Commit | Line | Data |
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d3372da9 | 1 | /* |
2 | * Dolda Connect - Modular multiuser Direct Connect-style client | |
302a2600 | 3 | * Copyright (C) 2004 Fredrik Tolf <fredrik@dolda2000.com> |
d3372da9 | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | #include <stdlib.h> | |
20 | #include <stdio.h> | |
21 | #include <wchar.h> | |
d3372da9 | 22 | #include <unistd.h> |
23 | #include <fcntl.h> | |
24 | #include <string.h> | |
25 | #include <netinet/in.h> | |
26 | #include <arpa/inet.h> | |
d3372da9 | 27 | #include <wctype.h> |
28 | #include <time.h> | |
29 | #include <errno.h> | |
30 | #include <bzlib.h> | |
31 | #include <zlib.h> | |
32 | #include <sys/stat.h> | |
f9455250 | 33 | #include <stdint.h> |
d3372da9 | 34 | |
35 | #ifdef HAVE_CONFIG_H | |
36 | #include <config.h> | |
37 | #endif | |
38 | #include "filenet.h" | |
39 | #include "log.h" | |
40 | #include "module.h" | |
41 | #include "utils.h" | |
42 | #include "client.h" | |
43 | #include "transfer.h" | |
44 | #include "sysevents.h" | |
45 | #include "net.h" | |
8b17e919 | 46 | #include <tiger.h> |
d3372da9 | 47 | |
48 | /* | |
49 | * The Direct Connect protocol is extremely ugly. Thus, this code must | |
50 | * also be a bit ugly in certain places. Please forgive me. =/ | |
51 | * | |
52 | * This also means that there might be some pieces of the code that | |
53 | * look completely illogical to you, and you think that you may make | |
54 | * them much neater/better. However, in many cases it might just be | |
55 | * that it's required to cope with some oddity of the protocol, such | |
56 | * as the amazingly ugly delayed key response in the peer protocol. | |
57 | */ | |
58 | ||
59 | /* I assume this is the correct character set to use for DC, | |
60 | * considering it was developed without i18n support under Windows */ | |
61 | #define DCCHARSET "windows-1252" | |
62 | ||
d3372da9 | 63 | #define PEER_CMD 0 |
9a2d6cb8 | 64 | #define PEER_STOP 1 |
65 | #define PEER_TRNS 2 | |
66 | #define PEER_SYNC 3 | |
67 | #define PEER_TTHL 4 | |
d3372da9 | 68 | |
69 | #define CPRS_NONE 0 | |
70 | #define CPRS_ZLIB 1 | |
71 | ||
72 | struct command | |
73 | { | |
74 | char *name; | |
75 | void (*handler)(struct socket *sk, void *data, char *cmd, char *args); | |
9a2d6cb8 | 76 | int stop; |
8cb2d75b | 77 | int limit; |
d3372da9 | 78 | }; |
79 | ||
80 | struct qcommand | |
81 | { | |
82 | struct qcommand *next; | |
83 | char *string; | |
84 | }; | |
85 | ||
c256f071 FT |
86 | struct qcmdqueue |
87 | { | |
88 | struct qcommand *f, *l; | |
8cb2d75b | 89 | int size; |
c256f071 FT |
90 | }; |
91 | ||
d3372da9 | 92 | struct dchub |
93 | { | |
ffa81d5f | 94 | struct socket *sk; |
d3372da9 | 95 | char *inbuf; |
96 | size_t inbufdata, inbufsize; | |
c256f071 | 97 | struct qcmdqueue queue; |
1c4b02cd | 98 | int extended, dcppemu; |
1d85f24b | 99 | char *charset; |
d3372da9 | 100 | char *nativename; |
101 | char *nativenick; | |
08b74f8c | 102 | char **supports; |
d3372da9 | 103 | }; |
104 | ||
105 | struct dcexppeer | |
106 | { | |
107 | struct dcexppeer *next, *prev; | |
108 | char *nick; | |
109 | struct fnetnode *fn; | |
110 | struct timer *expire; | |
111 | }; | |
112 | ||
113 | struct dcpeer | |
114 | { | |
115 | struct dcpeer *next, *prev; | |
116 | struct socket *sk; | |
117 | struct fnetnode *fn; | |
118 | char *inbuf; | |
119 | size_t inbufdata, inbufsize; | |
dcf7a1a2 | 120 | off_t curread, totalsize; |
2bf4942d | 121 | int close; |
1e9d82b1 | 122 | struct timer *timeout; |
c256f071 | 123 | struct qcmdqueue queue; |
d3372da9 | 124 | struct transfer *transfer; |
125 | int state; | |
126 | int ptclose; /* Close after transfer is complete */ | |
127 | int accepted; /* If false, we connected, otherwise, we accepted */ | |
1c4b02cd | 128 | int extended, dcppemu; |
d3372da9 | 129 | int direction; /* Using the constants from transfer.h */ |
130 | int compress; | |
df873cd0 | 131 | int hascurpos, fetchingtthl, notthl; |
9a2d6cb8 | 132 | struct tigertreehash tth; |
1d85f24b | 133 | char *charset; |
d3372da9 | 134 | void *cprsdata; |
d3372da9 | 135 | char *key; |
136 | char *nativename; | |
137 | char **supports; | |
138 | wchar_t *wcsname; | |
139 | }; | |
140 | ||
141 | static struct fnet dcnet; | |
142 | static struct transferiface dctransfer; | |
143 | static struct socket *udpsock = NULL; | |
d1ef0200 | 144 | static struct lport *tcpsock = NULL; |
d3372da9 | 145 | static struct dcpeer *peers = NULL; |
146 | int numdcpeers = 0; | |
147 | static struct dcexppeer *expected = NULL; | |
148 | static char *hmlistname = NULL; | |
149 | static char *xmllistname = NULL; | |
150 | static char *xmlbz2listname = NULL; | |
6305c428 | 151 | static struct timer *listwritetimer = NULL; |
d3372da9 | 152 | |
cab0b442 | 153 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn); |
d3372da9 | 154 | static void freedcpeer(struct dcpeer *peer); |
cab0b442 | 155 | static void transread(struct socket *sk, struct dcpeer *peer); |
156 | static void transerr(struct socket *sk, int err, struct dcpeer *peer); | |
157 | static void transwrite(struct socket *sk, struct dcpeer *peer); | |
d3372da9 | 158 | static void updatehmlist(void); |
159 | static void updatexmllist(void); | |
160 | static void updatexmlbz2list(void); | |
9a2d6cb8 | 161 | static void requestfile(struct dcpeer *peer); |
6305c428 | 162 | static void updatelists(int now); |
d3372da9 | 163 | |
164 | static int reservedchar(unsigned char c) | |
165 | { | |
166 | return((c == 0) || (c == 5) || (c == 124) || (c == 96) || (c == 126) || (c == 36)); | |
167 | } | |
168 | ||
169 | /* Oh, how I despise having to do this... */ | |
170 | static char *dcmakekey(char *lock) | |
171 | { | |
172 | int i, len, offset; | |
173 | char *buf, *key; | |
174 | char save; | |
175 | ||
176 | buf = smalloc(strlen(lock)); | |
177 | save = 5; | |
178 | len = 0; | |
179 | for(i = 0; lock[i]; i++) | |
180 | { | |
181 | buf[i] = lock[i] ^ save; | |
182 | buf[i] = ((buf[i] & 0x0F) << 4) | ((buf[i] & 0xF0) >> 4); | |
183 | save = lock[i]; | |
184 | if((i != 0) && reservedchar(buf[i])) | |
185 | len += 10; | |
186 | else | |
187 | len++; | |
188 | } | |
189 | buf[0] ^= buf[i - 1]; | |
190 | if(reservedchar(buf[0])) | |
191 | len += 10; | |
192 | else | |
193 | len++; | |
194 | key = smalloc(len + 1); | |
195 | offset = 0; | |
196 | for(i = 0; lock[i] != 0; i++) | |
197 | { | |
198 | if(reservedchar(buf[i])) | |
199 | offset += sprintf(key + offset, "/%%DCN%03i%%/", buf[i]); | |
200 | else | |
201 | key[offset++] = buf[i]; | |
202 | } | |
203 | key[offset] = 0; | |
204 | free(buf); | |
205 | return(key); | |
206 | } | |
207 | ||
040118de | 208 | static wchar_t *nmdc2path(char *nmdc, char *charset) |
9a2d6cb8 | 209 | { |
040118de | 210 | wchar_t *ret, *p; |
9a2d6cb8 | 211 | |
040118de FT |
212 | if((ret = icmbstowcs(nmdc, charset)) == NULL) |
213 | return(NULL); | |
214 | for(p = ret; *p != L'\0'; p++) { | |
215 | if(*p == L'\\') | |
216 | *p = L'/'; | |
9a2d6cb8 | 217 | } |
9a2d6cb8 | 218 | return(ret); |
219 | } | |
220 | ||
040118de FT |
221 | static char *path2nmdc(wchar_t *path, char *charset) |
222 | { | |
223 | char *ret, *p; | |
224 | ||
225 | if((ret = icwcstombs(path, charset)) == NULL) | |
226 | return(NULL); | |
227 | for(p = ret; *p; p++) { | |
228 | if(*p == '/') | |
229 | *p = '\\'; | |
230 | } | |
231 | return(ret); | |
232 | } | |
233 | ||
234 | static wchar_t *adc2path(char *adc) | |
235 | { | |
236 | return(icmbstowcs(adc, "UTF-8")); | |
237 | } | |
238 | ||
239 | static char *path2adc(wchar_t *path) | |
240 | { | |
241 | return(icwcstombs(path, "UTF-8")); | |
242 | } | |
243 | ||
9a2d6cb8 | 244 | static int isdchash(struct hash *hash) |
245 | { | |
246 | if(wcscmp(hash->algo, L"TTH")) | |
247 | return(0); | |
248 | if(hash->len != 24) | |
249 | return(0); | |
250 | return(1); | |
251 | } | |
252 | ||
08b74f8c FT |
253 | /* |
254 | * Uncomment when used! | |
255 | ||
256 | static int hubsupports(struct dchub *hub, char *cap) | |
257 | { | |
258 | char **p; | |
259 | ||
260 | if(hub->supports == NULL) | |
261 | return(0); | |
262 | for(p = hub->supports; *p != NULL; p++) | |
263 | { | |
264 | if(!strcasecmp(*p, cap)) | |
265 | return(1); | |
266 | } | |
267 | return(0); | |
268 | } | |
269 | */ | |
270 | ||
9a2d6cb8 | 271 | static int supports(struct dcpeer *peer, char *cap) |
272 | { | |
273 | char **p; | |
274 | ||
275 | if(peer->supports == NULL) | |
276 | return(0); | |
277 | for(p = peer->supports; *p != NULL; p++) | |
278 | { | |
279 | if(!strcasecmp(*p, cap)) | |
280 | return(1); | |
281 | } | |
282 | return(0); | |
283 | } | |
284 | ||
d3372da9 | 285 | static void endcompress(struct dcpeer *peer) |
286 | { | |
287 | if(peer->compress == CPRS_ZLIB) | |
288 | { | |
289 | deflateEnd(peer->cprsdata); | |
290 | free(peer->cprsdata); | |
291 | } | |
292 | peer->compress = CPRS_NONE; | |
293 | } | |
294 | ||
295 | static void initcompress(struct dcpeer *peer, int algo) | |
296 | { | |
297 | int ret; | |
298 | ||
299 | endcompress(peer); | |
300 | peer->compress = algo; | |
301 | if(algo == CPRS_ZLIB) | |
302 | { | |
303 | peer->cprsdata = smalloc(sizeof(z_stream)); | |
304 | memset(peer->cprsdata, 0, sizeof(z_stream)); | |
305 | if((ret = deflateInit(peer->cprsdata, 3)) != Z_OK) | |
