
218 | */ | |
219 | faim_export struct aim_conn_t *aim_directim_initiate(struct aim_session_t *sess, | |
220 | struct aim_conn_t *conn, | |
221 | struct aim_directim_priv *priv, | |
222 | char *destsn) | |
223 | { | |
224 | ||
225 | struct command_tx_struct *newpacket; | |
226 | struct aim_conn_t *newconn; | |
227 | struct aim_msgcookie_t *cookie; | |
228 | int curbyte, i, listenfd; | |
229 | short port = 4443; | |
230 | struct hostent *hptr; | |
231 | char localhost[129]; | |
232 | unsigned char cap[16]; | |
233 | char d[4]; /* IPv6 is a bit bigger... */ | |
234 | ||
235 | /* XXX: TLVlist-ize this */ | |
236 | ||
237 | /* Open our socket */ | |
238 | ||
239 | if( (listenfd = aim_listenestablish(port)) == -1) | |
240 | return NULL; | |
241 | ||
242 | /* get our local IP */ | |
243 | /* XXX if available, use getaddrinfo() */ | |
244 | /* XXX allow client to specify which IP to use for multihomed boxes */ | |
245 | if(gethostname(localhost, 128) < 0) | |
246 | return NULL; | |
247 | if( (hptr = gethostbyname(localhost)) == NULL) | |
248 | return NULL; | |
249 | memcpy(&d, hptr->h_addr_list[0], 4); | |
250 | ||
251 | /* XXX: this probably isn't quite kosher, but it works */ | |
252 | aim_putcap(cap, 16, AIM_CAPS_IMIMAGE); | |
253 | ||
254 | /* create the OSCAR packet */ | |
255 | ||
256 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+8+2+1+strlen(destsn)+4+4+0x32))) | |
257 | return NULL; | |
258 | newpacket->lock = 1; | |
259 | ||
260 | curbyte = 0; | |
261 | curbyte += aim_putsnac(newpacket->data+curbyte, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
262 | ||
263 | /* Generate a random message cookie */ | |
264 | /* This cookie needs to be alphanumeric and NULL-terminated to be TOC-compatible. */ | |
265 | for (i=0; i<7; i++) | |
266 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x30 + ((u_char) rand() % 20)); | |
267 | ||
268 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
269 | ||
270 | /* grab all the data for cookie caching */ | |
271 | cookie = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)); | |
272 | memcpy(cookie->cookie, newpacket->data+curbyte-8, 8); | |
273 | cookie->type = AIM_COOKIETYPE_OFTIM; | |
274 | priv = cookie->data; | |
275 | ||
276 | if(!priv) | |
277 | priv = (struct aim_directim_priv *)calloc(1, sizeof(struct aim_directim_priv)); | |
278 | ||
279 | memcpy(priv->cookie, cookie, 8); | |
280 | memcpy(priv->sn, destsn, sizeof(priv->sn)); | |
281 | cookie->data = priv; | |
282 | aim_cachecookie(sess, cookie); | |
283 | ||
284 | /* Channel ID */ | |
285 | curbyte += aimutil_put16(newpacket->data+curbyte,0x0002); | |
286 | ||
287 | /* Destination SN (prepended with byte length)*/ | |
288 | curbyte += aimutil_put8(newpacket->data+curbyte,strlen(destsn)); | |
289 | curbyte += aimutil_putstr(newpacket->data+curbyte, destsn, strlen(destsn)); | |
290 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
291 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
292 | ||
293 | /* enTLV start */ | |
294 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
295 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0032); | |
296 | ||
297 | /* Flag data / ICBM Parameters */ | |
298 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
299 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
300 | ||
301 | /* Cookie */ | |
302 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cookie, 8); | |
303 | ||
304 | /*Capability String */ | |
305 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cap, 0x10); | |
306 | ||
307 | /* 000a/0002 : 0001 */ | |
308 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a); | |
309 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
310 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
311 | ||
312 | /* 0003/0004: IP address */ | |
313 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
314 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0004); | |
315 | for(i = 0;i < 4; i++) | |
316 | curbyte += aimutil_put8(newpacket->data+curbyte, d[i]); | |
317 | ||
318 | /* 0005/0002: Port */ | |
319 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
320 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
321 | curbyte += aimutil_put16(newpacket->data+curbyte, port); | |
322 | ||
323 | /* 000f/0000: ?? */ | |
324 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f); | |
325 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
326 | newpacket->commandlen = curbyte; | |
327 | newpacket->lock = 0; | |
328 | aim_tx_enqueue(sess, newpacket); | |
329 | ||
330 | ||
331 | /* XXX switch to aim_cloneconn()? */ | |
332 | if (!(newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL))) | |
333 | return NULL; | |
334 | ||
335 | newconn->fd = listenfd; | |
336 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_DIRECTIM; | |
337 | newconn->priv = priv; | |
338 | newconn->lastactivity = time(NULL); | |
339 | ||
340 | faimdprintf(2,"faim: listening (fd = %d, unconnected)\n", newconn->fd); | |
341 | ||
342 | return newconn; | |
343 | } | |
344 | ||
345 | /* | |
346 | * unsigned long aim_oft_listener_clean - close up old listeners | |
347 | * @sess: session to clean up in | |
348 | * @age: maximum age in seconds | |
349 | * | |
350 | * returns number closed, -1 on error. | |
351 | */ | |
352 | faim_export unsigned int aim_oft_listener_clean(struct aim_session_t *sess, time_t age) | |
353 | { | |
354 | struct aim_conn_t *cur; | |
355 | time_t now; | |
356 | unsigned int hit = 0; | |
357 | ||
358 | if(!sess) | |
359 | return -1; | |
360 | now = time(NULL); | |
361 | faim_mutex_lock(&sess->connlistlock); | |
362 | for(cur = sess->connlist;cur; cur = cur->next) | |
363 | if(cur->type == AIM_CONN_TYPE_RENDEZVOUS_OUT) { | |
364 | faim_mutex_lock(&cur->active); | |
365 | if (cur->lastactivity < (now - age) ) { | |
366 | faim_mutex_unlock(&cur->active); | |
367 | aim_conn_close(cur); | |
368 | hit++; | |
369 | } else | |
370 | faim_mutex_unlock(&cur->active); | |
371 | } | |
372 | faim_mutex_unlock(&sess->connlistlock); | |
373 | return hit; | |
374 | } | |
375 | ||
376 | /* | |
377 | * aim_directim_connect - connect to buddy for directim | |
378 | * @sess: the session to append the conn to, | |
379 | * @conn: the BOS connection, | |
380 | * @priv: the filled-in priv data structure for the connection | |
381 | * | |
382 | * returns conn if connected, %NULL on error | |
383 | */ | |
384 | faim_export struct aim_conn_t *aim_directim_connect(struct aim_session_t *sess, struct aim_conn_t *conn, struct aim_directim_priv *priv) | |
385 | { | |
386 | struct aim_conn_t *newconn = NULL; | |
387 | ||
388 | if(!sess || !conn || !priv) | |
389 | return NULL; | |
390 | ||
391 | /* XXX verify that non-blocking connects actually work */ | |
392 | newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS, priv->ip); | |
393 | if (!newconn || (newconn->fd == -1)) { | |
394 | faimdprintf(2, "could not connect to %s\n", priv->ip); | |
395 | perror("aim_newconn"); | |
396 | /* Its safe to call conn_kill here since we created the connection */ | |
397 | if (newconn) | |
398 | aim_conn_kill(sess, &newconn); | |
399 | return NULL; | |
400 | } | |
401 | ||
402 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_DIRECTIM; | |
403 | newconn->priv = priv; | |
404 | faimdprintf(2, "faim: connected to peer (fd = %d)\n", newconn->fd); | |
405 | ||
406 | return newconn; | |
407 | } | |
408 | ||
409 | /* | |
410 | * aim_directim_getconn - find a directim conn for buddy name | |
411 | * @sess: your session, | |
412 | * @name: the name to get, | |
413 | * | |
414 | * returns conn for directim with name, %NULL if none found. | |
415 | * | |
416 | */ | |
417 | faim_export struct aim_conn_t *aim_directim_getconn(struct aim_session_t *sess, const char *name) | |
418 | { | |
419 | struct aim_conn_t *cur; | |
420 | struct aim_directim_priv *priv; | |
421 | ||
422 | if(!sess || !name) | |
423 | return NULL; | |
424 | ||
425 | faim_mutex_lock(&sess->connlistlock); | |
426 | ||
427 | for (cur = sess->connlist; cur; cur = cur->next) { | |
428 | if (cur->type != AIM_CONN_TYPE_RENDEZVOUS || cur->subtype != AIM_CONN_SUBTYPE_OFT_DIRECTIM) | |
429 | continue; | |
430 | priv = cur->priv; | |
431 | if (aim_sncmp(priv->sn, name) == 0) | |
432 | break; | |
433 | } faim_mutex_unlock(&sess->connlistlock); | |
434 | return cur; | |
435 | } | |
436 | ||
437 | /* | |
438 | * aim_accepttransfer - accept a file transfer request | |
439 | * @sess: the session, | |
440 | * @conn: the BOS conn for the CAP reply | |
441 | * @sn: the screenname to send it to, | |
442 | * @cookie: the cookie used | |
443 | * @ip: the ip to connect to | |
444 | * @listingfiles: number of files to share | |
445 | * @listingtotsize: total size of shared files | |
446 | * @listingsize: length of the listing file(buffer) | |
447 | * @listingchecksum: checksum of the listing | |
448 | * @rendid: capability type (%AIM_CAPS_GETFILE or %AIM_CAPS_SENDFILE) | |
449 | * | |
450 | * returns connection or %NULL on error. | |
451 | */ | |
452 | faim_export struct aim_conn_t *aim_accepttransfer(struct aim_session_t *sess, | |
453 | struct aim_conn_t *conn, | |
454 | char *sn, char *cookie, | |
455 | char *ip, | |
456 | unsigned short listingfiles, | |
457 | unsigned short listingtotsize, | |
458 | unsigned short listingsize, | |
459 | unsigned int listingchecksum, | |
460 | unsigned short rendid) | |
461 | { | |
462 | struct command_tx_struct *newpacket, *newoft; | |
463 | struct aim_conn_t *newconn; | |
464 | struct aim_fileheader_t *fh; | |
465 | struct aim_filetransfer_priv *priv; | |
466 | struct aim_msgcookie_t *cachedcook; | |
467 | int curbyte, i; | |
468 | ||
469 | if(!sess || !conn || !sn || !cookie || !ip) | |
470 | return NULL; | |
471 | ||
472 | if(rendid == AIM_CAPS_GETFILE) { | |
473 | newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS, ip); | |
474 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE; | |
475 | ||
476 | if (!newconn || (newconn->fd == -1)) { | |
477 | perror("aim_newconn"); | |
478 | faimdprintf(2, "could not connect to %s (fd: %i)\n", ip, newconn?newconn->fd:0); | |
479 | /* Its safe to call conn_kill here since we created the connection */ | |
480 | if (newconn) | |
481 | aim_conn_kill(sess, &newconn); | |
482 | return NULL; | |
483 | } else { | |
484 | priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv)); | |
485 | ||
486 | memcpy(priv->cookie, cookie, 8); | |
487 | priv->state = 0; | |
488 | strncpy(priv->sn, sn, MAXSNLEN); | |
489 | strncpy(priv->ip, ip, sizeof(priv->ip)); | |
490 | newconn->priv = (void *)priv; | |
491 | ||
492 | faimdprintf(2, "faim: connected to peer (fd = %d)\n", newconn->fd); | |
493 | } | |
494 | ||
495 | if(rendid == AIM_CAPS_GETFILE) { | |
496 | faimdprintf(2, "faim: getfile request accept\n"); | |
497 | ||
498 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x1108, newconn, 0))) { | |
499 | faimdprintf(2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
500 | /* Its safe to call conn_kill here since we created the connection */ | |
501 | aim_conn_kill(sess, &newconn); | |
502 | return NULL; | |
503 | } | |
504 | ||
505 | newoft->lock = 1; | |
506 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
507 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
508 | ||
509 | if(!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t)))) | |
510 | return NULL; | |
511 | ||
512 | fh->encrypt = 0x0000; | |
513 | fh->compress = 0x0000; | |
514 | fh->totfiles = listingfiles; | |
515 | fh->filesleft = listingfiles; /* is this right -- total parts and parts left?*/ | |
516 | fh->totparts = 0x0001; | |
517 | fh->partsleft = 0x0001; | |
518 | fh->totsize = listingtotsize; | |
519 | fh->size = listingsize; /* ls -l listing.txt */ | |
520 | fh->modtime = (int)time(NULL); /* we'll go with current time for now */ | |
521 | fh->checksum = listingchecksum; | |
522 | fh->rfcsum = 0x00000000; | |
523 | fh->rfsize = 0x00000000; | |
524 | fh->cretime = 0x00000000; | |
525 | fh->rfcsum = 0x00000000; | |
526 | fh->nrecvd = 0x00000000; | |
527 | fh->recvcsum = 0x00000000; | |
528 | memset(fh->idstring, 0, sizeof(fh->idstring)); | |
529 | memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring)); | |
530 | fh->flags = 0x02; | |
531 | fh->lnameoffset = 0x1a; | |
532 | fh->lsizeoffset = 0x10; | |
533 | memset(fh->dummy, 0, sizeof(fh->dummy)); | |
534 | memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo)); | |
535 | ||
536 | /* we need to figure out these encodings for filenames */ | |
537 | fh->nencode = 0x0000; | |
538 | fh->nlanguage = 0x0000; | |
539 | memset(fh->name, 0, sizeof(fh->name)); | |
540 | memcpy(fh->name, "listing.txt", sizeof(fh->name)); | |
541 | ||
542 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
543 | newoft->lock = 0; | |
544 | aim_tx_destroy(newoft); | |
545 | return NULL; | |
546 | } | |
547 | ||
548 | memcpy(fh->bcookie, cookie, 8); | |
549 | ||
550 | if(!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, fh))) | |
551 | printf("eek, bh fail!\n"); | |
552 | ||
553 | newoft->lock = 0; | |
554 | aim_tx_enqueue(sess, newoft); | |
555 | ||
556 | if(!(cachedcook = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)))) { | |
557 | faimdprintf(1, "faim: accepttransfer: couldn't calloc cachedcook. yeep!\n"); | |
558 | /* more cleanup */ | |
559 | return NULL; | |
560 | } | |
561 | ||
562 | memcpy(&(priv->fh), fh, sizeof(struct aim_fileheader_t)); | |
563 | memcpy(cachedcook->cookie, cookie, 8); | |
564 | ||
565 | cachedcook->type = AIM_COOKIETYPE_OFTGET; | |
566 | cachedcook->data = (void *)priv; | |
567 | ||
568 | if (aim_cachecookie(sess, cachedcook) != 0) | |
569 | faimdprintf(1, "faim: ERROR caching message cookie\n"); | |
570 | ||
571 | free(fh); | |
572 | } | |
573 | ||
574 | /* OSCAR CAP accept packet */ | |
575 | ||
576 | if(!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+8+2+1+strlen(sn)+4+2+8+16))) | |
577 | return NULL; | |
578 | ||
579 | newpacket->lock = 1; | |
580 | curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
581 | ||
582 | for (i = 0; i < 8; i++) | |
583 | curbyte += aimutil_put8(newpacket->data+curbyte, cookie[i]); | |
584 | ||
585 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
586 | curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn)); | |
587 | curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn)); | |
588 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
589 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x001a); | |
590 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002 /* accept*/); | |
591 | ||
592 | for (i = 0;i < 8; i++) | |
593 | curbyte += aimutil_put8(newpacket->data+curbyte, cookie[i]); | |
594 | ||
595 | curbyte += aim_putcap(newpacket->data+curbyte, 0x10, rendid); | |
596 | newpacket->lock = 0; | |
597 | aim_tx_enqueue(sess, newpacket); | |
598 | ||
599 | return newconn; | |
600 | } return NULL; | |
601 | } | |
602 | ||
603 | /* | |
604 | * aim_getlisting(FILE *file) -- get an aim_fileheader_t for a given FILE* | |
605 | * @file is an opened listing file | |
606 | * | |
607 | * returns a pointer to the filled-in fileheader_t | |
608 | * | |
609 | * currently omits checksum. we'll fix this when AOL breaks us, i | |
610 | * guess. | |
611 | * | |
612 | */ | |
613 | ||
614 | faim_export struct aim_fileheader_t *aim_getlisting(FILE *file) | |
615 | { | |
616 | struct aim_fileheader_t *fh; | |
617 | u_long totsize = 0, size = 0, checksum = 0xffff0000; | |
618 | short totfiles = 0; | |
619 | char *linebuf, sizebuf[9]; | |
620 | ||
621 | int linelength = 1024; | |
622 | ||
623 | /* XXX: if we have a line longer than 1024chars, God help us. */ | |
624 | if( (linebuf = (char *)calloc(1, linelength)) == NULL ) { | |
625 | faimdprintf(2, "linebuf calloc failed\n"); | |