306 | { | |
307 | flog(LOG_CRIT, "Aiya! zlib refuses to init (%i)!", ret); | |
308 | abort(); | |
309 | } | |
310 | } | |
311 | } | |
312 | ||
313 | static void unquote(wchar_t *in) | |
314 | { | |
315 | wchar_t *p, *p2, nc; | |
316 | ||
317 | for(p = in; *p != L'\0'; p++) | |
318 | { | |
319 | if(*p == L'&') | |
320 | { | |
321 | for(p2 = p + 1; (*p2 != L'\0') && (*p2 != L';') && (*p2 != L'&'); p2++); | |
322 | if(*p2 == L'&') | |
323 | continue; | |
324 | if(*p2 == L'\0') | |
325 | return; | |
326 | *p2 = L'\0'; | |
327 | nc = L'\0'; | |
328 | if(!wcscmp(p + 1, L"amp")) | |
329 | { | |
330 | nc = L'&'; | |
331 | } else if(p[1] == L'#') { | |
332 | nc = ucptowc(wcstol(p + 2, NULL, 10)); | |
333 | } | |
334 | if(nc == L'\0') | |
335 | { | |
336 | *p2 = L';'; | |
337 | p = p2; | |
338 | continue; | |
339 | } | |
340 | *p = nc; | |
341 | memmove(p + 1, p2 + 1, (wcslen(p2 + 1) + 1) * sizeof(wchar_t)); | |
342 | } | |
343 | } | |
344 | } | |
345 | ||
346 | static void freeexppeer(struct dcexppeer *ep) | |
347 | { | |
348 | if(ep->next != NULL) | |
349 | ep->next->prev = ep->prev; | |
350 | if(ep->prev != NULL) | |
351 | ep->prev->next = ep->next; | |
352 | if(ep == expected) | |
353 | expected = ep->next; | |
354 | free(ep->nick); | |
355 | putfnetnode(ep->fn); | |
356 | if(ep->expire != NULL) | |
357 | canceltimer(ep->expire); | |
358 | free(ep); | |
359 | } | |
360 | ||
361 | static void exppeerexpire(int cancelled, struct dcexppeer *ep) | |
362 | { | |
363 | ep->expire = NULL; | |
364 | if(!cancelled) | |
365 | freeexppeer(ep); | |
366 | } | |
367 | ||
368 | static struct dcexppeer *expectpeer(char *nick, struct fnetnode *fn) | |
369 | { | |
370 | struct dcexppeer *ep; | |
371 | ||
372 | ep = smalloc(sizeof(*ep)); | |
373 | ep->nick = sstrdup(nick); | |
374 | getfnetnode(ep->fn = fn); | |
375 | ep->expire = timercallback(ntime() + 300, (void (*)(int, void *))exppeerexpire, ep); | |
376 | ep->next = expected; | |
377 | ep->prev = NULL; | |
378 | if(expected != NULL) | |
379 | expected->prev = ep; | |
380 | expected = ep; | |
381 | return(ep); | |
382 | } | |
383 | ||
c256f071 | 384 | static struct qcommand *newqcmd(struct qcmdqueue *queue, char *string) |
d3372da9 | 385 | { |
386 | struct qcommand *new; | |
387 | ||
d3372da9 | 388 | new = smalloc(sizeof(*new)); |
389 | new->string = sstrdup(string); | |
c256f071 FT |
390 | new->next = NULL; |
391 | if(queue->l == NULL) | |
392 | queue->f = new; | |
393 | else | |
394 | queue->l->next = new; | |
395 | queue->l = new; | |
8cb2d75b | 396 | queue->size++; |
d3372da9 | 397 | return(new); |
398 | } | |
399 | ||
c256f071 | 400 | static struct qcommand *ulqcmd(struct qcmdqueue *queue) |
d3372da9 | 401 | { |
402 | struct qcommand *qcmd; | |
403 | ||
c256f071 | 404 | if((qcmd = queue->f) == NULL) |
d3372da9 | 405 | return(NULL); |
c256f071 FT |
406 | if((queue->f = qcmd->next) == NULL) |
407 | queue->l = NULL; | |
8cb2d75b | 408 | queue->size--; |
d3372da9 | 409 | return(qcmd); |
410 | } | |
411 | ||
412 | static void freeqcmd(struct qcommand *qcmd) | |
413 | { | |
414 | free(qcmd->string); | |
415 | free(qcmd); | |
416 | } | |
417 | ||
418 | static void hubrecvchat(struct socket *sk, struct fnetnode *fn, char *from, char *string) | |
419 | { | |
420 | wchar_t *chat, *wfrom, *wpeer; | |
421 | char *p, *end; | |
422 | struct fnetpeer *peer; | |
1d85f24b | 423 | struct dchub *hub; |
d3372da9 | 424 | |
1d85f24b | 425 | hub = fn->data; |
d3372da9 | 426 | end = string + strlen(string); |
427 | while((p = strchr(string, 13)) != NULL) | |
428 | memmove(p, p + 1, (end-- - p)); | |
429 | if(from != NULL) | |
430 | { | |
431 | if((strlen(string) > strlen(from) + 2) && (*string == '<') && !memcmp(string + 1, from, strlen(from)) && (*(string + strlen(from) + 1) == '>')) | |
432 | string += strlen(from) + 2; | |
1d85f24b | 433 | if((wfrom = icmbstowcs(from, hub->charset)) == NULL) |
d3372da9 | 434 | return; |
435 | wpeer = swcsdup(wfrom); | |
436 | } else { | |
437 | wfrom = NULL; | |
438 | wpeer = NULL; | |
439 | if(*string == '<') | |
440 | { | |
441 | for(p = string + 1; *p; p++) | |
442 | { | |
443 | if((*p == ' ') || (*p == '>')) | |
444 | break; | |
445 | } | |
446 | if(*p == '>') | |
447 | { | |
448 | *(p++) = 0; | |
449 | if(*p == ' ') | |
450 | p++; | |
1d85f24b | 451 | if((wpeer = icmbstowcs(string + 1, hub->charset)) == NULL) |
d3372da9 | 452 | return; |
453 | string = p; | |
454 | } | |
455 | } | |
456 | if(wpeer == NULL) | |
457 | wpeer = swcsdup(L""); | |
458 | } | |
1d85f24b | 459 | if((chat = icmbstowcs(string, hub->charset)) == NULL) |
d3372da9 | 460 | { |
461 | if(wfrom != NULL) | |
462 | free(wfrom); | |
463 | free(wpeer); | |
464 | return; | |
465 | } | |
466 | unquote(chat); | |
467 | if(wfrom != NULL) | |
468 | { | |
469 | if((peer = fnetfindpeer(fn, wfrom)) == NULL) /* Assume public chat */ | |
470 | fnethandlechat(fn, 1, wfrom, wpeer, chat); | |
471 | else | |
472 | fnethandlechat(fn, 0, wfrom, wpeer, chat); | |
473 | } else { | |
474 | fnethandlechat(fn, 1, L"", wpeer, chat); | |
475 | } | |
476 | if(wfrom != NULL) | |
477 | free(wfrom); | |
478 | free(wpeer); | |
479 | free(chat); | |
480 | } | |
481 | ||
1e9d82b1 | 482 | static void peertimeout(int cancelled, struct dcpeer *peer) |
483 | { | |
484 | peer->timeout = NULL; | |
485 | if(cancelled) | |
486 | return; | |
487 | freedcpeer(peer); | |
488 | } | |
489 | ||
d3372da9 | 490 | static void sendadc(struct socket *sk, char *arg) |
491 | { | |
492 | char *buf; | |
493 | size_t bufsize, bufdata; | |
494 | ||
495 | buf = NULL; | |
496 | bufsize = bufdata = 0; | |
497 | addtobuf(buf, ' '); | |
498 | for(; *arg; arg++) | |
499 | { | |
500 | if(*arg == ' ') | |
501 | { | |
502 | bufcat(buf, "\\s", 2); | |
503 | } else if(*arg == '\n') { | |
504 | bufcat(buf, "\\n", 2); | |
505 | } else if(*arg == '\\') { | |
506 | bufcat(buf, "\\\\", 2); | |
507 | } else { | |
508 | addtobuf(buf, *arg); | |
509 | } | |
510 | } | |
511 | sockqueue(sk, buf, bufdata); | |
512 | free(buf); | |
513 | } | |
514 | ||
dcf7a1a2 FT |
515 | #if defined(__GNUC__) |
516 | static void __attribute__ ((format (printf, 2, 3))) sendadcf(struct socket *sk, char *arg, ...) | |
517 | #else | |
518 | static void sendadcf(struct socket *sk, char *arg, ...) | |
519 | #endif | |
d3372da9 | 520 | { |
521 | char *buf; | |
522 | va_list args; | |
523 | ||
524 | va_start(args, arg); | |
525 | buf = vsprintf2(arg, args); | |
526 | va_end(args); | |
527 | if(buf == NULL) | |
528 | return; | |
529 | sendadc(sk, buf); | |
530 | free(buf); | |
531 | } | |
532 | ||
533 | static char **parseadc(char *args) | |
534 | { | |
535 | char **retbuf; | |
536 | size_t retbufsize, retbufdata; | |
537 | char *buf; | |
538 | size_t bufsize, bufdata; | |
539 | int state; | |
540 | ||
541 | retbuf = NULL; | |
542 | buf = NULL; | |
543 | retbufsize = retbufdata = bufsize = bufdata = 0; | |
544 | state = 0; | |
545 | while(state != 3) | |
546 | { | |
547 | switch(state) | |
548 | { | |
549 | case 0: | |
550 | if(*args == 0) | |
551 | state = 3; | |
552 | else if(*args != ' ') | |
553 | state = 1; | |
554 | break; | |
555 | case 1: | |
556 | if((*args == ' ') || (*args == 0)) | |
557 | { | |
558 | addtobuf(buf, 0); | |
559 | addtobuf(retbuf, buf); | |
560 | buf = NULL; | |
561 | bufsize = bufdata = 0; | |
562 | if(*args == 0) | |
563 | state = 3; | |
564 | } else if(*args == '\\') { | |
565 | state = 2; | |
566 | } else { | |
567 | addtobuf(buf, *args); | |
568 | } | |
569 | args++; | |
570 | break; | |
571 | case 2: | |
572 | if(*args == 0) | |
573 | { | |
574 | if(buf != NULL) | |
575 | free(buf); | |
576 | addtobuf(retbuf, NULL); | |
577 | freeparr(retbuf); | |
578 | return(NULL); | |
f24d5cfb | 579 | } else if((*args == 's') || (*args == ' ')) { |
d3372da9 | 580 | addtobuf(buf, ' '); |
581 | } else if(*args == 'n') { | |
582 | addtobuf(buf, '\n'); | |
583 | } else if(*args == '\\') { | |
584 | addtobuf(buf, '\\'); | |
585 | } | |
a478552c | 586 | args++; |
d3372da9 | 587 | state = 1; |
a478552c | 588 | break; |
d3372da9 | 589 | } |
590 | } | |
591 | if(buf != NULL) | |
592 | free(buf); | |
593 | addtobuf(retbuf, NULL); | |
594 | return(retbuf); | |
595 | } | |
596 | ||
597 | /* Macros useful in command handlers */ | |
598 | #define skipspace(s) ({if(((s) = strchr((s), ' ')) == NULL) return; else (s)++;}) | |
599 | #define qstr(sk, str) sockqueue(sk, str, strlen(str)) | |
600 | #define qstrf(sk, strandargs...) \ | |
601 | do { \ | |
602 | char *__buf__; \ | |
603 | if((__buf__ = sprintf2(strandargs)) != NULL) { \ | |
604 | sockqueue(sk, __buf__, strlen(__buf__)); \ | |
605 | free(__buf__); \ | |
606 | } \ | |
607 | } while(0) | |
608 | ||
609 | static char *tr(char *str, char *trans) | |
610 | { | |
611 | char *p; | |
612 | ||
613 | for(; *trans; trans += 2) | |
614 | { | |
615 | for(p = strchr(str, trans[0]); p != NULL; p = strchr(p, trans[0])) | |
616 | *p = trans[1]; | |
617 | } | |
618 | return(str); | |
619 | } | |
620 | ||
9a2d6cb8 | 621 | static char *getadcid(struct dcpeer *peer) |
622 | { | |
623 | char *buf; | |
624 | char *ret; | |
d57f938a | 625 | int isfilelist; |
9a2d6cb8 | 626 | |
2a157d1a | 627 | isfilelist = 0; |
d57f938a | 628 | if(!wcscmp(peer->transfer->path, L"files.xml") || !wcscmp(peer->transfer->path, L"files.xml.bz2") || !wcscmp(peer->transfer->path, L"MyList.DcLst")) |