626 | return NULL; | |
627 | } | |
628 | ||
629 | if(fseek(file, 0, SEEK_END) == -1) { /* use this for sanity check */ | |
630 | perror("getlisting END1 fseek:"); | |
631 | faimdprintf(2, "getlising fseek END1 error\n"); | |
632 | } | |
633 | ||
634 | if(fgetpos(file, &size) == -1) { | |
635 | perror("getlisting END1 getpos:"); | |
636 | faimdprintf(2, "getlising getpos END1 error\n"); | |
637 | } | |
638 | ||
639 | if(fseek(file, 0, SEEK_SET) != 0) { | |
640 | perror("getlesting fseek(SET):"); | |
641 | faimdprintf(2, "faim: getlisting: couldn't seek to beginning of listing file\n"); | |
642 | } | |
643 | ||
644 | memset(linebuf, 0, linelength); | |
645 | ||
646 | size = 0; | |
647 | ||
648 | while(fgets(linebuf, linelength, file)) { | |
649 | totfiles++; | |
650 | memset(sizebuf, 0, 9); | |
651 | ||
652 | size += strlen(linebuf); | |
653 | ||
654 | if(strlen(linebuf) < 23) { | |
655 | faimdprintf(2, "line \"%s\" too short. skipping\n", linebuf); | |
656 | continue; | |
657 | } | |
658 | if(linebuf[strlen(linebuf)-1] != '\n') { | |
659 | faimdprintf(2, "faim: OFT: getlisting -- hit EOF or line too long!\n"); | |
660 | } | |
661 | ||
662 | memcpy(sizebuf, linebuf+17, 8); | |
663 | ||
664 | totsize += strtol(sizebuf, NULL, 10); | |
665 | memset(linebuf, 0, linelength); | |
666 | } | |
667 | ||
668 | if(fseek(file, 0, SEEK_SET) == -1) { | |
669 | perror("getlisting END2 fseek:"); | |
670 | faimdprintf(2, "getlising fseek END2 error\n"); | |
671 | } | |
672 | ||
673 | free(linebuf); | |
674 | ||
675 | /* we're going to ignore checksumming the data for now -- that | |
676 | * requires walking the whole listing.txt. it should probably be | |
677 | * done at register time and cached, but, eh. */ | |
678 | ||
679 | if(!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t)))) | |
680 | return NULL; | |
681 | ||
682 | printf( "faim: OFT: getlisting: totfiles: %u, totsize: %lu, size: %lu\n", totfiles, totsize, size); | |
683 | ||
684 | fh->encrypt = 0x0000; | |
685 | fh->compress = 0x0000; | |
686 | fh->totfiles = totfiles; | |
687 | fh->filesleft = totfiles; /* is this right ?*/ | |
688 | fh->totparts = 0x0001; | |
689 | fh->partsleft = 0x0001; | |
690 | fh->totsize = totsize; | |
691 | fh->size = size; /* ls -l listing.txt */ | |
692 | fh->modtime = (int)time(NULL); /* we'll go with current time for now */ | |
693 | fh->checksum = checksum; /* XXX: checksum ! */ | |
694 | fh->rfcsum = 0x00000000; | |
695 | fh->rfsize = 0x00000000; | |
696 | fh->cretime = 0x00000000; | |
697 | fh->rfcsum = 0x00000000; | |
698 | fh->nrecvd = 0x00000000; | |
699 | fh->recvcsum = 0x00000000; | |
700 | ||
701 | /* memset(fh->idstring, 0, sizeof(fh->idstring)); */ | |
702 | memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring)); | |
703 | memset(fh->idstring+strlen(fh->idstring), 0, sizeof(fh->idstring)-strlen(fh->idstring)); | |
704 | ||
705 | fh->flags = 0x02; | |
706 | fh->lnameoffset = 0x1a; | |
707 | fh->lsizeoffset = 0x10; | |
708 | ||
709 | /* memset(fh->dummy, 0, sizeof(fh->dummy)); */ | |
710 | memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo)); | |
711 | ||
712 | fh->nencode = 0x0000; /* we need to figure out these encodings for filenames */ | |
713 | fh->nlanguage = 0x0000; | |
714 | ||
715 | /* memset(fh->name, 0, sizeof(fh->name)); */ | |
716 | memcpy(fh->name, "listing.txt", sizeof(fh->name)); | |
717 | memset(fh->name+strlen(fh->name), 0, 64-strlen(fh->name)); | |
718 | ||
719 | faimdprintf(2, "faim: OFT: listing fh name %s / %s\n", fh->name, (fh->name+(strlen(fh->name)))); | |
720 | return fh; | |
721 | } | |
722 | ||
723 | /* | |
724 | * aim_listenestablish - create a listening socket on a port. | |
725 | * @portnum: the port number to bind to. | |
726 | * | |
727 | * you need to call accept() when it's connected. returns your fd | |
728 | * | |
729 | */ | |
730 | faim_internal int aim_listenestablish(u_short portnum) | |
731 | { | |
732 | #if defined(__linux__) | |
733 | /* XXX what other OS's support getaddrinfo? */ | |
734 | int listenfd; | |
735 | const int on = 1; | |
736 | struct addrinfo hints, *res, *ressave; | |
737 | char serv[5]; | |
738 | sprintf(serv, "%d", portnum); | |
739 | memset(&hints, 0, sizeof(struct addrinfo)); | |
740 | hints.ai_flags = AI_PASSIVE; | |
741 | hints.ai_family = AF_UNSPEC; | |
742 | hints.ai_socktype = SOCK_STREAM; | |
743 | if (getaddrinfo(NULL /*any IP*/, serv, &hints, &res) != 0) { | |
744 | perror("getaddrinfo"); | |
745 | return -1; | |
746 | } | |
747 | ressave = res; | |
748 | do { | |
749 | listenfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol); | |
750 | if (listenfd < 0) | |
751 | continue; | |
752 | setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); | |
753 | if (bind(listenfd, res->ai_addr, res->ai_addrlen) == 0) | |
754 | break; | |
755 | /* success */ | |
756 | close(listenfd); | |
757 | } while ( (res = res->ai_next) ); | |
758 | ||
759 | if (!res) | |
760 | return -1; | |
761 | ||
762 | if (listen(listenfd, 1024)!=0) { | |
763 | perror("listen"); | |
764 | return -1; | |
765 | } | |
766 | ||
767 | freeaddrinfo(ressave); | |
768 | return listenfd; | |
769 | #else | |
770 | int listenfd; | |
771 | const int on = 1; | |
772 | struct sockaddr_in sockin; | |
773 | if ((listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { | |
774 | perror("socket(listenfd)"); | |
775 | return -1; | |
776 | } | |
777 | ||
778 | if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on) != 0)) { | |
779 | perror("setsockopt(listenfd)"); | |
780 | close(listenfd); | |
781 | return -1; | |
782 | } | |
783 | ||
784 | memset(&sockin, 0, sizeof(struct sockaddr_in)); | |
785 | sockin.sin_family = AF_INET; | |
786 | sockin.sin_port = htons(portnum); | |
787 | ||
788 | if (bind(listenfd, (struct sockaddr *)&sockin, sizeof(struct sockaddr_in)) != 0) { | |
789 | perror("bind(listenfd)"); | |
790 | close(listenfd); | |
791 | return -1; | |
792 | } | |
793 | if (listen(listenfd, 4) != 0) { | |
794 | perror("listen(listenfd)"); | |
795 | close(listenfd); | |
796 | return -1; | |
797 | } | |
798 | return listenfd; | |
799 | #endif | |
800 | } | |
801 | /* | |
802 | * aim_get_command_rendezvous - OFT equivalent of aim_get_command | |
803 | * @sess: session to work on | |
804 | * @conn: conn to pull data from | |
805 | * | |
806 | * this reads and handles data from conn->fd. currently a little rough | |
807 | * around the edges | |
808 | */ | |
809 | faim_internal int aim_get_command_rendezvous(struct aim_session_t *sess, struct aim_conn_t *conn) | |
810 | { | |
811 | unsigned char hdrbuf1[6]; | |
812 | unsigned char *hdr = NULL; | |
813 | int hdrlen, hdrtype; | |
814 | int flags = 0; | |
815 | rxcallback_t userfunc = NULL; | |
816 | ||
817 | memset(hdrbuf1, 0, sizeof(hdrbuf1)); | |
818 | faim_mutex_lock(&conn->active); | |
819 | ||
820 | /* gets locked down for the entirety */ | |
821 | ||
822 | if(conn->subtype == AIM_CONN_SUBTYPE_OFT_GETFILE ) { | |
823 | struct aim_filetransfer_priv *ft; | |
824 | ft = conn->priv; | |
825 | if(ft->state == 2) { | |
826 | /* waiting on listing data */ | |
827 | int ret = 0; | |
828 | char *listing; | |
829 | struct command_tx_struct *newoft; | |
830 | if(!(listing = malloc(ft->fh.size))) { | |
831 | faim_mutex_unlock(&conn->active); | |
832 | return -1; | |
833 | } | |
834 | ||
835 | ft->state = 0; | |
836 | if(aim_recv(conn->fd, listing, ft->fh.size) != ft->fh.size) | |
837 | faimdprintf(2, "OFT get: file %s was short. (0x%lx)\n", ft->fh.name, ft->fh.size); | |
838 | ||
839 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x120b, conn, 0))) { | |
840 | faimdprintf(2, "faim: aim_get_command_rendezvous: getfile listing: tx_new OFT failed\n"); | |
841 | faim_mutex_unlock(&conn->active); | |
842 | free(listing); | |
843 | aim_conn_close(conn); | |
844 | return -1; | |
845 | } | |
846 | ||
847 | newoft->lock = 1; | |
848 | ||
849 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
850 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
851 | ||
852 | /* this is icky. */ | |
853 | ft->fh.nrecvd = ft->fh.size; | |
854 | ft->fh.recvcsum = ft->fh.checksum; | |
855 | ft->fh.flags = 0; | |
856 | ||
857 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
858 | newoft->lock = 0; | |
859 | aim_tx_destroy(newoft); | |
860 | free(listing); | |
861 | faim_mutex_unlock(&conn->active); | |
862 | return -1; | |
863 | } | |
864 | ||
865 | if(!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) | |
866 | printf("eek! bh fail listing\n"); | |
867 | ||
868 | /* send the 120b */ | |
869 | newoft->lock = 0; | |
870 | aim_tx_enqueue(sess, newoft); | |
871 | if( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILELISTING)) ) | |
872 | ret = userfunc(sess, NULL, conn, ft, listing); | |
873 | ||
874 | faim_mutex_unlock(&conn->active); | |
875 | free(listing); | |
876 | return ret; | |
877 | } | |
878 | if(ft->state == 3) { | |
879 | /* waiting on file data */ | |
880 | if( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILERECIEVE)) ) { | |
881 | faim_mutex_unlock(&conn->active); | |
882 | return userfunc(sess, NULL, conn, ft); | |
883 | } | |
884 | faim_mutex_unlock(&conn->active); | |
885 | return 0; | |
886 | } | |
887 | } | |
888 | ||
889 | if ( (hdrlen = aim_recv(conn->fd, hdrbuf1, 6)) < 6) { | |
890 | faimdprintf(2, "faim: rend: read error (fd: %i) %02x%02x%02x%02x%02x%02x (%i)\n", | |
891 | conn->fd, hdrbuf1[0],hdrbuf1[1],hdrbuf1[2],hdrbuf1[3],hdrbuf1[4],hdrbuf1[5],hdrlen); | |
892 | faim_mutex_unlock(&conn->active); | |
893 | if(hdrlen < 0) | |
894 | perror("read"); | |
895 | else { /* disconnected */ | |
896 | switch(conn->subtype) { | |
897 | case AIM_CONN_SUBTYPE_OFT_DIRECTIM: { | |
898 | /* XXX: clean up cookies here ? */ | |
899 | struct aim_directim_priv *priv = NULL; | |
900 | if(!(priv = (struct aim_directim_priv *)conn->priv) ) | |
901 | return -1; | |
902 | ||
903 | aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTIM); | |
904 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMDISCONNECT)) ) { | |
905 | aim_conn_close(conn); | |
906 | return userfunc(sess, NULL, conn, priv->sn); | |
907 | } | |
908 | break; | |
909 | } | |
910 | case AIM_CONN_SUBTYPE_OFT_GETFILE: { | |
911 | struct aim_filetransfer_priv *priv; | |
912 | if(!(priv = (struct aim_filetransfer_priv *)conn->priv)) | |
913 | return -1; | |
914 | aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTGET); | |
915 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEDISCONNECT)) ) { | |
916 | aim_conn_close(conn); | |
917 | return userfunc(sess, NULL, conn, priv->sn); | |
918 | } | |
919 | break; | |
920 | } | |
921 | case AIM_CONN_SUBTYPE_OFT_SENDFILE: { | |
922 | struct aim_filetransfer_priv *priv; | |
923 | if(!(priv = (struct aim_filetransfer_priv *)conn->priv)) | |
924 | return -1; | |
925 | aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTSEND); | |
926 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_SENDFILEDISCONNECT)) ) { | |
927 | aim_conn_close(conn); | |
928 | return userfunc(sess, NULL, conn, priv->sn); | |
929 | } | |
930 | break; | |
931 | } | |
932 | } | |
933 | ||
934 | aim_conn_close(conn); | |
935 | return -1; | |
936 | } | |
937 | } | |
938 | ||
939 | hdrlen = aimutil_get16(hdrbuf1+4); | |
940 | hdrlen -= 6; | |
941 | ||
942 | if (!(hdr = malloc(hdrlen))) { | |
943 | faim_mutex_unlock(&conn->active); | |
944 | return -1; | |
945 | } | |
946 | ||
947 | if (aim_recv(conn->fd, hdr, hdrlen) < hdrlen) { | |
948 | perror("read"); | |
949 | faimdprintf(2,"faim: rend: read2 error on %d (%d)\n", conn->fd, hdrlen); | |
950 | free(hdr); | |
951 | faim_mutex_unlock(&conn->active); | |
952 | aim_conn_close(conn); | |
953 | return -1; | |
954 | } | |
955 | hdrtype = aimutil_get16(hdr); | |
956 | printf("\tgot 0x%04x", hdrtype); | |
957 | switch (hdrtype) { | |
958 | case 0x0001: { /* directim */ | |
959 | int payloadlength = 0; | |
960 | char *snptr = NULL; | |
961 | struct aim_directim_priv *priv; | |
962 | int i; | |
963 | ||
964 | if(!(priv = (struct aim_directim_priv *)calloc(1, sizeof(struct aim_directim_priv)))) { | |
965 | faim_mutex_unlock(&conn->active); | |
966 | return -1; | |
967 | } | |
968 | ||
969 | payloadlength = aimutil_get32(hdr+22); | |
970 | flags = aimutil_get16(hdr+32); | |
971 | snptr = (char *)hdr+38; | |
972 | strncpy(priv->sn, snptr, MAXSNLEN); | |
973 | ||
974 | faimdprintf(2, "faim: OFT frame: %04x / %04x / %04x / %s\n", hdrtype, payloadlength, flags, snptr); | |
975 | ||
976 | if (flags == 0x000e) { | |
977 | faim_mutex_unlock(&conn->active); | |
978 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMTYPING)) ) | |
979 | return userfunc(sess, NULL, snptr); | |
980 | } else | |
981 | if ((flags == 0x0000) && payloadlength) { | |
982 | unsigned char *msg; | |
983 | if(! (msg = calloc(1, payloadlength+1)) ) { | |
984 | faim_mutex_unlock(&conn->active); | |
985 | return -1; | |
986 | } | |
987 | if (aim_recv(conn->fd, msg, payloadlength) < payloadlength) { | |
988 | perror("read"); | |
989 | printf("faim: rend: read3 error\n"); | |
990 | free(msg); | |
991 | faim_mutex_unlock(&conn->active); | |
992 | aim_conn_close(conn); | |
993 | return -1; | |
994 | } | |
995 | faim_mutex_unlock(&conn->active); | |
996 | msg[payloadlength] = 0x00; | |
997 | faimdprintf(2, "faim: directim: %s/%04x/%04x/%s\n", snptr, payloadlength, flags, msg); | |
998 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMINCOMING)) ) | |
999 | i = userfunc(sess, NULL, conn, snptr, msg); | |
1000 | free(msg); | |
1001 | return i; | |
1002 | } | |
1003 | break; | |
1004 | } | |
1005 | case 0x1108: { /* getfile listing.txt incoming tx->rx */ | |
1006 | struct aim_filetransfer_priv *ft; | |
1007 | struct aim_fileheader_t *fh; | |
1008 | struct aim_msgcookie_t *cook; | |
1009 | struct command_tx_struct *newoft; | |
1010 | faimdprintf(2,"faim: rend: fileget 0x1108\n"); | |
1011 | fh = aim_oft_getfh(hdr); | |
1012 | faim_mutex_unlock(&conn->active); | |
1013 | if(!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { | |
1014 | faim_mutex_unlock(&conn->active); | |
1015 | free(fh); | |
1016 | return -1; | |
1017 | } | |
1018 | ft = cook->data; | |
1019 | ft->state = 2; | |
1020 | ||
1021 | /* we're waaaaiiiting.. for listing.txt */ | |
1022 | ||
1023 | memcpy(&(ft->fh), fh, sizeof(struct aim_fileheader_t)); | |
1024 | aim_cachecookie(sess, cook); | |
1025 | free(fh); | |
1026 | ||
1027 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x1209, conn, 0))) { | |
1028 | aim_conn_close(conn); | |
1029 | return -1; | |
1030 | } | |
1031 | ||
1032 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1033 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1034 | ||
1035 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1036 | newoft->lock = 0; | |
1037 | aim_tx_destroy(newoft); | |
1038 | return -1; | |
1039 | } | |
1040 | ||
1041 | if(!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { | |
1042 | newoft->lock = 0; | |
1043 | aim_tx_destroy(newoft); | |
1044 | return -1; | |
1045 | } | |
1046 | ||
1047 | newoft->lock = 0; | |
1048 | aim_tx_enqueue(sess, newoft); | |
1049 | break; | |
1050 | ||
1051 | } | |
1052 | case 0x1209: { /* get file listing ack rx->tx */ | |
1053 | struct aim_filetransfer_priv *ft; | |
1054 | struct aim_fileheader_t *fh; | |
1055 | struct aim_msgcookie_t *cook; | |
1056 | int ret; | |
1057 | ||
1058 | fh = aim_oft_getfh(hdr); | |
1059 | faim_mutex_unlock(&conn->active); | |
1060 | ||
1061 | if(!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) | |
1062 | faimdprintf(2, "shit, no cookie in 0x1209. (%i/%s)going to crash..\n", | |
1063 | AIM_COOKIETYPE_OFTGET, fh->bcookie); | |
1064 | ||
1065 | ft = cook->data; | |
1066 | ||
1067 | if(ft->fh.size != fh->size) | |
1068 | faimdprintf(2, "hrm. ft->fh.size (%ld) != fh->size (%ld). um. using ft->fh.size\n", | |