629 | isfilelist = 1; | |
630 | if(!isfilelist && (peer->transfer->hash != NULL) && isdchash(peer->transfer->hash) && supports(peer, "tthf")) | |
9a2d6cb8 | 631 | { |
632 | buf = base32encode(peer->transfer->hash->buf, 24); | |
633 | ret = sprintf2("TTH/%.39s", buf); | |
634 | free(buf); | |
635 | } else { | |
040118de | 636 | ret = path2adc(peer->transfer->path); |
9a2d6cb8 | 637 | } |
638 | return(ret); | |
639 | } | |
640 | ||
641 | ||
d3372da9 | 642 | static int trresumecb(struct transfer *transfer, wchar_t *cmd, wchar_t *arg, struct dcpeer *peer) |
643 | { | |
644 | if(!wcscmp(cmd, L"resume")) | |
645 | { | |
646 | if(arg == NULL) | |
647 | { | |
648 | flog(LOG_WARNING, "filter returned no position for \"resume\" on transfer %i", transfer->id); | |
649 | freedcpeer(peer); | |
650 | } else { | |
349c52a9 | 651 | transfer->curpos = wcstoll(arg, NULL, 10); |
9a2d6cb8 | 652 | peer->hascurpos = 1; |
653 | requestfile(peer); | |
d3372da9 | 654 | } |
d3372da9 | 655 | return(1); |
656 | } | |
657 | return(0); | |
658 | } | |
659 | ||
9a2d6cb8 | 660 | static void sendmynick(struct dcpeer *peer) |
d3372da9 | 661 | { |
1d85f24b | 662 | struct fnetnode *fn; |
d3372da9 | 663 | |
1d85f24b | 664 | fn = peer->fn; |
665 | if(fn == NULL) | |
666 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), peer->charset, "DoldaConnectUser-IN")); | |
9a2d6cb8 | 667 | else |
1d85f24b | 668 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(fn->mynick, peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 | 669 | } |
670 | ||
671 | static void sendpeerlock(struct dcpeer *peer) | |
672 | { | |
1c4b02cd | 673 | if(peer->dcppemu) |
674 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|"); | |
675 | else | |
676 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION); | |
9a2d6cb8 | 677 | } |
678 | ||
679 | static void sendsupports(struct dcpeer *peer) | |
680 | { | |
4b544330 | 681 | if(peer->dcppemu) { |
1c4b02cd | 682 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |"); |
4b544330 FT |
683 | } else { |
684 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF"); | |
685 | if(!confgetint("dc", "hidedeflate")) | |
686 | qstr(peer->sk, " GetZBlock ZLIG"); | |
687 | qstr(peer->sk, "|"); | |
688 | } | |
9a2d6cb8 | 689 | } |
690 | ||
691 | static void requestfile(struct dcpeer *peer) | |
692 | { | |
693 | char *buf; | |
694 | ||
695 | if(peer->transfer->size == -1) | |
d3372da9 | 696 | { |
1d85f24b | 697 | /* Use DCCHARSET for $Get paths until further researched... */ |
040118de | 698 | if((buf = path2nmdc(peer->transfer->path, DCCHARSET)) == NULL) |
d3372da9 | 699 | { |
9a2d6cb8 | 700 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
2bf4942d | 701 | peer->close = 1; |
d3372da9 | 702 | return; |
703 | } | |
9a2d6cb8 | 704 | /* The transfer will be restarted later from |
705 | * cmd_filelength when it detects that the sizes | |
706 | * don't match. */ | |
707 | qstrf(peer->sk, "$Get %s$1|", buf); | |
040118de | 708 | free(buf); |
9a2d6cb8 | 709 | return; |
d3372da9 | 710 | } |
9a2d6cb8 | 711 | if((peer->transfer->hash == NULL) && !peer->notthl) |
d3372da9 | 712 | { |
9a2d6cb8 | 713 | if(supports(peer, "adcget") && supports(peer, "tthl")) |
d3372da9 | 714 | { |
9a2d6cb8 | 715 | qstr(peer->sk, "$ADCGET"); |
716 | sendadc(peer->sk, "tthl"); | |
717 | if((buf = getadcid(peer)) == NULL) | |
d3372da9 | 718 | { |
9a2d6cb8 | 719 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
2bf4942d | 720 | peer->close = 1; |
d3372da9 | 721 | return; |
722 | } | |
9a2d6cb8 | 723 | sendadc(peer->sk, buf); |
724 | free(buf); | |
725 | sendadc(peer->sk, "0"); | |
726 | sendadc(peer->sk, "-1"); | |
727 | qstr(peer->sk, "|"); | |
df873cd0 | 728 | peer->fetchingtthl = 1; |
9a2d6cb8 | 729 | return; |
730 | } | |
731 | } | |
732 | if(!peer->hascurpos) | |
733 | { | |
734 | if(forkfilter(peer->transfer)) | |
735 | { | |
736 | flog(LOG_WARNING, "could not fork filter for transfer %i: %s", peer->transfer->id, strerror(errno)); | |
2bf4942d | 737 | peer->close = 1; |
9a2d6cb8 | 738 | return; |
d3372da9 | 739 | } |
9a2d6cb8 | 740 | CBREG(peer->transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer); |
741 | return; | |
742 | } | |
743 | if(supports(peer, "adcget")) | |
744 | { | |
745 | qstr(peer->sk, "$ADCGET"); | |
746 | sendadc(peer->sk, "file"); | |
747 | if((buf = getadcid(peer)) == NULL) | |
748 | { | |
749 | transferseterror(peer->transfer, TRNSE_NOTFOUND); | |
2bf4942d | 750 | peer->close = 1; |
9a2d6cb8 | 751 | return; |
752 | } | |
753 | sendadc(peer->sk, buf); | |
754 | free(buf); | |
dcf7a1a2 FT |
755 | sendadcf(peer->sk, "%ji", (intmax_t)peer->transfer->curpos); |
756 | sendadcf(peer->sk, "%ji", (intmax_t)(peer->transfer->size - peer->transfer->curpos)); | |
9a2d6cb8 | 757 | qstr(peer->sk, "|"); |
758 | } else if(supports(peer, "xmlbzlist")) { | |
040118de | 759 | if((buf = path2nmdc(peer->transfer->path, "UTF-8")) == NULL) |
9a2d6cb8 | 760 | { |
761 | transferseterror(peer->transfer, TRNSE_NOTFOUND); | |
2bf4942d | 762 | peer->close = 1; |
9a2d6cb8 | 763 | return; |
764 | } | |
dcf7a1a2 | 765 | qstrf(peer->sk, "$UGetBlock %ji %ji %s|", (intmax_t)peer->transfer->curpos, (intmax_t)(peer->transfer->size - peer->transfer->curpos), buf); |
040118de | 766 | free(buf); |
d3372da9 | 767 | } else { |
1d85f24b | 768 | /* Use DCCHARSET for $Get paths until further researched... */ |
040118de | 769 | if((buf = path2nmdc(peer->transfer->path, DCCHARSET)) == NULL) |
d3372da9 | 770 | { |
9a2d6cb8 | 771 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
2bf4942d | 772 | peer->close = 1; |
9a2d6cb8 | 773 | return; |
d3372da9 | 774 | } |
dcf7a1a2 | 775 | qstrf(peer->sk, "$Get %s$%ji|", buf, (intmax_t)peer->transfer->curpos + 1); |
040118de | 776 | free(buf); |
d3372da9 | 777 | } |
778 | } | |
779 | ||
780 | static void sendmyinfo(struct socket *sk, struct fnetnode *fn) | |
781 | { | |
782 | struct dchub *hub; | |
783 | char *buf; | |
784 | struct fnetnode *cfn; | |
69757b8c | 785 | int hn1, hn2, hn3; |
d3372da9 | 786 | |
787 | hub = fn->data; | |
788 | qstrf(sk, "$MyINFO $ALL %s ", hub->nativenick); | |
1d85f24b | 789 | buf = tr(icswcstombs(confgetstr("dc", "desc"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 | 790 | qstrf(sk, "%s", buf); |
69757b8c | 791 | hn1 = hn2 = hn3 = 0; |
d3372da9 | 792 | for(cfn = fnetnodes; cfn != NULL; cfn = cfn->next) |
793 | { | |
794 | if((cfn->state == FNN_EST) || (cfn->state == FNN_HS)) | |
69757b8c | 795 | { |
796 | if(cfn->regstatus == FNNS_OP) | |
797 | hn3++; | |
798 | else if(cfn->regstatus == FNNS_REG) | |
799 | hn2++; | |
800 | else | |
801 | hn1++; | |
802 | } | |
d3372da9 | 803 | } |
69757b8c | 804 | qstrf(sk, "<%s V:%s,M:%c,H:%i/%i/%i,S:%i>", |
1c4b02cd | 805 | (hub->dcppemu)?"++":"Dolda", |
806 | (hub->dcppemu)?"0.674":VERSION, | |
d3372da9 | 807 | (tcpsock == NULL)?'P':'A', |
69757b8c | 808 | hn1, hn2, hn3, |
d3372da9 | 809 | confgetint("transfer", "slots") |
810 | ); | |
811 | qstrf(sk, "$ $"); | |
1d85f24b | 812 | buf = tr(icswcstombs(confgetstr("dc", "speedstring"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 | 813 | qstrf(sk, "%s\x01$", buf); |
1d85f24b | 814 | buf = tr(icswcstombs(confgetstr("dc", "email"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 | 815 | qstrf(sk, "%s$", buf); |
816 | qstrf(sk, "%llu$|", sharesize); | |
817 | } | |
818 | ||
819 | static void hubhandleaction(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
820 | { | |
821 | struct dchub *hub; | |
822 | ||
823 | hub = fn->data; | |
824 | if(!strcmp(cmd, "$Lock")) | |
825 | { | |
826 | qstrf(sk, "$ValidateNick %s|", hub->nativenick); | |
827 | } else if(!strcmp(cmd, "$Hello")) { | |
828 | if(fn->state == FNN_HS) | |
829 | { | |
830 | qstrf(sk, "$Version 1,0091|"); | |
831 | qstrf(sk, "$GetNickList|"); | |
832 | sendmyinfo(sk, fn); | |
833 | fnetsetstate(fn, FNN_EST); | |
834 | } else { | |
835 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); | |
836 | } | |
837 | } | |
838 | } | |
839 | ||
840 | static void cmd_lock(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
841 | { | |
842 | struct dchub *hub; | |
843 | char *key; | |
844 | char *p; | |
845 | ||
846 | hub = fn->data; | |
847 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) | |
848 | hub->extended = 1; | |
849 | if((p = strchr(args, ' ')) != NULL) | |
850 | *(p++) = 0; | |
851 | if(hub->extended) | |
852 | { | |
4b544330 | 853 | if(hub->dcppemu) { |
1c4b02cd | 854 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock |"); |
4b544330 FT |
855 | } else { |
856 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch"); | |
857 | if(!confgetint("dc", "hidedeflate")) | |
858 | qstr(sk, " GetZBlock"); | |
859 | qstr(sk, "|"); | |
860 | } | |
d3372da9 | 861 | } |
862 | key = dcmakekey(args); | |
863 | qstrf(sk, "$Key %s|", key); | |
864 | free(key); | |
865 | hubhandleaction(sk, fn, cmd, args); | |
866 | } | |
867 | ||
868 | static void cmd_hubname(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
869 | { | |
870 | wchar_t *buf; | |
871 | struct dchub *hub; | |
872 | ||
873 | hub = fn->data; | |
874 | if(hub->nativename == NULL) | |
875 | free(hub->nativename); | |
876 | hub->nativename = sstrdup(args); | |
1d85f24b | 877 | buf = icmbstowcs(args, hub->charset); |
d3372da9 | 878 | fnetsetname(fn, (buf == NULL)?L"Hubname conv error":buf); |
879 | if(buf != NULL) | |
880 | free(buf); | |
881 | hubhandleaction(sk, fn, cmd, args); | |
882 | } | |
883 | ||
884 | static void cmd_hello(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
885 | { | |
886 | wchar_t *nick; | |
887 | struct dchub *hub; | |
888 | ||
889 | hub = fn->data; | |
1d85f24b | 890 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 | 891 | return; |
892 | if(strcmp(args, hub->nativenick) && (fnetfindpeer(fn, nick) == NULL)) | |
893 | fnetaddpeer(fn, nick, nick); | |
894 | free(nick); | |
895 | hubhandleaction(sk, fn, cmd, args); | |
896 | } | |
897 | ||
898 | static void cmd_quit(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
899 | { | |
900 | wchar_t *nick; | |
901 | struct fnetpeer *peer; | |
902 | struct dchub *hub; | |
903 | ||
904 | hub = fn->data; | |
1d85f24b | 905 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 | 906 | return; |
907 | if((peer = fnetfindpeer(fn, nick)) != NULL) | |
908 | fnetdelpeer(peer); | |
909 | free(nick); | |
910 | hubhandleaction(sk, fn, cmd, args); | |
911 | } | |
912 | ||
913 | static void cmd_nicklist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
914 | { | |
915 | struct dchub *hub; | |
916 | char *p; | |
917 | wchar_t *buf; | |
0e227c1d | 918 | struct fnetpeer *peer; |
d3372da9 | 919 | |
920 | hub = fn->data; | |
0e227c1d | 921 | for(peer = btreeiter(fn->peers); peer != NULL; peer = btreeiter(NULL)) |
d3372da9 | 922 | peer->flags.b.delete = 1; |
923 | while((p = strstr(args, "$$")) != NULL) | |
924 | { | |
925 | *p = 0; | |
1d85f24b | 926 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 | 927 | { |
928 | if((peer = fnetfindpeer(fn, buf)) == NULL) | |
929 | peer = fnetaddpeer(fn, buf, buf); | |
930 | else | |
931 | peer->flags.b.delete = 0; | |
932 | free(buf); | |
933 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); | |
934 | } | |
935 | args = p + 2; | |
936 | } | |
0e227c1d | 937 | fnetpeerdm(fn); |
d3372da9 | 938 | hubhandleaction(sk, fn, cmd, args); |
939 | } | |
940 | ||
941 | static void cmd_oplist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
942 | { | |
943 | struct dchub *hub; | |
944 | char *p; | |
945 | wchar_t *buf; | |
946 | struct fnetpeer *peer; | |
947 | ||
948 | hub = fn->data; | |
0e227c1d | 949 | for(peer = btreeiter(fn->peers); peer != NULL; peer = btreeiter(NULL)) |
d3372da9 | 950 | peer->flags.b.op = 0; |
951 | while((p = strstr(args, "$$")) != NULL) | |
952 | { | |
953 | *p = 0; | |
1d85f24b | 954 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 | 955 | { |
956 | if((peer = fnetfindpeer(fn, buf)) != NULL) | |
957 | peer->flags.b.op = 1; | |
958 | free(buf); | |
959 | } | |
960 | args = p + 2; | |
961 | } | |
962 | hubhandleaction(sk, fn, cmd, args); | |
963 | } | |
964 | ||
965 | static void cmd_myinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
966 | { | |
967 | char *p, *p2; | |
968 | wchar_t *buf, *wp, *wp2; | |
969 | wchar_t abuf[10]; | |
970 | struct fnetpeer *peer; | |
971 | struct dchub *hub; | |
972 | ||
973 | hub = fn->data; | |
974 | p = args; | |
975 | if(strncmp(p, "$ALL ", 5)) | |
976 | return; | |
977 | p += 5; | |
978 | if((p2 = strchr(p, ' ')) == NULL) | |
979 | return; | |
980 | *p2 = 0; | |
1d85f24b | 981 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 982 | return; |
983 | if((peer = fnetfindpeer(fn, buf)) == NULL) | |
984 | peer = fnetaddpeer(fn, buf, buf); | |
985 | free(buf); | |
986 | p = p2 + 1; | |
987 | if((p2 = strstr(p, "$ $")) == NULL) | |
988 | return; | |
989 | *p2 = 0; | |
1d85f24b | 990 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 991 | return; |
316e9a13 | 992 | if((wcslen(buf) > 0) && (buf[wcslen(buf) - 1] == L'>') && ((wp = wcsrchr(buf, L'<')) != NULL)) |
d3372da9 | 993 | { |
994 | buf[wcslen(buf) - 1] = L'\0'; | |
995 | *(wp++) = L'\0'; | |
996 | if((wp2 = wcschr(wp, L' ')) != NULL) | |
997 | { | |
998 | *(wp2++) = L'\0'; | |
999 | fnetpeersetstr(peer, L"dc-client", wp); | |
1000 | wp = wp2; | |
1001 | do | |
1002 | { | |
1003 | if((wp2 = wcschr(wp, L',')) != NULL) | |
1004 | *(wp2++) = L'\0'; | |
1005 | if(wp[1] != L':') | |
1006 | continue; | |
1007 | swprintf(abuf, 10, L"dc-tag-%lc", wp[0]); | |
1008 | fnetpeersetstr(peer, abuf, wp + 2); | |
1009 | wp = wp2; | |
1010 | } while(wp2 != NULL); | |
1011 | } | |
1012 | } | |
1013 | fnetpeersetstr(peer, L"descr", buf); | |
1014 | free(buf); | |
1015 | p = p2 + 3; | |
1016 | if((p2 = strchr(p, '$')) == NULL) | |
1017 | return; | |
1018 | *(p2 - 1) = 0; | |
1d85f24b | 1019 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 1020 | return; |
1021 | fnetpeersetstr(peer, L"dc-speed", buf); | |
1022 | free(buf); | |
1023 | p = p2 + 1; | |
1024 | if((p2 = strchr(p, '$')) == NULL) | |
1025 | return; | |
1026 | *p2 = 0; | |
1d85f24b | 1027 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 1028 | return; |
1029 | fnetpeersetstr(peer, L"email", buf); | |
1030 | free(buf); | |
1031 | p = p2 + 1; | |
1032 | if(strlen(p) < 1) | |
1033 | return; | |
1034 | fnetpeersetlnum(peer, L"share", strtoll(p, NULL, 10)); | |
1035 | hubhandleaction(sk, fn, cmd, args); | |
1036 | } | |
1037 | ||
1038 | /* I do not implement the fully in that I do not disconnect from the | |
1039 | * old hub. I do this since I believe that if the hub owner really | |
1040 | * wants to get rid of us, then it is his responsibility to disconnect | |
1041 | * us. */ | |
1042 | static void cmd_forcemove(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1043 | { | |
1044 | struct dchub *hub; | |
1045 | struct fnetnode *newfn; | |
1046 | int freeargs; | |
1047 | ||
1048 | hub = fn->data; | |
1049 | if(strchr(args, ':') == NULL) | |
1050 | { | |
1051 | args = strcpy(smalloc(strlen(args) + 5), args); | |
1052 | strcat(args, ":411"); | |
1053 | freeargs = 1; | |
1054 | } else { | |
1055 | freeargs = 0; | |
1056 | } | |
a3a4a3a7 | 1057 | if((newfn = fnetinitconnect(L"dc", fn->owner, args, NULL)) != NULL) |
d3372da9 | 1058 | { |
1059 | linkfnetnode(newfn); | |
1060 | putfnetnode(newfn); | |
1061 | } | |
1062 | hubhandleaction(sk, fn, cmd, args); | |
1063 | if(freeargs) | |
1064 | free(args); | |
1065 | } | |
1066 | ||
1d85f24b | 1067 | static char *getdcpath(struct sharecache *node, size_t *retlen, char *charset) |
d3372da9 | 1068 | { |
1069 | char *buf, *buf2; | |
1070 | size_t len, len2; | |
1071 | ||
1072 | if(node->parent == NULL) | |
1073 | return(NULL); | |
1074 | if(node->parent == shareroot) | |
1075 | { | |
1d85f24b | 1076 | if((buf = icwcstombs(node->name, charset)) == NULL) |
d3372da9 | 1077 | return(NULL); |
1078 | if(retlen != NULL) | |
1079 | *retlen = strlen(buf); | |
1080 | return(buf); | |
1081 | } else { | |
1d85f24b | 1082 | if((buf2 = icwcstombs(node->name, charset)) == NULL) |
d3372da9 | 1083 | return(NULL); |
1d85f24b | 1084 | if((buf = getdcpath(node->parent, &len, charset)) == NULL) |
d3372da9 | 1085 | { |
1086 | free(buf2); | |
1087 | return(NULL); | |
1088 | } | |
1089 | len2 = strlen(buf2); | |
1090 | buf = srealloc(buf, len + 1 + len2 + 1); | |
1091 | buf[len++] = '\\'; | |
1092 | strcpy(buf + len, buf2); | |
1093 | buf[len + len2] = 0; | |
1094 | free(buf2); | |
1095 | if(retlen != NULL) | |
1096 | *retlen = len + len2; | |
1097 | return(buf); | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | /* | |
1102 | * This is the main share searching function for Direct Connect | |
1103 | * peers. Feel free to optimize it if you feel the need for it. I | |
1104 | * haven't ever seen it take any noticable CPU time anyway, so I | |
1105 | * haven't felt that need. | |
1106 | * | |
1107 | * It may feel dubious to just return the directory when all terms are | |
1108 | * satisfied rather than all the files in it, but it really benefits | |
1109 | * everyone: Less cycles used for us, less UDP squelching for active | |
1110 | * searchers, and less bandwidth waste for hubs when serving passive | |
1111 | * searchers. | |
1112 | */ | |
1113 | static void cmd_search(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1114 | { | |
1115 | int i, done; | |
1116 | struct dchub *hub; | |
1117 | char *p, *p2; | |
1118 | char *prefix, *infix, *postfix, *buf, *buf2; | |
1119 | struct socket *dsk; | |
1120 | struct sockaddr_in addr; | |
1121 | struct sharecache *node; | |
1122 | int minsize, maxsize; | |
c7185019 | 1123 | int dotth; |
1124 | size_t buflen; | |
d3372da9 | 1125 | int termnum, satisfied, skipcheck; |
1126 | int level, tersat[32]; | |
8bdbfebe | 1127 | wchar_t *terms[32], *lname; |
d3372da9 | 1128 | char hashtth[24]; |
1129 | ||
1130 | hub = fn->data; | |
1131 | if((p = strchr(args, ' ')) == NULL) | |
1132 | return; | |
1133 | *(p++) = 0; | |
1134 | ||
1135 | memset(terms, 0, sizeof(terms)); | |
1136 | prefix = infix = postfix = NULL; | |
1137 | dsk = NULL; | |
1138 | dotth = 0; | |
1139 | ||
1140 | if(!strncmp(args, "Hub:", 4)) | |
1141 | { | |
1142 | if(!strcmp(cmd, "$MultiSearch")) | |
1143 | goto out; | |
1144 | if(!strcmp(args + 4, hub->nativenick)) | |
1145 | goto out; | |
1146 | prefix = sprintf2("$SR %s ", hub->nativenick); | |
1147 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); | |
d1ef0200 | 1148 | postfix = sprintf2(" (%s)\005%s|", formatsockpeer(hub->sk), args + 4); |
d3372da9 | 1149 | dsk = sk; |