1069 | ft->fh.size, fh->size); | |
1070 | ||
1071 | ||
1072 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILELISTINGREQ))) | |
1073 | ret = userfunc(sess, NULL, conn, fh); | |
1074 | ||
1075 | faimdprintf(2, "faim: get_command_rendezvous: hit end of 1209\n"); | |
1076 | ||
1077 | free(fh); | |
1078 | ||
1079 | return ret; | |
1080 | ||
1081 | break; | |
1082 | } | |
1083 | case 0x120b: { /* getfile listing.txt rx confirm */ | |
1084 | struct aim_filetransfer_priv *ft; | |
1085 | struct aim_msgcookie_t *cook; | |
1086 | struct aim_fileheader_t *fh; | |
1087 | ||
1088 | fh = aim_oft_getfh(hdr); | |
1089 | faim_mutex_unlock(&conn->active); | |
1090 | ||
1091 | if(!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { | |
1092 | free(fh); | |
1093 | return -1; | |
1094 | } | |
1095 | ||
1096 | ft = cook->data; | |
1097 | aim_cachecookie(sess, cook); | |
1098 | free(fh); | |
1099 | ||
1100 | /* XXX: call listing.txt rx confirm */ | |
1101 | break; | |
1102 | } | |
1103 | case 0x120c: { /* getfile file request */ | |
1104 | struct aim_filetransfer_priv *ft; | |
1105 | struct aim_msgcookie_t *cook; | |
1106 | struct aim_fileheader_t *fh; | |
1107 | struct command_tx_struct *newoft; | |
1108 | int i; | |
1109 | ||
1110 | fh = aim_oft_getfh(hdr); | |
1111 | faim_mutex_unlock(&conn->active); | |
1112 | ||
1113 | if(!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) | |
1114 | return -1; | |
1115 | ||
1116 | ft = cook->data; | |
1117 | memcpy(&(ft->fh), fh, sizeof(struct aim_fileheader_t)); | |
1118 | free(fh); | |
1119 | ||
1120 | aim_cachecookie(sess, cook); | |
1121 | ||
1122 | faimdprintf(2, "faim: fileget: %s seems to want %s\n", ft->sn, ft->fh.name); | |
1123 | ||
1124 | if( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEFILEREQ)) ) | |
1125 | i = userfunc(sess, NULL, conn, &(ft->fh), cook->cookie); | |
1126 | ||
1127 | if(i < 0) | |
1128 | return -1; | |
1129 | ||
1130 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x0101, conn, 0))) { | |
1131 | faimdprintf(2, "faim: send_final_transfer: tx_new OFT failed\n"); | |
1132 | return -1; | |
1133 | } | |
1134 | ||
1135 | newoft->lock = 1; | |
1136 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1137 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1138 | ||
1139 | if (!(newoft->hdr.oft.hdr2 = calloc(1,newoft->hdr.oft.hdr2len))) { | |
1140 | newoft->lock = 0; | |
1141 | aim_tx_destroy(newoft); | |
1142 | return -1; | |
1143 | } | |
1144 | ||
1145 | /* protocol BS: nrecvd, recvcsum to 0, flags to 0x20. */ | |
1146 | ft->fh.nrecvd = 0; | |
1147 | ft->fh.recvcsum = 0; | |
1148 | ft->fh.flags = 0x20; | |
1149 | ||
1150 | aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)); | |
1151 | ||
1152 | newoft->lock = 0; | |
1153 | aim_tx_enqueue(sess, newoft); | |
1154 | ||
1155 | faimdprintf(2, "faim: OFT: OFT file header enqueued.\n"); | |
1156 | ||
1157 | return i; | |
1158 | ||
1159 | break; | |
1160 | } | |
1161 | case 0x0101: { /* getfile: sending data */ | |
1162 | struct aim_fileheader_t *fh; | |
1163 | struct aim_filetransfer_priv *ft; | |
1164 | struct aim_msgcookie_t *cook; | |
1165 | struct command_tx_struct *newoft; | |
1166 | ||
1167 | fh = aim_oft_getfh(hdr); | |
1168 | faim_mutex_unlock(&conn->active); | |
1169 | ||
1170 | if(!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { | |
1171 | printf("fucking no cookie\n"); | |
1172 | free(fh); | |
1173 | return -1; | |
1174 | } | |
1175 | free(fh); | |
1176 | ||
1177 | ft = cook->data; | |
1178 | ||
1179 | ft->state = 3; | |
1180 | aim_cachecookie(sess, cook); | |
1181 | ||
1182 | faimdprintf(2, "faim: fileget: %s seems to want to send %s\n", ft->sn, ft->fh.name); | |
1183 | ||
1184 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x0202, conn, 0))) { | |
1185 | aim_conn_close(conn); | |
1186 | faimdprintf(2, "faim: send_final_transfer: tx_new OFT failed\n"); | |
1187 | return -1; | |
1188 | } | |
1189 | ||
1190 | newoft->lock = 1; | |
1191 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1192 | ||
1193 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1194 | ||
1195 | if (!(newoft->hdr.oft.hdr2 = calloc(1,newoft->hdr.oft.hdr2len))) { | |
1196 | newoft->lock = 0; | |
1197 | aim_tx_destroy(newoft); | |
1198 | return -1; | |
1199 | } | |
1200 | ||
1201 | aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)); | |
1202 | ||
1203 | newoft->lock = 0; | |
1204 | aim_tx_enqueue(sess, newoft); | |
1205 | ||
1206 | faimdprintf(2, "faim: OFT: OFT 0x0202 enqueued.\n"); | |
1207 | ||
1208 | if( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEFILEREQ)) == NULL) | |
1209 | return 1; | |
1210 | ||
1211 | break; | |
1212 | } | |
1213 | case 0x0202: { /* get file: ready to recieve data */ | |
1214 | struct aim_fileheader_t *fh; | |
1215 | struct aim_filetransfer_priv *ft; | |
1216 | struct aim_msgcookie_t *cook; | |
1217 | int ret = 1; | |
1218 | ||
1219 | fh = aim_oft_getfh(hdr); | |
1220 | faim_mutex_unlock(&conn->active); | |
1221 | ||
1222 | if(!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET))) { | |
1223 | free(fh); | |
1224 | return -1; | |
1225 | } | |
1226 | ||
1227 | ft = cook->data; | |
1228 | ||
1229 | faimdprintf(2, "faim: get_rend: looks like we're ready to send data.(oft 0x0202)\n"); | |
1230 | ||
1231 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILEFILESEND)) ) | |
1232 | ret = userfunc(sess, NULL, conn, fh); | |
1233 | ||
1234 | free(fh); | |
1235 | ||
1236 | return ret; | |
1237 | break; | |
1238 | } | |
1239 | case 0x0204: { /* get file: finished. close it up */ | |
1240 | int i; | |
1241 | struct aim_fileheader_t *fh; | |
1242 | ||
1243 | fh = aim_oft_getfh(hdr); | |
1244 | faim_mutex_unlock(&conn->active); | |
1245 | ||
1246 | faimdprintf(2, "faim: get_rend: looks like we're done with a transfer (oft 0x0204)\n"); | |
1247 | ||
1248 | if ( (userfunc = aim_callhandler(conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILECOMPLETE)) ) | |
1249 | i = userfunc(sess, NULL, conn, fh); | |
1250 | else | |
1251 | i = 1; | |
1252 | ||
1253 | if(conn) | |
1254 | aim_conn_close(conn); | |
1255 | ||
1256 | free(fh); | |
1257 | ||
1258 | return i; | |
1259 | break; | |
1260 | } | |
1261 | default: { | |
1262 | faimdprintf(2,"faim: OFT frame: uknown type %04x\n", hdrtype); | |
1263 | faim_mutex_unlock(&conn->active); | |
1264 | break; | |
1265 | } | |
1266 | } /* switch */ | |
1267 | free(hdr); | |
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | /* | |
1272 | * aim_oft_getfh - extracts a aim_fileheader_t from buffer hdr. | |
1273 | * @hdr: buffer to extract header from | |
1274 | * | |
1275 | * returns pointer to struct on success; %NULL on error. | |
1276 | * | |
1277 | */ | |
1278 | static struct aim_fileheader_t *aim_oft_getfh(unsigned char *hdr) | |
1279 | { | |
1280 | struct aim_fileheader_t *fh; | |
1281 | int i, j; | |
1282 | if(!(fh = calloc(1, sizeof(struct aim_fileheader_t)))) | |
1283 | return NULL; | |
1284 | ||
1285 | /* [0] and [1] are the type. we can ignore those here. */ | |
1286 | i = 2; | |
1287 | for(j = 0; j < 8; j++, i++) | |
1288 | fh->bcookie[j] = hdr[i]; | |
1289 | fh->encrypt = aimutil_get16(hdr+i); | |
1290 | i += 2; | |
1291 | fh->compress = aimutil_get16(hdr+i); | |
1292 | i += 2; | |
1293 | fh->totfiles = aimutil_get16(hdr+i); | |
1294 | i += 2; | |
1295 | fh->filesleft = aimutil_get16(hdr+i); | |
1296 | i += 2; | |
1297 | fh->totparts = aimutil_get16(hdr+i); | |
1298 | i += 2; | |
1299 | fh->partsleft = aimutil_get16(hdr+i); | |
1300 | i += 2; | |
1301 | fh->totsize = aimutil_get32(hdr+i); | |
1302 | i += 4; | |
1303 | fh->size = aimutil_get32(hdr+i); | |
1304 | i += 4; | |
1305 | fh->modtime = aimutil_get32(hdr+i); | |
1306 | i += 4; | |
1307 | fh->checksum = aimutil_get32(hdr+i); | |
1308 | i += 4; | |
1309 | fh->rfrcsum = aimutil_get32(hdr+i); | |
1310 | i += 4; | |