1150 | getsock(dsk); | |
1151 | } else { | |
1152 | if((p2 = strchr(args, ':')) == NULL) | |
1153 | goto out; | |
1154 | *(p2++) = 0; | |
1155 | addr.sin_family = AF_INET; | |
1156 | if(!inet_aton(args, &addr.sin_addr)) | |
1157 | goto out; | |
1158 | addr.sin_port = htons(atoi(p2)); | |
1159 | prefix = sprintf2("$SR %s ", hub->nativenick); | |
1160 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); | |
d1ef0200 FT |
1161 | postfix = sprintf2(" (%s)|", formatsockpeer(hub->sk)); |
1162 | dsk = netdgramconn(udpsock, (struct sockaddr *)&addr, sizeof(addr)); | |
d3372da9 | 1163 | } |
1164 | ||
1165 | minsize = maxsize = -1; | |
1166 | if(*p == 0) | |
1167 | goto out; | |
1168 | if(*(p++) == 'T') | |
1169 | minsize = 0; | |
1170 | if(*(p++) != '?') | |
1171 | goto out; | |
1172 | if(*p == 0) | |
1173 | goto out; | |
9d8cf743 | 1174 | if((*(p++) == 'T') && (minsize == 0)) |
d3372da9 | 1175 | { |
1176 | maxsize = 0; | |
1177 | minsize = -1; | |
1178 | } | |
1179 | if(*(p++) != '?') | |
1180 | goto out; | |
1181 | if((p2 = strchr(p, '?')) == NULL) | |
1182 | goto out; | |
1183 | *(p2++) = 0; | |
1184 | if(minsize == 0) | |
1185 | minsize = atoi(p); | |
1186 | if(maxsize == 0) | |
1187 | maxsize = atoi(p); | |
1188 | p = p2 + 1; | |
1189 | if(*(p++) != '?') | |
1190 | goto out; | |
1191 | termnum = 0; | |
1192 | p2 = p; | |
1193 | done = 0; | |
1194 | while(!done) | |
1195 | { | |
1196 | if((*p2 == 0) || (*p2 == '$')) | |
1197 | { | |
1198 | if(*p2 == 0) | |
1199 | done = 1; | |
1200 | else | |
1201 | *p2 = 0; | |
1202 | if(*p) | |
1203 | { | |
1204 | if(!dotth && !strncmp(p, "TTH:", 4)) | |
1205 | { | |
1206 | dotth = 1; | |
2dd01e6e | 1207 | if(((buf = base32decode(p + 4, &buflen)) == NULL) || (buflen != 24)) |
1208 | { | |
1209 | free(buf); | |
d3372da9 | 1210 | goto out; |
2dd01e6e | 1211 | } |
d3372da9 | 1212 | memcpy(hashtth, buf, 24); |
1213 | free(buf); | |
1214 | } else { | |
8bdbfebe FT |
1215 | if((terms[termnum] = icmbstowcs(p, hub->charset)) != NULL) { |
1216 | wcslower(terms[termnum]); | |
d3372da9 | 1217 | termnum++; |
8bdbfebe | 1218 | } |
d3372da9 | 1219 | } |
1220 | } | |
1221 | p = p2 + 1; | |
1222 | if(termnum == 32) | |
1223 | break; | |
1224 | } | |
1225 | p2++; | |
1226 | } | |
1227 | ||
1228 | node = shareroot->child; | |
1229 | level = 0; | |
1230 | for(i = 0; i < termnum; i++) | |
1231 | tersat[i] = -1; | |
1232 | satisfied = 0; | |
1233 | while(1) | |
1234 | { | |
1235 | skipcheck = 0; | |
1236 | if(node->f.b.type == FILE_REG) | |
1237 | { | |
1238 | if((minsize >= 0) && (node->size < minsize)) | |
1239 | skipcheck = 1; | |
1240 | if((maxsize >= 0) && (node->size > maxsize)) | |
1241 | skipcheck = 1; | |
1242 | } | |
1243 | if(!skipcheck && dotth) | |
1244 | { | |
1245 | if((node->f.b.type != FILE_REG) || (node->f.b.hastth && memcmp(hashtth, node->hashtth, 24))) | |
1246 | skipcheck = 1; | |
1247 | } | |
1248 | if(!skipcheck) | |
1249 | { | |
8bdbfebe | 1250 | lname = wcslower(swcsdup(node->name)); |
d3372da9 | 1251 | for(i = 0; i < termnum; i++) |
1252 | { | |
1253 | if(tersat[i] >= 0) | |
1254 | continue; | |
8bdbfebe | 1255 | if(wcsstr(lname, terms[i])) |
d3372da9 | 1256 | { |
1257 | tersat[i] = level; | |
1258 | satisfied++; | |
1259 | } else if(node->child == NULL) { | |
1260 | break; | |
1261 | } | |
1262 | } | |
8bdbfebe | 1263 | free(lname); |
d3372da9 | 1264 | } |
1265 | if(!skipcheck && (satisfied == termnum)) | |
1266 | { | |
1d85f24b | 1267 | /* Use DCCHARSET in $Get paths until further researched... */ |
1268 | if((buf = getdcpath(node, NULL, DCCHARSET)) != NULL) | |
d3372da9 | 1269 | { |
1270 | if(node->f.b.hastth) | |
1271 | { | |
1272 | buf2 = base32encode(node->hashtth, 24); | |
dcf7a1a2 | 1273 | qstrf(dsk, "%s%s\005%ji%sTTH:%.39s%s", prefix, buf, (intmax_t)node->size, infix, buf2, postfix); |
d3372da9 | 1274 | free(buf2); |
1275 | } else { | |
dcf7a1a2 | 1276 | qstrf(dsk, "%s%s\005%ji%s%s%s", prefix, buf, (intmax_t)node->size, infix, hub->nativename, postfix); |
d3372da9 | 1277 | } |
1278 | free(buf); | |
1279 | } | |
1280 | } | |
1281 | if((!skipcheck && (satisfied == termnum)) || (node->child == NULL)) | |
1282 | { | |
1283 | while(node->next == NULL) | |
1284 | { | |
1285 | if((node = node->parent) == shareroot) | |
1286 | break; | |
1287 | level--; | |
1288 | } | |
1289 | if(node == shareroot) | |
1290 | break; | |
1291 | for(i = 0; i < termnum; i++) | |
1292 | { | |
1293 | if(tersat[i] >= level) | |
1294 | { | |
1295 | tersat[i] = -1; | |
1296 | satisfied--; | |
1297 | } | |
1298 | } | |
1299 | node = node->next; | |
1300 | } else { | |
1301 | node = node->child; | |
1302 | level++; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | hubhandleaction(sk, fn, cmd, args); | |
1307 | ||
1308 | out: | |
1309 | if(dsk != NULL) | |
1310 | putsock(dsk); | |
1311 | if(prefix != NULL) | |
1312 | free(prefix); | |
1313 | if(infix != NULL) | |
1314 | free(infix); | |
1315 | if(postfix != NULL) | |
1316 | free(postfix); | |
1317 | for(i = 0; (i < 32) && (terms[i] != NULL); i++) | |
1318 | free(terms[i]); | |
1319 | } | |
1320 | ||
1321 | static void cmd_connecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1322 | { | |
1323 | char *p; | |
1324 | struct dchub *hub; | |
1325 | struct socket *newsk; | |
1326 | struct sockaddr_in addr; | |
1327 | ||
1328 | hub = fn->data; | |
1329 | if((p = strchr(args, ' ')) == NULL) | |
1330 | return; | |
1331 | *(p++) = 0; | |
1332 | if(strcmp(args, hub->nativenick)) | |
1333 | return; | |
1334 | addr.sin_family = AF_INET; | |
1335 | args = p; | |
1336 | if((p = strchr(args, ':')) == NULL) | |
1337 | return; | |
1338 | *(p++) = 0; | |
1339 | addr.sin_port = htons(atoi(p)); | |
1340 | if(!inet_aton(args, &addr.sin_addr)) | |
1341 | return; | |
cab0b442 | 1342 | newsk = netcsconn((struct sockaddr *)&addr, sizeof(addr), (void (*)(struct socket *, int, void *))peerconnect, fn); |
d3372da9 | 1343 | getfnetnode(fn); |
1344 | hubhandleaction(sk, fn, cmd, args); | |
1345 | } | |
1346 | ||
1347 | static void sendctm(struct socket *sk, char *nick) | |
1348 | { | |
1349 | struct sockaddr *addr; | |
1350 | socklen_t addrlen; | |
1351 | ||
1352 | if(tcpsock == NULL) | |
1353 | return; | |
f96d0914 | 1354 | if(lstgetremotename2(tcpsock, sk, &addr, &addrlen) < 0) |
d3372da9 | 1355 | return; |
1356 | if(addr->sa_family == AF_INET) | |
1357 | qstrf(sk, "$ConnectToMe %s %s|", nick, formataddress(addr, addrlen)); | |
1358 | else | |
1359 | flog(LOG_WARNING, "Direct Connect TCP socket is suddenly not AF_INET, but %i", addr->sa_family); | |
1360 | free(addr); | |
1361 | } | |
1362 | ||
1363 | static void cmd_revconnecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1364 | { | |
1365 | struct dchub *hub; | |
1366 | char *p; | |
1367 | ||
1368 | hub = fn->data; | |
1369 | if((p = strchr(args, ' ')) == NULL) | |
1370 | return; | |
1371 | *(p++) = 0; | |
1372 | if(strcmp(p, hub->nativenick)) | |
1373 | return; | |
1374 | sendctm(sk, args); | |
1375 | expectpeer(args, fn); | |
1376 | hubhandleaction(sk, fn, cmd, args); | |
1377 | } | |
1378 | ||
1379 | static void cmd_getnetinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1380 | { | |
1381 | struct dchub *hub; | |
1382 | struct fnetnode *node; | |
1383 | int numhubs; | |
1384 | ||
1385 | hub = fn->data; | |
1386 | numhubs = 0; | |
1387 | for(node = fnetnodes; node != NULL; node = node->next) | |
1388 | { | |
1389 | if(node->state == FNN_EST) | |
1390 | numhubs++; | |
1391 | } | |
1392 | qstrf(sk, "$NetInfo %i$%i$%c$0|", confgetint("transfer", "slots"), numhubs, (tcpsock == NULL)?'P':'A'); | |
1393 | hubhandleaction(sk, fn, cmd, args); | |
1394 | } | |
1395 | ||
1396 | static void cmd_to(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1397 | { | |
1398 | struct dchub *hub; | |
1399 | char *p, *p2; | |
1400 | ||
1401 | hub = fn->data; | |
1402 | p = args; | |
1403 | if((p2 = strchr(p, ' ')) == NULL) | |
1404 | return; | |
1405 | *(p2++) = 0; | |
1406 | p = p2; | |
1407 | if((p2 = strchr(p, ' ')) == NULL) | |
1408 | return; | |
1409 | *(p2++) = 0; | |
1410 | if(strcmp(p, "From:")) | |
1411 | return; | |
1412 | p = p2; | |
1413 | if((p2 = strstr(p, " $")) == NULL) | |
1414 | return; | |
1415 | *p2 = 0; | |
1416 | p2 += 2; | |
ffa81d5f | 1417 | hubrecvchat(hub->sk, fn, p, p2); |
d3372da9 | 1418 | hubhandleaction(sk, fn, cmd, args); |
1419 | } | |
1420 | ||
1421 | static void cmd_sr(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1422 | { | |
1423 | struct dchub *hub; | |
d86b7a9f | 1424 | char *p, *p2, *buf; |
d3372da9 | 1425 | char *nick, *filename, *hubname; |
dcf7a1a2 FT |
1426 | off_t size; |
1427 | int slots; | |
d86b7a9f | 1428 | size_t buflen; |
d3372da9 | 1429 | struct srchres *sr; |
1430 | wchar_t *wnick, *wfile; | |
1431 | ||
1432 | hub = fn->data; | |
1433 | nick = p = args; | |
1434 | if((p2 = strchr(p, ' ')) == NULL) | |
1435 | return; | |
1436 | *p2 = 0; | |
1437 | p = p2 + 1; | |
1438 | filename = p; | |
1439 | if((p2 = strchr(p, 5)) == NULL) | |
1440 | return; | |
1441 | *p2 = 0; | |
1442 | p = p2 + 1; | |
1443 | if((p2 = strchr(p, ' ')) == NULL) | |
1444 | return; | |
1445 | *p2 = 0; | |
dcf7a1a2 | 1446 | size = strtoll(p, NULL, 10); |
d3372da9 | 1447 | p = p2 + 1; |
1448 | if((p2 = strchr(p, '/')) == NULL) | |
1449 | return; | |
1450 | *p2 = 0; | |
1451 | slots = atoi(p); | |
1452 | p = p2 + 1; | |
1453 | if((p2 = strchr(p, 5)) == NULL) | |
1454 | return; | |
1455 | p = p2 + 1; | |
1456 | hubname = p; | |
1457 | if((p2 = strstr(p, " (")) == NULL) | |
1458 | return; | |
1459 | *p2 = 0; | |
1d85f24b | 1460 | if((wnick = icmbstowcs(nick, hub->charset)) == NULL) |
d3372da9 | 1461 | return; |
1d85f24b | 1462 | /* Use DCCHARSET in $Get paths until further researched... */ |
040118de | 1463 | if((wfile = nmdc2path(filename, DCCHARSET)) == NULL) |
d3372da9 | 1464 | { |
1465 | free(wnick); | |
1466 | return; | |
1467 | } | |
1468 | sr = newsrchres(&dcnet, wfile, wnick); | |
1469 | if(sr->peernick != NULL) | |
1470 | free(sr->peernick); | |
1471 | sr->peernick = swcsdup(wnick); | |
1472 | sr->size = size; | |
1473 | sr->slots = slots; | |
1474 | free(wfile); | |
1475 | free(wnick); | |
d86b7a9f | 1476 | if(!strncmp(hubname, "TTH:", 4)) |
1477 | { | |
1478 | if((buf = base32decode(hubname + 4, &buflen)) != NULL) | |
1479 | { | |
1480 | if(buflen == 24) | |
1481 | sr->hash = newhash(L"TTH", 24, buf); | |
1482 | free(buf); | |
1483 | } | |
1484 | } | |
d3372da9 | 1485 | getfnetnode(sr->fn = fn); |
1486 | submitsrchres(sr); | |
1487 | freesrchres(sr); | |
1488 | hubhandleaction(sk, fn, cmd, args); | |
1489 | } | |
1490 | ||
1491 | static void cmd_usercommand(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1492 | { | |
1493 | /* Do nothing for now. */ | |
1494 | } | |
1495 | ||
48509089 | 1496 | static void cmd_getpass(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1497 | { | |
1498 | struct dchub *hub; | |
1c4b02cd | 1499 | wchar_t *pw; |
48509089 | 1500 | char *mbspw; |
1501 | ||
1502 | hub = fn->data; | |
1c4b02cd | 1503 | pw = wpfind(fn->args, L"password"); |
1d85f24b | 1504 | if((pw == NULL) || ((mbspw = icwcstombs(pw, hub->charset)) == NULL)) |
48509089 | 1505 | { |
1506 | killfnetnode(fn); | |
1507 | return; | |
1508 | } | |
1509 | qstrf(sk, "$MyPass %s|", mbspw); | |
1510 | free(mbspw); | |
fcd0627b | 1511 | fn->regstatus = FNNS_REG; |
48509089 | 1512 | hubhandleaction(sk, fn, cmd, args); |
1513 | } | |
1514 | ||
c9b3ad74 | 1515 | static void cmd_logedin(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1516 | { | |
1517 | struct dchub *hub; | |
1518 | ||
1519 | hub = fn->data; | |
fcd0627b | 1520 | fn->regstatus = FNNS_OP; |
c9b3ad74 | 1521 | hubhandleaction(sk, fn, cmd, args); |
1522 | } | |
1523 | ||
08b74f8c FT |
1524 | static void cmd_hubsupports(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1525 | { | |
1526 | struct dchub *hub; | |
1527 | int i; | |
1528 | char *p, *p2; | |
1529 | char **arr; | |
1530 | size_t arrsize, arrdata; | |
1531 | ||
1532 | hub = fn->data; | |
1533 | if(hub->supports != NULL) | |
1534 | { | |
1535 | for(i = 0; hub->supports[i] != NULL; i++) | |
1536 | free(hub->supports[i]); | |
1537 | free(hub->supports); | |
1538 | } | |
1539 | arr = NULL; | |
1540 | arrsize = arrdata = 0; | |
1541 | p = args; | |
1542 | do | |
1543 | { | |
1544 | if((p2 = strchr(p, ' ')) != NULL) | |
1545 | *(p2++) = 0; | |
1546 | if(*p == 0) | |
1547 | continue; | |
1548 | addtobuf(arr, sstrdup(p)); | |
1549 | } while((p = p2) != NULL); | |
1550 | addtobuf(arr, NULL); | |
1551 | hub->supports = arr; | |
1552 | } | |
1553 | ||
d3372da9 | 1554 | static void cmd_mynick(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1555 | { | |
9a2d6cb8 | 1556 | struct dcexppeer *expect; |
1c4b02cd | 1557 | struct dchub *hub; |
9a2d6cb8 | 1558 | |
d3372da9 | 1559 | if(peer->nativename != NULL) |
1560 | free(peer->nativename); | |
1561 | peer->nativename = sstrdup(args); | |
1562 | if(peer->wcsname != NULL) | |
1563 | free(peer->wcsname); | |
1d85f24b | 1564 | if((peer->wcsname = icmbstowcs(peer->nativename, peer->charset)) == NULL) |
d3372da9 | 1565 | { |
2bf4942d | 1566 | peer->close = 1; |
d3372da9 | 1567 | return; |
1568 | } | |
9a2d6cb8 | 1569 | if(peer->accepted) |
1570 | { | |
1571 | for(expect = expected; expect != NULL; expect = expect->next) | |
1572 | { | |
1573 | if(!strcmp(expect->nick, args)) | |
1574 | break; | |
1575 | } | |
1576 | if(expect == NULL) | |
1577 | { | |
1578 | peer->fn = NULL; | |
1579 | } else { | |
1c4b02cd | 1580 | hub = expect->fn->data; |
9a2d6cb8 | 1581 | peer->fn = expect->fn; |
1582 | getfnetnode(peer->fn); | |
1c4b02cd | 1583 | peer->dcppemu = hub->dcppemu; |
9a2d6cb8 | 1584 | freeexppeer(expect); |
1585 | } | |
1586 | } | |
d3372da9 | 1587 | } |
1588 | ||
1589 | static void cmd_direction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1590 | { | |
1591 | char *p; | |
9a2d6cb8 | 1592 | int mydir; |
1593 | struct transfer *transfer; | |
d3372da9 | 1594 | |
1595 | if((p = strchr(args, ' ')) == NULL) | |
1596 | return; | |
1597 | *p = 0; | |
1598 | if(!strcmp(args, "Upload")) | |
9a2d6cb8 | 1599 | mydir = TRNSD_DOWN; |
d3372da9 | 1600 | if(!strcmp(args, "Download")) |
9a2d6cb8 | 1601 | mydir = TRNSD_UP; |
1602 | if(peer->accepted) | |
1603 | { | |
1604 | if((peer->transfer == NULL) || (mydir != peer->direction)) | |
1605 | { | |
2bf4942d | 1606 | peer->close = 1; |
9a2d6cb8 | 1607 | return; |
1608 | } | |
1b14d3d8 | 1609 | if(peer->direction == TRNSD_DOWN) |
1610 | requestfile(peer); | |
9a2d6cb8 | 1611 | } else { |
1612 | if(peer->wcsname == NULL) | |
1613 | { | |
2bf4942d | 1614 | peer->close = 1; |
9a2d6cb8 | 1615 | return; |
1616 | } | |
1617 | peer->direction = mydir; | |
1618 | if(peer->direction == TRNSD_UP) | |
1619 | { | |
01663fd9 | 1620 | if(confgetint("transfer", "ulquota") && hasupload(&dcnet, peer->wcsname)) |
1621 | { | |
2bf4942d | 1622 | peer->close = 1; |
01663fd9 | 1623 | return; |
1624 | } | |
9a2d6cb8 | 1625 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1626 | } else { | |
1627 | if((transfer = finddownload(peer->wcsname)) == NULL) | |
1628 | { | |
2bf4942d | 1629 | peer->close = 1; |
9a2d6cb8 | 1630 | return; |
1631 | } | |
1632 | transferattach(transfer, &dctransfer, peer); | |
1633 | transfersetstate(transfer, TRNS_HS); | |
1634 | } | |
1635 | transfersetnick(transfer, peer->wcsname); | |
1636 | peer->transfer = transfer; | |
1637 | if(peer->extended) | |
1638 | sendsupports(peer); | |
1639 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); | |
1640 | if(peer->key != NULL) | |
1641 | qstrf(sk, "$Key %s|", peer->key); | |
1642 | if(peer->direction == TRNSD_DOWN) | |
1643 | requestfile(peer); | |
1644 | } | |
d3372da9 | 1645 | } |
1646 | ||
1647 | static void cmd_peerlock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1648 | { | |
9a2d6cb8 | 1649 | char *p, *key; |
1650 | struct transfer *transfer; | |
d3372da9 | 1651 | |
1652 | if((p = strchr(args, ' ')) == NULL) | |
1653 | return; | |
1654 | *p = 0; | |
1655 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) | |
1656 | peer->extended = 1; | |
9a2d6cb8 | 1657 | key = dcmakekey(args); |
1658 | if(peer->accepted) | |
1659 | { | |
1660 | if(peer->wcsname == NULL) | |
1661 | { | |
2bf4942d | 1662 | peer->close = 1; |
9a2d6cb8 | 1663 | return; |
1664 | } | |
1665 | sendmynick(peer); | |
1666 | sendpeerlock(peer); | |
1667 | if(peer->extended) | |
1668 | sendsupports(peer); | |
1669 | if((transfer = finddownload(peer->wcsname)) == NULL) | |
1670 | { | |
01663fd9 | 1671 | if(confgetint("transfer", "ulquota") && hasupload(&dcnet, peer->wcsname)) |
1672 | { | |
2bf4942d | 1673 | peer->close = 1; |
01663fd9 | 1674 | return; |
1675 | } | |
9a2d6cb8 | 1676 | peer->direction = TRNSD_UP; |
1677 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); | |
1678 | } else { | |
1679 | peer->direction = TRNSD_DOWN; | |
1680 | transferattach(transfer, &dctransfer, peer); | |
1681 | transfersetstate(transfer, TRNS_HS); | |
1682 | } | |
1683 | transfersetnick(transfer, peer->wcsname); | |
1684 | peer->transfer = transfer; | |
1685 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); | |
1686 | qstrf(sk, "$Key %s|", key); | |
62da2712 | 1687 | free(key); |
9a2d6cb8 | 1688 | } else { |
1689 | if(peer->key != NULL) | |
1690 | free(peer->key); | |
1691 | peer->key = key; | |
1692 | } | |
d3372da9 | 1693 | } |
1694 | ||
1695 | static void cmd_key(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1696 | { | |
9a2d6cb8 | 1697 | /* NOP */ |
1698 | } | |
1699 | ||
1700 | static void startdl(struct dcpeer *peer) | |
1701 | { | |
1e9d82b1 | 1702 | if(peer->timeout != NULL) |
1703 | canceltimer(peer->timeout); | |
9a2d6cb8 | 1704 | peer->state = PEER_TRNS; |
1705 | transferstartdl(peer->transfer, peer->sk); | |
cab0b442 | 1706 | peer->sk->readcb = (void (*)(struct socket *, void *))transread; |
1707 | peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr; | |
9a2d6cb8 | 1708 | } |
1709 | ||
1710 | static void startul(struct dcpeer *peer) | |
1711 | { | |
1e9d82b1 | 1712 | if(peer->timeout != NULL) |
1713 | canceltimer(peer->timeout); | |
9a2d6cb8 | 1714 | peer->state = PEER_TRNS; |
1715 | transferstartul(peer->transfer, peer->sk); | |
cab0b442 | 1716 | peer->sk->writecb = (void (*)(struct socket *, void *))transwrite; |
d3372da9 | 1717 | } |
1718 | ||
1719 | static void cmd_filelength(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1720 | { | |
dcf7a1a2 | 1721 | off_t size; |
1fc81821 | 1722 | struct transfer *transfer; |
d3372da9 | 1723 | |
1724 | if(peer->transfer == NULL) | |
1725 | { | |
2bf4942d | 1726 | peer->close = 1; |