1311 | fh->rfsize = aimutil_get32(hdr+i); | |
1312 | i += 4; | |
1313 | fh->cretime = aimutil_get32(hdr+i); | |
1314 | i += 4; | |
1315 | fh->rfcsum = aimutil_get32(hdr+i); | |
1316 | i += 4; | |
1317 | fh->nrecvd = aimutil_get32(hdr+i); | |
1318 | i += 4; | |
1319 | fh->recvcsum = aimutil_get32(hdr+i); | |
1320 | i += 4; | |
1321 | memcpy(fh->idstring, hdr+i, 32); | |
1322 | i += 32; | |
1323 | fh->flags = aimutil_get8(hdr+i); | |
1324 | i += 1; | |
1325 | fh->lnameoffset = aimutil_get8(hdr+i); | |
1326 | i += 1; | |
1327 | fh->lsizeoffset = aimutil_get8(hdr+i); | |
1328 | i += 1; | |
1329 | memcpy(fh->dummy, hdr+i, 69); | |
1330 | i += 69; | |
1331 | memcpy(fh->macfileinfo, hdr+i, 16); | |
1332 | i += 16; | |
1333 | fh->nencode = aimutil_get16(hdr+i); | |
1334 | i += 2; | |
1335 | fh->nlanguage = aimutil_get16(hdr+i); | |
1336 | i += 2; | |
1337 | memcpy(fh->name, hdr+i, 64); | |
1338 | i += 64; | |
1339 | return fh; | |
1340 | } | |
1341 | ||
1342 | /* | |
1343 | * aim_oft_checksum - calculate oft checksum of buffer | |
1344 | * @buffer: buffer of data to checksum | |
1345 | * @bufsize: size of buffer | |
1346 | * @checksum: pointer to integer to place result in (pointer!) | |
1347 | ||
1348 | * | |
1349 | * note that checksum is a pointer. checksum should be filled with | |
1350 | * 0xFFFF0000 for each new file; you can have this checksum chunks of | |
1351 | * files in series if you just call it repeatedly in a for(; ; ) loop | |
1352 | * and don't reset the checksum between each call. and you thought we | |
1353 | * didn't care about you and your pathetic client's meomry footprint | |
1354 | * ;^) | |
1355 | * | |
1356 | */ | |
1357 | faim_export int aim_oft_checksum(char *buffer, int bufsize, int *checksum){ short check0, check1; | |
1358 | int i; | |
1359 | check0 = ((*checksum & 0xFF000000) >> 16); | |
1360 | check1 = ((*checksum & 0x00ff0000) >> 16); | |
1361 | for(i = 0; i < bufsize; i++) { | |
1362 | if(i % 2) { /* use check1 -- second byte */ | |
1363 | if ( (short)buffer[i] > check1 ) { /* wrapping */ | |
1364 | check1 += 0x100; /* this is a cheap way to wrap */ | |
1365 | ||
1366 | /* if we're wrapping, decrement the other one */ | |
1367 | /* XXX: check this corner case */ | |
1368 | if(check0 == 0) | |
1369 | check0 = 0x00ff; | |
1370 | else | |
1371 | check0--; | |
1372 | } | |
1373 | check1 -= buffer[i]; | |
1374 | } else { /* use check0 -- first byte */ | |
1375 | if ( (short)buffer[i] > check0 ) { /* wrapping */ | |
1376 | check0 += 0x100; /* this is a cheap way to wrap */ | |
1377 | ||
1378 | /* if we're wrapping, decrement the other one */ | |
1379 | /* XXX: check this corner case */ | |
1380 | if(check1 == 0) | |
1381 | check1 = 0x00ff; | |
1382 | else | |
1383 | check1--; | |
1384 | } | |
1385 | check0 -= buffer[i]; | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | if(check0 > 0xff || check1 > 0xff) { | |
1390 | /* they shouldn't be able to do this. error! */ | |
1391 | faimdprintf(2, "check0 or check1 is too high: 0x%04x, 0x%04x\n", check0, check1); | |
1392 | return -1; | |
1393 | } | |
1394 | ||
1395 | /* grab just the lowest byte; this should be clean, but just in | |
1396 | case */ | |
1397 | check0 &= 0xff; | |
1398 | check1 &= 0xff; | |
1399 | ||
1400 | *checksum = ((check0 * 0x1000000) + (check1 * 0x10000)); | |
1401 | return *checksum; | |
1402 | } | |
1403 | ||
1404 | /* | |
1405 | * aim_oft_buildheader - fills a buffer with network-order fh data | |
1406 | * @dest: buffer to fill -- pre-alloced | |
1407 | * @fh: fh to get data from | |
1408 | * | |
1409 | * returns length written; -1 on error. | |
1410 | * DOES NOT DO BOUNDS CHECKING! | |
1411 | * | |
1412 | */ | |
1413 | faim_internal int aim_oft_buildheader(unsigned char *dest,struct aim_fileheader_t *fh) | |
1414 | { | |
1415 | int i, curbyte; | |
1416 | if(!dest || !fh) | |
1417 | return -1; | |
1418 | curbyte = 0; | |
1419 | for(i = 0; i < 8; i++) | |
1420 | curbyte += aimutil_put8(dest+curbyte, fh->bcookie[i]); | |
1421 | curbyte += aimutil_put16(dest+curbyte, fh->encrypt); | |
1422 | curbyte += aimutil_put16(dest+curbyte, fh->compress); | |
1423 | curbyte += aimutil_put16(dest+curbyte, fh->totfiles); | |
1424 | curbyte += aimutil_put16(dest+curbyte, fh->filesleft); | |
1425 | curbyte += aimutil_put16(dest+curbyte, fh->totparts); | |
1426 | curbyte += aimutil_put16(dest+curbyte, fh->partsleft); | |
1427 | curbyte += aimutil_put32(dest+curbyte, fh->totsize); | |
1428 | curbyte += aimutil_put32(dest+curbyte, fh->size); | |
1429 | curbyte += aimutil_put32(dest+curbyte, fh->modtime); | |
1430 | curbyte += aimutil_put32(dest+curbyte, fh->checksum); | |
1431 | curbyte += aimutil_put32(dest+curbyte, fh->rfrcsum); | |
1432 | curbyte += aimutil_put32(dest+curbyte, fh->rfsize); | |
1433 | curbyte += aimutil_put32(dest+curbyte, fh->cretime); | |
1434 | curbyte += aimutil_put32(dest+curbyte, fh->rfcsum); | |
1435 | curbyte += aimutil_put32(dest+curbyte, fh->nrecvd); | |
1436 | curbyte += aimutil_put32(dest+curbyte, fh->recvcsum); | |
1437 | memcpy(dest+curbyte, fh->idstring, 32); | |
1438 | curbyte += 32; | |
1439 | curbyte += aimutil_put8(dest+curbyte, fh->flags); | |
1440 | curbyte += aimutil_put8(dest+curbyte, fh->lnameoffset); | |
1441 | curbyte += aimutil_put8(dest+curbyte, fh->lsizeoffset); | |
1442 | memcpy(dest+curbyte, fh->dummy, 69); | |
1443 | curbyte += 69; | |
1444 | memcpy(dest+curbyte, fh->macfileinfo, 16); | |
1445 | curbyte += 16; | |
1446 | curbyte += aimutil_put16(dest+curbyte, fh->nencode); | |
1447 | curbyte += aimutil_put16(dest+curbyte, fh->nlanguage); | |
1448 | memset(dest+curbyte, 0x00, 64); | |
1449 | memcpy(dest+curbyte, fh->name, 64); | |
1450 | ||
1451 | /* XXX: Filenames longer than 64B */ | |
1452 | curbyte += 64; | |
1453 | return curbyte; | |
1454 | } | |
1455 | #if 0 | |
1456 | /* | |
1457 | * aim_getfile_send - send a FULL file down (ie: blocking; that is: DON'T USE IT, use send_chunk below.) | |
1458 | * @conn: the OFT connection to shove the data down, | |
1459 | * @tosend: is the FILE | |
1460 | * for the file to send | |
1461 | * @fh: the filled-in fh value | |
1462 | ||
1463 | * | |
1464 | * returns -1 on error, 1 on success. This sends the whold file and | |
1465 | * blocks, so it will totally mess you up if you use it. use the | |
1466 | * send_chunk below and work out a schduling setup or some such. | |
1467 | ||
1468 | * | |
1469 | */ | |
1470 | faim_export int aim_getfile_send(struct aim_conn_t *conn, FILE *tosend, struct aim_fileheader_t *fh) | |
1471 | { | |
1472 | int pos, bufpos, i; | |
1473 | const int bufsize = 4096; | |
1474 | char *buf; | |
1475 | ||
1476 | /* sanity checks | |
1477 | */ | |
1478 | ||
1479 | if(conn->type != AIM_CONN_TYPE_RENDEZVOUS || conn->subtype != AIM_CONN_SUBTYPE_OFT_GETFILE) | |
1480 | { faimdprintf(1, "getfile_send: conn->type(0x%04x) != RENDEZVOUS or conn->subtype(0x%04x) != GETFILE\n", conn->type, conn->subtype); | |
1481 | return -1; | |
1482 | } | |
1483 | if(!tosend) | |
1484 | { faimdprintf(1, "getfile_send: file pointer isn't valid\n"); | |
1485 | return -1; | |
1486 | } | |
1487 | if(!fh) | |
1488 | { faimdprintf(1, "getfile_send: fh isn't valid\n"); | |
1489 | return -1; | |
1490 | } | |
1491 | /* real code | |
1492 | */ | |
1493 | ||
1494 | if(!(buf = (char *)calloc(1, bufsize))) | |
1495 | { perror("faim: getfile_send: calloc:"); | |
1496 | faimdprintf(2, "getfile_send calloc error\n"); | |
1497 | return -1; | |
1498 | } pos = 0; | |
1499 | if( fseek(tosend, 0, SEEK_SET) == -1) | |
1500 | { perror("faim: getfile_send: fseek:"); | |
1501 | faimdprintf(2, "getfile_send fseek error\n"); | |
1502 | } faimdprintf(2, "faim: getfile_send: using %i byte blocks\n", bufsize); | |
1503 | for(pos = 0; | |
1504 | pos < fh->size; | |
1505 | pos++) { bufpos = pos % bufsize; | |
1506 | if(bufpos == 0 && pos > 0) | |
1507 | { | |
1508 | /* filled our buffer. spit it across the wire | |