d3372da9 | 1727 | return; |
1728 | } | |
dcf7a1a2 | 1729 | size = strtoll(args, NULL, 10); |
9a2d6cb8 | 1730 | if(peer->transfer->size != size) |
d3372da9 | 1731 | { |
d3372da9 | 1732 | transfersetsize(peer->transfer, size); |
1fc81821 | 1733 | transfer = peer->transfer; |
2bf4942d FT |
1734 | peer->close = 1; |
1735 | resettransfer(transfer); | |
1fc81821 | 1736 | trytransferbypeer(transfer->fnet, transfer->peerid); |
d3372da9 | 1737 | return; |
1738 | } | |
9a2d6cb8 | 1739 | startdl(peer); |
1740 | qstr(peer->sk, "$Send|"); | |
d3372da9 | 1741 | } |
1742 | ||
1743 | static void cmd_error(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1744 | { | |
df873cd0 | 1745 | if(peer->fetchingtthl) |
1746 | { | |
1747 | peer->fetchingtthl = 0; | |
1748 | peer->notthl = 1; | |
1749 | requestfile(peer); | |
1750 | return; | |
1751 | } | |
d3372da9 | 1752 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1753 | { | |
1754 | transferseterror(peer->transfer, TRNSE_NOTFOUND); | |
1755 | resettransfer(peer->transfer); | |
1756 | return; | |
1757 | } | |
2bf4942d | 1758 | peer->close = 1; |
d3372da9 | 1759 | } |
1760 | ||
1761 | static void cmd_maxedout(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1762 | { | |
1763 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) | |
1764 | { | |
1765 | transferseterror(peer->transfer, TRNSE_NOSLOTS); | |
1766 | resettransfer(peer->transfer); | |
1767 | return; | |
1768 | } | |
2bf4942d | 1769 | peer->close = 1; |
d3372da9 | 1770 | } |
1771 | ||
1772 | static struct | |
1773 | { | |
1774 | char *name; | |
1775 | char **file; | |
1776 | void (*func)(void); | |
1777 | } lists[] = | |
1778 | { | |
1779 | {"MyList.DcLst", &hmlistname, updatehmlist}, | |
1780 | {"files.xml", &xmllistname, updatexmllist}, | |
1781 | {"files.xml.bz2", &xmlbz2listname, updatexmlbz2list}, | |
1782 | {NULL, NULL} | |
1783 | }; | |
1784 | ||
1785 | static int openfilelist(char *name) | |
1786 | { | |
1787 | int i, fd; | |
1788 | int errnobak; | |
1789 | ||
1790 | for(i = 0; lists[i].name != NULL; i++) | |
1791 | { | |
1792 | if(!strcmp(name, lists[i].name)) | |
1793 | break; | |
1794 | } | |
1795 | errno = 0; | |
1796 | if(lists[i].name == NULL) | |
1797 | return(-1); | |
1798 | fd = -1; | |
1799 | if((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0)) | |
1800 | lists[i].func(); | |
1801 | if((fd < 0) && ((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0))) | |
1802 | { | |
1803 | errnobak = errno; | |
1804 | flog(LOG_ERR, "could not open filelist tempfile: %s", strerror(errno)); | |
1805 | errno = errnobak; | |
1806 | return(-1); | |
1807 | } | |
1808 | return(fd); | |
1809 | } | |
1810 | ||
1811 | static struct sharecache *findbytth(char *tth32) | |
1812 | { | |
1813 | char *buf; | |
1814 | size_t buflen; | |
1815 | struct sharecache *node; | |
1816 | ||
1817 | if((buf = base32decode(tth32, &buflen)) == NULL) | |
1818 | return(NULL); | |
1819 | if(buflen != 24) | |
1820 | { | |
1821 | free(buf); | |
1822 | return(NULL); | |
1823 | } | |
1824 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) | |
1825 | { | |
1826 | if(node->f.b.hastth && !memcmp(node->hashtth, buf, 24)) | |
1827 | break; | |
1828 | } | |
1829 | free(buf); | |
1830 | return(node); | |
1831 | } | |
1832 | ||
1833 | static struct sharecache *resdcpath(char *path, char *charset, char sep) | |
1834 | { | |
1835 | struct sharecache *node; | |
1836 | char *p, *p2; | |
1837 | ||
1838 | node = shareroot; | |
1839 | p = path; | |
1840 | while(p != NULL) | |
1841 | { | |
1842 | if((p2 = strchr(p, sep)) != NULL) | |
1843 | *(p2++) = 0; | |
1844 | if((node = findcache(node, icsmbstowcs(p, charset, L""))) == NULL) | |
1845 | return(NULL); | |
1846 | p = p2; | |
1847 | } | |
1848 | return(node); | |
1849 | } | |
1850 | ||
1851 | static void cmd_get(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1852 | { | |
dcf7a1a2 | 1853 | off_t offset; |
d3372da9 | 1854 | char *p, *buf; |
1855 | wchar_t *buf2; | |
1856 | struct sharecache *node; | |
1857 | struct socket *lesk; | |
1858 | int fd; | |
1859 | struct stat sb; | |
1860 | ||
1861 | if(peer->transfer == NULL) | |
1862 | { | |
2bf4942d | 1863 | peer->close = 1; |
d3372da9 | 1864 | return; |
1865 | } | |
1866 | if((p = strchr(args, '$')) == NULL) | |
1867 | { | |
2bf4942d | 1868 | peer->close = 1; |
d3372da9 | 1869 | return; |
1870 | } | |
1871 | *(p++) = 0; | |
dcf7a1a2 | 1872 | if((offset = (strtoll(p, NULL, 10) - 1)) < 0) |
d3372da9 | 1873 | { |
2bf4942d | 1874 | peer->close = 1; |
d3372da9 | 1875 | return; |
1876 | } | |
1877 | if(((fd = openfilelist(args)) < 0) && (errno != 0)) | |
1878 | { | |
1879 | qstr(sk, "$Error Could not send file list|"); | |
2bf4942d | 1880 | peer->close = 1; |
d3372da9 | 1881 | return; |
1882 | } else if(fd >= 0) { | |
040118de | 1883 | if((buf2 = nmdc2path(args, DCCHARSET)) != NULL) { |
d3372da9 | 1884 | transfersetpath(peer->transfer, buf2); |
040118de FT |
1885 | free(buf2); |
1886 | } | |
f00d7432 | 1887 | peer->transfer->flags.b.minislot = 1; |
d3372da9 | 1888 | } |
1889 | if(fd < 0) | |
1890 | { | |
1d85f24b | 1891 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 | 1892 | if((node = resdcpath(args, DCCHARSET, '\\')) == NULL) |
1893 | { | |
1894 | qstrf(sk, "$Error File not in share|"); | |
2bf4942d | 1895 | peer->close = 1; |
d3372da9 | 1896 | return; |
1897 | } | |
1898 | if((fd = opensharecache(node)) < 0) | |
1899 | { | |
1900 | qstrf(sk, "$Error %s|", strerror(errno)); | |
2bf4942d | 1901 | peer->close = 1; |
d3372da9 | 1902 | return; |
1903 | } | |
1904 | buf = getfspath(node); | |
1905 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) | |
1906 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); | |
1907 | else | |
1908 | transfersetpath(peer->transfer, buf2); | |
1909 | free(buf); | |
1910 | } | |
1911 | if(fstat(fd, &sb) < 0) | |
1912 | { | |
1913 | close(fd); | |
1914 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); | |
1915 | qstrf(sk, "$Error|"); | |
2bf4942d | 1916 | peer->close = 1; |
d3372da9 | 1917 | return; |
1918 | } | |
f00d7432 | 1919 | if(sb.st_size < 65536) |
1920 | peer->transfer->flags.b.minislot = 1; | |
1921 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { | |
565006d1 | 1922 | close(fd); |
f00d7432 | 1923 | qstr(sk, "$MaxedOut|"); |
2bf4942d | 1924 | peer->close = 1; |
f00d7432 | 1925 | return; |
1926 | } | |
d3372da9 | 1927 | if((offset != 0) && (lseek(fd, offset, SEEK_SET) < 0)) |
1928 | { | |
1929 | close(fd); | |
1930 | qstrf(sk, "$Error Offset out of range|"); | |
2bf4942d | 1931 | peer->close = 1; |
d3372da9 | 1932 | return; |
1933 | } | |
1934 | lesk = wrapsock(fd); | |
1935 | transferprepul(peer->transfer, sb.st_size, offset, -1, lesk); | |
1936 | putsock(lesk); | |
dcf7a1a2 | 1937 | qstrf(sk, "$FileLength %ji|", (intmax_t)peer->transfer->size); |
d3372da9 | 1938 | } |
1939 | ||
1940 | static void cmd_send(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1941 | { | |
1942 | if(peer->transfer == NULL) | |
1943 | { | |
2bf4942d | 1944 | peer->close = 1; |
d3372da9 | 1945 | return; |
1946 | } | |
1947 | if(peer->transfer->localend == NULL) | |
1948 | { | |
2bf4942d | 1949 | peer->close = 1; |
d3372da9 | 1950 | return; |
1951 | } | |
1952 | peer->ptclose = 1; | |
9a2d6cb8 | 1953 | startul(peer); |
d3372da9 | 1954 | } |
1955 | ||
1956 | static void cmd_supports(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1957 | { | |
1958 | int i; | |
1959 | char *p, *p2; | |
1960 | char **arr; | |
1961 | size_t arrsize, arrdata; | |
1962 | ||
1963 | if(peer->supports != NULL) | |
1964 | { | |
1965 | for(i = 0; peer->supports[i] != NULL; i++) | |
1966 | free(peer->supports[i]); | |
1967 | free(peer->supports); | |
1968 | } | |
1969 | arr = NULL; | |
1970 | arrsize = arrdata = 0; | |
1971 | p = args; | |
1972 | do | |
1973 | { | |
1974 | if((p2 = strchr(p, ' ')) != NULL) | |
1975 | *(p2++) = 0; | |
1976 | if(*p == 0) | |
1977 | continue; | |
1978 | addtobuf(arr, sstrdup(p)); | |
1979 | } while((p = p2) != NULL); | |
1980 | addtobuf(arr, NULL); | |
1981 | peer->supports = arr; | |
d3372da9 | 1982 | } |
1983 | ||
1984 | static void cmd_getblock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1985 | { | |
1986 | int fd; | |
1987 | char *p, *p2; | |
dcf7a1a2 | 1988 | off_t start, numbytes; |
d3372da9 | 1989 | char *charset, *buf; |
1990 | wchar_t *buf2; | |
1991 | struct sharecache *node; | |
1992 | struct stat sb; | |
1993 | struct socket *lesk; | |
1994 | ||
1995 | if(peer->transfer == NULL) | |
1996 | { | |
2bf4942d | 1997 | peer->close = 1; |
d3372da9 | 1998 | return; |
1999 | } | |
2000 | p = args; | |
2001 | if((p2 = strchr(p, ' ')) == NULL) | |
2002 | { | |
2bf4942d | 2003 | peer->close = 1; |
d3372da9 | 2004 | return; |
2005 | } | |
2006 | *(p2++) = 0; | |
dcf7a1a2 | 2007 | start = strtoll(p, NULL, 10); |
d3372da9 | 2008 | p = p2; |
2009 | if((p2 = strchr(p, ' ')) == NULL) | |
2010 | { | |
2bf4942d | 2011 | peer->close = 1; |
d3372da9 | 2012 | return; |
2013 | } | |
2014 | *(p2++) = 0; | |
dcf7a1a2 | 2015 | numbytes = strtoll(p, NULL, 10); |
d3372da9 | 2016 | p = p2; |
2017 | if(!strcmp(cmd, "$UGetBlock") || !strcmp(cmd, "$UGetZBlock")) | |
2018 | charset = "UTF-8"; | |
2019 | else | |
1d85f24b | 2020 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 | 2021 | charset = DCCHARSET; |