1509 | */ | |
1510 | ||
1511 | if ( (i = send(conn->fd, buf, bufsize, 0)) != bufsize ) | |
1512 | { perror("faim: getfile_send: write1: "); | |
1513 | faimdprintf(1, "faim: getfile_send: whoopsy, didn't write it all...\n"); | |
1514 | free(buf); | |
1515 | return -1; | |
1516 | } } | |
1517 | if( (buf[bufpos] = fgetc(tosend)) == EOF) | |
1518 | { | |
1519 | if(pos != fh->size) | |
1520 | { printf("faim: getfile_send: hrm... apparent early EOF at pos 0x%x of 0x%lx\n", pos, fh->size); | |
1521 | faimdprintf(1, "faim: getfile_send: hrm... apparent early EOF at pos 0x%lx of 0x%lx\n", pos, fh->size); | |
1522 | free(buf); | |
1523 | return -1; | |
1524 | } } } | |
1525 | if( (i = send(conn->fd, buf, bufpos+1, 0)) != (bufpos+1)) | |
1526 | { perror("faim: getfile_send: write2: "); | |
1527 | faimdprintf(1, "faim: getfile_send cleanup: whoopsy, didn't write it all...\n"); | |
1528 | free(buf); | |
1529 | return -1; | |
1530 | } free(buf); | |
1531 | fclose(tosend); | |
1532 | return 1; | |
1533 | } | |
1534 | ||
1535 | /* | |
1536 | * aim_getfile_send_chunk - send a chunk of a file down a conn | |
1537 | * @conn: the OFT connection to shove the data down, | |
1538 | * @tosend: the buffer to send | |
1539 | * @fh: the filled-in fh value | |
1540 | * @pos: the position to start at (see below) | |
1541 | * @bufsize: the size of the chunk to send | |
1542 | ||
1543 | * | |
1544 | * returns -1 on error, new pos on success. | |
1545 | * Notes on usage: | |
1546 | * You don't really have to keep track of pos if you don't want | |
1547 | * to. just always call with -1 for pos, and it'll use the one | |
1548 | * contained within the FILE | |
1549 | *. | |
1550 | ||
1551 | * | |
1552 | * if (pos + chunksize > fh->size), we only send as much data as we | |
1553 | * can get (ie: up to fh->size. | |
1554 | ||
1555 | * | |
1556 | * the value of pos: at beginning should be 0, after 5 bytes are sent | |
1557 | * should be 5); -1 for "don't seek" | |
1558 | ||
1559 | * | |
1560 | * GOING TO BE CHANGED TO USE unsigned char | |
1561 | * BUFFERS!!! | |
1562 | */ | |
1563 | faim_export int aim_getfile_send_chunk(struct aim_conn_t *conn, FILE *tosend, struct aim_fileheader_t *fh, int pos, int bufsize) | |
1564 | { | |
1565 | int bufpos; | |
1566 | char *buf; | |
1567 | ||
1568 | /* sanity checks | |
1569 | */ | |
1570 | ||
1571 | if(conn->type != AIM_CONN_TYPE_RENDEZVOUS || conn->type != AIM_CONN_SUBTYPE_OFT_GETFILE) | |
1572 | { faimdprintf(1, "faim: getfile_send_chunk: conn->type(0x%04x) != RENDEZVOUS or conn->subtype(0x%04x) != GETFILE\n", conn->type, conn->subtype); | |
1573 | return -1; | |
1574 | } | |
1575 | if(!tosend) | |
1576 | { faimdprintf(1, "faim: getfile_send_chunk: file pointer isn't valid\n"); | |
1577 | return -1; | |
1578 | } | |
1579 | if(!fh) | |
1580 | { faimdprintf(1, "faim: getfile_send_chunk: fh isn't valid\n"); | |
1581 | return -1; | |
1582 | } | |
1583 | /* real code | |
1584 | */ | |
1585 | ||
1586 | if(!(buf = (char *)calloc(1, bufsize))) | |
1587 | { perror("faim: getfile_send_chunk: calloc:"); | |
1588 | faimdprintf(2, "faim: getfile_send_chunk calloc error\n"); | |
1589 | return -1; | |
1590 | } | |
1591 | if(pos != -1) | |
1592 | { | |
1593 | if( fseek(tosend, pos, SEEK_SET) == -1) | |
1594 | { perror("faim: getfile_send_chunk: fseek:"); | |
1595 | faimdprintf(2, "faim: getfile_send_chunk fseek error\n"); | |
1596 | } } faimdprintf(2, "faim: getfile_send_chunk: using %i byte blocks\n", bufsize); | |
1597 | for(bufpos = 0; | |
1598 | pos < fh->size; | |
1599 | bufpos++, pos++) { | |
1600 | if( (buf[bufpos] = fgetc(tosend)) == EOF) | |
1601 | { | |
1602 | if(pos != fh->size) | |
1603 | { faimdprintf(1, "faim: getfile_send_chunk: hrm... apparent early EOF at pos 0x%x of 0x%x\n", pos, fh->size); | |
1604 | free(buf); | |
1605 | return -1; | |
1606 | } } } | |
1607 | if( send(conn->fd, buf, bufpos+1, 0) != (bufpos+1)) | |
1608 | { faimdprintf(1, "faim: getfile_send_chunk cleanup: whoopsy, didn't write it all...\n"); | |
1609 | free(buf); | |
1610 | return -1; | |
1611 | } free(buf); | |
1612 | return (pos + bufpos); | |
1613 | } | |
1614 | #endif | |
1615 | /* | |
1616 | * aim_tx_destroy - free's tx_command_t's | |
1617 | * @command: the command to free | |
1618 | ||
1619 | * | |
1620 | * if command is locked, doesn't free. | |
1621 | * returns -1 on error (locked struct); 0 on success. | |
1622 | ||
1623 | * | |
1624 | */ | |
1625 | faim_internal int aim_tx_destroy(struct command_tx_struct *command){ | |
1626 | if(command->lock) | |
1627 | return -1; | |
1628 | if(command->data) | |
1629 | free(command->data); | |
1630 | if (command->hdrtype == AIM_FRAMETYPE_OFT && command->hdr.oft.hdr2) | |
1631 | free(command->hdr.oft.hdr2); | |
1632 | free(command); | |
1633 | return 0; | |
1634 | } | |
1635 | ||
1636 | /* | |
1637 | * aim_getfile_intitiate - For those times when we want to open up the getfile dialog ourselves. | |
1638 | * @sess: your session, | |
1639 | * @conn: the BOS conn, | |
1640 | * @destsn is the SN to connect to. | |
1641 | */ | |
1642 | faim_export struct aim_conn_t *aim_getfile_initiate(struct aim_session_t *sess, struct aim_conn_t *conn, char *destsn) | |
1643 | { | |
1644 | struct command_tx_struct *newpacket; | |
1645 | struct aim_conn_t *newconn; | |
1646 | struct aim_filetransfer_priv *priv; | |
1647 | struct aim_msgcookie_t *cookie; | |
1648 | int curbyte, i, listenfd; | |
1649 | short port = 4443; | |
1650 | struct hostent *hptr; | |
1651 | struct utsname myname; | |
1652 | char cap[16]; | |
1653 | char d[4]; | |
1654 | ||
1655 | /* Open our socket */ | |
1656 | ||
1657 | if( (listenfd = aim_listenestablish(port)) == -1) | |
1658 | return NULL; | |
1659 | ||
1660 | /* get our local IP */ | |
1661 | ||
1662 | if(uname(&myname) < 0) | |
1663 | return NULL; | |
1664 | if( (hptr = gethostbyname(myname.nodename)) == NULL) | |
1665 | return NULL; | |
1666 | memcpy(&d, hptr->h_addr_list[0], 4); | |
1667 | ||
1668 | /* XXX: this probably isn't quite kosher, but it works */ | |
1669 | aim_putcap(cap, 16, AIM_CAPS_GETFILE); | |
1670 | ||
1671 | /* create the OSCAR packet */ | |
1672 | ||
1673 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+8+2+1+strlen(destsn)+4+4+0x42))) | |
1674 | return NULL; | |
1675 | newpacket->lock = 1; | |
1676 | ||
1677 | /* lock struct */ | |
1678 | curbyte = 0; | |
1679 | curbyte += aim_putsnac(newpacket->data+curbyte, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
1680 | ||
1681 | /* XXX: check the cookie before commiting to using it */ | |
1682 | ||
1683 | /* Generate a random message cookie | |
1684 | * This cookie needs to be alphanumeric and NULL-terminated to be TOC-compatible. */ | |
1685 | for (i=0; i<7; i++) | |
1686 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x30 + ((u_char) random() % 10)); | |
1687 | ||
1688 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
1689 | ||
1690 | /* grab all the data for cookie caching. */ | |
1691 | ||
1692 | cookie = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)); | |
1693 | memcpy(cookie->cookie, newpacket->data+curbyte-8, 8); | |
1694 | cookie->type = AIM_COOKIETYPE_OFTGET; | |
1695 | ||
1696 | priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv)); | |
1697 | memcpy(priv->cookie, cookie, 8); | |
1698 | memcpy(priv->sn, destsn, sizeof(priv->sn)); | |
1699 | memcpy(priv->fh.name, "listing.txt", strlen("listing.txt")); | |
1700 | priv->state = 1; | |
1701 | cookie->data = priv; | |
1702 | conn->priv = priv; | |
1703 | aim_cachecookie(sess, cookie); | |
1704 | ||
1705 | /* cache da cookie */ | |
1706 | ||
1707 | /* Channel ID */ | |
1708 | curbyte += aimutil_put16(newpacket->data+curbyte,0x0002); | |
1709 | ||
1710 | /* Destination SN (prepended with byte length) */ | |
1711 | curbyte += aimutil_put8(newpacket->data+curbyte,strlen(destsn)); | |
1712 | curbyte += aimutil_putstr(newpacket->data+curbyte, destsn, strlen(destsn)); | |
1713 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
1714 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
1715 | ||
1716 | /* enTLV start */ | |
1717 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
1718 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0042); | |
1719 | ||
1720 | /* Flag data / ICBM Parameters? */ | |
1721 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
1722 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
1723 | ||
1724 | /* Cookie */ | |
1725 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cookie, 8); | |
1726 | ||
1727 | /* Capability String */ | |
1728 | curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cap, 0x10); | |
1729 | ||
1730 | /* 000a/0002 : 0001 */ | |
1731 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a); | |
1732 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
1733 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
1734 | ||
1735 | /* 0003/0004: IP address */ | |
1736 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
1737 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0004); | |
1738 | for(i = 0; i < 4; i++) | |
1739 | curbyte += aimutil_put8(newpacket->data+curbyte, d[i]); | |
1740 | ||
1741 | /* already in network byte order */ | |
1742 | ||
1743 | /* 0005/0002: Port */ | |
1744 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
1745 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
1746 | curbyte += aimutil_put16(newpacket->data+curbyte, port); | |
1747 | ||
1748 | /* 000f/0000: ?? */ | |
1749 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f); | |
1750 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
1751 | ||
1752 | /* 2711/000c: ?? */ | |
1753 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711); | |
1754 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000c); | |
1755 | curbyte += aimutil_put32(newpacket->data+curbyte, 0x00120001); | |
1756 | ||
1757 | for(i = 0; i < 0x000c - 4; i++) | |
1758 | curbyte += aimutil_put8(newpacket->data+curbyte, 0x00); | |
1759 | ||
1760 | newpacket->commandlen = curbyte; | |
1761 | newpacket->lock = 0; | |
1762 | aim_tx_enqueue(sess, newpacket); | |
1763 | ||
1764 | /* allocate and set up our connection */ | |
1765 | ||
1766 | i = fcntl(listenfd, F_GETFL, 0); | |
1767 | fcntl(listenfd, F_SETFL, i | O_NONBLOCK); | |
1768 | newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL); | |
1769 | ||
1770 | if (!newconn){ | |
1771 | perror("aim_newconn"); | |
1772 | return NULL; | |
1773 | } | |
1774 | ||
1775 | newconn->fd = listenfd; | |
1776 | newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE; | |
1777 | newconn->priv = priv; | |
1778 | faimdprintf(2,"faim: listening (fd = %d, unconnected)\n", newconn->fd); | |
1779 | ||
1780 | return newconn; | |
1781 | } | |
1782 | ||
1783 | /* | |
1784 | * aim_oft_getfile_request - request a particular file over an established getfile connection | |
1785 | * @sess: your session | |
1786 | * @conn: the established OFT getfile connection | |
1787 | * @name: filename to request | |
1788 | * @size: size of the file | |
1789 | * | |
1790 | */ | |
1791 | faim_export int aim_oft_getfile_request(struct aim_session_t *sess, struct aim_conn_t *conn, const unsigned char *name, const int size) | |
1792 | { | |
1793 | struct command_tx_struct *newoft; | |
1794 | struct aim_filetransfer_priv *ft; | |
1795 | if(!sess || !conn || !conn->priv || !name) | |
1796 | return 0; | |
1797 | ||
1798 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x120c, conn, 0))) { | |
1799 | faimdprintf(2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
1800 | return -1; | |
1801 | } | |
1802 | ||
1803 | newoft->lock = 1; | |
1804 | ||
1805 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1806 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1807 | ||
1808 | ft = (struct aim_filetransfer_priv *)conn->priv; | |
1809 | ft->fh.filesleft = 1; | |
1810 | ft->fh.totfiles = 1; | |
1811 | ft->fh.totparts = 1; | |
1812 | ft->fh.partsleft = 1; | |
1813 | ft->fh.totsize = size; | |
1814 | ft->fh.size = size; | |
1815 | ft->fh.checksum = 0; | |
1816 | memcpy(ft->fh.name, name, strlen(name)); | |
1817 | memset(ft->fh.name+strlen(name), 0, 1); | |
1818 | ||
1819 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1820 | newoft->lock = 0; | |
1821 | aim_tx_destroy(newoft); | |
1822 | return -1; | |
1823 | } | |
1824 | ||
1825 | if(!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { | |
1826 | newoft->lock = 0; | |
1827 | aim_tx_destroy(newoft); | |
1828 | return -1; | |
1829 | } | |
1830 | ||
1831 | newoft->lock = 0; | |
1832 | ||
1833 | aim_tx_enqueue(sess, newoft); | |
1834 | return 0; | |
1835 | } | |
1836 | ||
1837 | /* | |
1838 | * aim_oft_getfile_ack - acknowledge a getfile download as complete | |
1839 | * @sess: your session | |
1840 | * @conn: the getfile conn to send the ack over | |
1841 | * | |
1842 | * call this function after you have read all the data in a particular | |
1843 | * filetransfer | |
1844 | * | |
1845 | */ | |
1846 | faim_export int aim_oft_getfile_ack(struct aim_session_t *sess, struct aim_conn_t *conn) { | |
1847 | struct command_tx_struct *newoft; | |
1848 | struct aim_filetransfer_priv *ft; | |
1849 | ||
1850 | if(!sess || !conn || !conn->priv) | |
1851 | return -1; | |
1852 | ||
1853 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x0202, conn, 0))) { | |
1854 | faimdprintf(2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
1855 | return -1; | |
1856 | } | |
1857 | ||
1858 | newoft->lock = 1; | |
1859 | ||
1860 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1861 | newoft->hdr.oft.hdr2len = 0x100-8; | |
1862 | ||
1863 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1864 | newoft->lock = 0; | |
1865 | aim_tx_destroy(newoft); | |
1866 | return -1; | |
1867 | } | |
1868 | ||
1869 | ft = (struct aim_filetransfer_priv *)conn->priv; | |
1870 | ||
1871 | if(!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { | |
1872 | newoft->lock = 0; | |
1873 | aim_tx_destroy(newoft); | |
1874 | return -1; | |
1875 | } | |
1876 | ||
1877 | newoft->lock = 0; | |
1878 | aim_tx_enqueue(sess, newoft); | |
1879 | return 0; | |
1880 | } | |
1881 | ||
1882 | /* | |
1883 | * aim_oft_getfile_end - end a getfile. | |
1884 | * @sess: your session | |
1885 | * @conn: the getfile connection | |
1886 | * | |
1887 | * call this before you close the getfile connection if you're on the | |
1888 | * receiving/requesting end. | |
1889 | */ | |
1890 | faim_export int aim_oft_getfile_end(struct aim_session_t *sess, struct aim_conn_t *conn) | |
1891 | { | |
1892 | struct command_tx_struct *newoft; | |
1893 | struct aim_filetransfer_priv *ft; | |
1894 | ||
1895 | if(!sess || !conn || !conn->priv) | |
1896 | return -1; | |
1897 | ||
1898 | if(!(newoft = aim_tx_new(AIM_FRAMETYPE_OFT, 0x0204, conn, 0))) { | |
1899 | faimdprintf(2, "faim: aim_accepttransfer: tx_new OFT failed\n"); | |
1900 | return -1; | |
1901 | } | |
1902 | ||
1903 | newoft->lock = 1; | |
1904 | ||
1905 | memcpy(newoft->hdr.oft.magic, "OFT2", 4); | |
1906 | newoft->hdr.oft.hdr2len = 0x100 - 8; | |
1907 | ||
1908 | if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { | |
1909 | newoft->lock = 0; | |
1910 | aim_tx_destroy(newoft); | |
1911 | return -1; | |
1912 | } | |
1913 | ||
1914 | ft = (struct aim_filetransfer_priv *)conn->priv; | |
1915 | ft->state = 4; /* no longer wanting data */ | |
1916 | ft->fh.nrecvd = ft->fh.size; | |
1917 | ft->fh.recvcsum = ft->fh.checksum; | |
1918 | ft->fh.flags = 0x21; | |
1919 | ||
1920 | if(!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) { | |
1921 | newoft->lock = 0; | |
1922 | aim_tx_destroy(newoft); | |
1923 | return -1; | |
1924 | } | |
1925 | ||
1926 | newoft->lock = 0; | |
1927 | aim_tx_enqueue(sess, newoft); | |
1928 | ||
1929 | return 0; | |
1930 | } |