2022 | if(!strcmp(cmd, "$GetZBlock") || !strcmp(cmd, "$UGetZBlock")) | |
2023 | initcompress(peer, CPRS_ZLIB); | |
2024 | if(((fd = openfilelist(p)) < 0) && (errno != 0)) | |
2025 | { | |
2026 | qstr(sk, "$Error Could not send file list|"); | |
2027 | return; | |
2028 | } else if(fd >= 0) { | |
040118de | 2029 | if((buf2 = nmdc2path(args, charset)) != NULL) { |
d3372da9 | 2030 | transfersetpath(peer->transfer, buf2); |
040118de FT |
2031 | free(buf2); |
2032 | } | |
f00d7432 | 2033 | peer->transfer->flags.b.minislot = 1; |
d3372da9 | 2034 | } |
2035 | if(fd < 0) | |
2036 | { | |
d3372da9 | 2037 | if((node = resdcpath(p, charset, '\\')) == NULL) |
2038 | { | |
2039 | qstr(sk, "$Error File not in cache|"); | |
2040 | return; | |
2041 | } | |
2042 | if((fd = opensharecache(node)) < 0) | |
2043 | { | |
2044 | qstrf(sk, "$Error %s|", strerror(errno)); | |
2045 | return; | |
2046 | } | |
2047 | buf = getfspath(node); | |
2048 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) | |
2049 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); | |
2050 | else | |
2051 | transfersetpath(peer->transfer, buf2); | |
2052 | free(buf); | |
2053 | } | |
2054 | if(fstat(fd, &sb) < 0) | |
2055 | { | |
2056 | close(fd); | |
2057 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); | |
2058 | qstr(sk, "$Error|"); | |
2059 | return; | |
2060 | } | |
f00d7432 | 2061 | if(sb.st_size < 65536) |
2062 | peer->transfer->flags.b.minislot = 1; | |
2063 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { | |
565006d1 | 2064 | close(fd); |
f00d7432 | 2065 | qstr(sk, "$MaxedOut|"); |
2066 | return; | |
2067 | } | |
d3372da9 | 2068 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2069 | { | |
2070 | close(fd); | |
2071 | qstr(sk, "$Error Offset out of range|"); | |
2072 | return; | |
2073 | } | |
2074 | if((numbytes < 0) || (start + numbytes > sb.st_size)) | |
2075 | numbytes = sb.st_size - start; | |
2076 | lesk = wrapsock(fd); | |
2077 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); | |
2078 | putsock(lesk); | |
dcf7a1a2 | 2079 | qstrf(sk, "$Sending %ji|", (intmax_t)numbytes); |
9a2d6cb8 | 2080 | startul(peer); |
d3372da9 | 2081 | } |
2082 | ||
2083 | static void cmd_adcget(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2084 | { | |
2085 | int i; | |
2086 | char **argv, *buf; | |
dcf7a1a2 | 2087 | off_t start, numbytes; |
d3372da9 | 2088 | struct sharecache *node; |
2089 | struct stat sb; | |
2090 | struct socket *lesk; | |
2091 | wchar_t *wbuf; | |
2092 | int fd; | |
2093 | ||
2094 | if(peer->transfer == NULL) | |
2095 | { | |
2bf4942d | 2096 | peer->close = 1; |
d3372da9 | 2097 | return; |
2098 | } | |
2099 | if((argv = parseadc(args)) == NULL) | |
2100 | { | |
2bf4942d | 2101 | peer->close = 1; |
d3372da9 | 2102 | return; |
2103 | } | |
2104 | if(parrlen(argv) < 4) | |
2105 | { | |
2bf4942d | 2106 | peer->close = 1; |
d3372da9 | 2107 | goto out; |
2108 | } | |
dcf7a1a2 FT |
2109 | start = strtoll(argv[2], NULL, 10); |
2110 | numbytes = strtoll(argv[3], NULL, 10); | |
d3372da9 | 2111 | node = NULL; |
2112 | fd = -1; | |
2113 | if(((fd = openfilelist(argv[1])) < 0) && (errno != 0)) | |
2114 | { | |
2115 | qstr(sk, "$Error Could not send file list|"); | |
2116 | goto out; | |
2117 | } else if(fd >= 0) { | |
040118de | 2118 | if((wbuf = adc2path(argv[1])) != NULL) |
d3372da9 | 2119 | transfersetpath(peer->transfer, wbuf); |
f00d7432 | 2120 | peer->transfer->flags.b.minislot = 1; |
d3372da9 | 2121 | } |
2122 | if(fd < 0) | |
2123 | { | |
d3372da9 | 2124 | if(!strncmp(argv[1], "TTH/", 4)) |
2125 | { | |
2126 | if((node = findbytth(argv[1] + 4)) == NULL) | |
2127 | { | |
2128 | qstr(sk, "$Error File not in cache|"); | |
2129 | goto out; | |
2130 | } | |
2131 | } else { | |
9a2d6cb8 | 2132 | if((node = resdcpath((argv[1][0] == '/')?(argv[1] + 1):(argv[1]), "UTF-8", '/')) == NULL) |
d3372da9 | 2133 | { |
2134 | qstr(sk, "$Error File not in cache|"); | |
2135 | goto out; | |
2136 | } | |
2137 | } | |
2138 | if((fd = opensharecache(node)) < 0) | |
2139 | { | |
2140 | qstrf(sk, "$Error %s|", strerror(errno)); | |
2141 | goto out; | |
2142 | } | |
2143 | buf = getfspath(node); | |
2144 | if((wbuf = icsmbstowcs(buf, NULL, NULL)) == NULL) | |
2145 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); | |
2146 | else | |
2147 | transfersetpath(peer->transfer, wbuf); | |
2148 | free(buf); | |
2149 | } | |
2150 | if(!strcmp(argv[0], "file")) | |
2151 | { | |
2152 | for(i = 4; argv[i] != NULL; i++) | |
2153 | { | |
2154 | if(!strcmp(argv[i], "ZL1")) | |
2155 | initcompress(peer, CPRS_ZLIB); | |
2156 | } | |
2157 | if(fstat(fd, &sb) < 0) | |
2158 | { | |
2159 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); | |
2160 | qstr(sk, "$Error|"); | |
2161 | goto out; | |
2162 | } | |
f00d7432 | 2163 | if(sb.st_size < 65536) |
2164 | peer->transfer->flags.b.minislot = 1; | |
2165 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { | |
2166 | qstr(sk, "$MaxedOut|"); | |
2167 | goto out; | |
2168 | } | |
d3372da9 | 2169 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2170 | { | |
2171 | qstr(sk, "$Error Offset out of range|"); | |
2172 | goto out; | |
2173 | } | |
2174 | if((numbytes < 0) || (start + numbytes > sb.st_size)) | |
2175 | numbytes = sb.st_size - start; | |
2176 | lesk = wrapsock(fd); | |
2177 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); | |
2178 | putsock(lesk); | |
2179 | fd = -1; | |
2180 | qstr(sk, "$ADCSND"); | |
2181 | sendadc(sk, "file"); | |
2182 | sendadc(sk, argv[1]); | |
dcf7a1a2 FT |
2183 | sendadcf(sk, "%ji", (intmax_t)start); |
2184 | sendadcf(sk, "%ji", (intmax_t)numbytes); | |
d3372da9 | 2185 | if(peer->compress == CPRS_ZLIB) |
2186 | sendadc(sk, "ZL1"); | |
2187 | qstr(sk, "|"); | |
9a2d6cb8 | 2188 | startul(peer); |
d3372da9 | 2189 | } else if(!strcmp(argv[0], "tthl")) { |
2190 | /* | |
2191 | * XXX: Implement full TTHL support. | |
2192 | * | |
2193 | * In the meantime, this is better than nothing, since it at | |
2194 | * least allows fetching of the TTH root if it isn't already | |
2195 | * known. | |
2196 | */ | |
2197 | if(node == NULL) | |
2198 | { | |
2199 | qstr(sk, "$Error no TTHL data for virtual files|"); | |
2200 | goto out; | |
2201 | } | |
2202 | qstr(sk, "$ADCSND"); | |
2203 | sendadc(sk, "tthl"); | |
2204 | sendadc(sk, argv[1]); | |
2205 | sendadc(sk, "0"); | |
2206 | sendadc(sk, "24"); | |
2207 | qstr(sk, "|"); | |
2208 | sockqueue(sk, node->hashtth, 24); | |
2209 | } else { | |
2210 | qstr(sk, "$Error Namespace not implemented|"); | |
2211 | goto out; | |
2212 | } | |
d3372da9 | 2213 | |
2214 | out: | |
2215 | if(fd >= 0) | |
2216 | close(fd); | |
2217 | freeparr(argv); | |
2218 | } | |
2219 | ||
9a2d6cb8 | 2220 | static void handletthl(struct dcpeer *peer) |
2221 | { | |
2222 | char buf[24]; | |
2223 | ||
2224 | while(peer->inbufdata >= 24) | |
2225 | { | |
2226 | pushtigertree(&peer->tth, peer->inbuf); | |
2227 | memmove(peer->inbuf, peer->inbuf + 24, peer->inbufdata -= 24); | |
e52006fe | 2228 | peer->curread += 24; |
9a2d6cb8 | 2229 | } |
e52006fe | 2230 | if(peer->curread >= peer->totalsize) |
9a2d6cb8 | 2231 | { |
1e9d82b1 | 2232 | if(peer->timeout == NULL) |
2233 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); | |
9a2d6cb8 | 2234 | peer->state = PEER_CMD; |
2235 | synctigertree(&peer->tth); | |
2236 | restigertree(&peer->tth, buf); | |
2237 | transfersethash(peer->transfer, newhash(L"TTH", 24, buf)); | |
2238 | requestfile(peer); | |
2239 | } | |
2240 | } | |
2241 | ||
2242 | static void cmd_adcsnd(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2243 | { | |
2244 | char **argv; | |
dcf7a1a2 | 2245 | off_t start, numbytes; |
9a2d6cb8 | 2246 | |
2247 | if(peer->transfer == NULL) | |
2248 | { | |
2bf4942d | 2249 | peer->close = 1; |
9a2d6cb8 | 2250 | return; |
2251 | } | |
2252 | if((argv = parseadc(args)) == NULL) | |
2253 | { | |
2bf4942d | 2254 | peer->close = 1; |
9a2d6cb8 | 2255 | return; |
2256 | } | |
2257 | if(parrlen(argv) < 4) | |
2258 | { | |
2bf4942d | 2259 | peer->close = 1; |
9a2d6cb8 | 2260 | goto out; |
2261 | } | |
dcf7a1a2 FT |
2262 | start = strtoll(argv[2], NULL, 10); |
2263 | numbytes = strtoll(argv[3], NULL, 10); | |
9a2d6cb8 | 2264 | if(!strcmp(argv[0], "tthl")) |
2265 | { | |
2266 | if((start != 0) || (numbytes % 24 != 0)) | |
2267 | { | |
2268 | /* Weird. Bail out. */ | |
2bf4942d | 2269 | peer->close = 1; |
9a2d6cb8 | 2270 | goto out; |
2271 | } | |
1e9d82b1 | 2272 | if(peer->timeout != NULL) |
2273 | canceltimer(peer->timeout); | |
9a2d6cb8 | 2274 | peer->state = PEER_TTHL; |
2275 | peer->totalsize = numbytes; | |
2276 | peer->curread = 0; | |
df873cd0 | 2277 | peer->fetchingtthl = 0; |
9a2d6cb8 | 2278 | inittigertree(&peer->tth); |
2279 | handletthl(peer); | |
2280 | } else if(!strcmp(argv[0], "file")) { | |
2281 | if(start != peer->transfer->curpos) | |
2282 | { | |
2bf4942d | 2283 | peer->close = 1; |
9a2d6cb8 | 2284 | goto out; |
2285 | } | |
2286 | if(start + numbytes != peer->transfer->size) | |
2287 | { | |
2288 | transfersetsize(peer->transfer, start + numbytes); | |
2bf4942d | 2289 | peer->close = 1; |
9a2d6cb8 | 2290 | goto out; |
2291 | } | |
2292 | startdl(peer); | |
cab0b442 | 2293 | if(peer->inbufdata > 0) |
2294 | { | |
2295 | sockpushdata(sk, peer->inbuf, peer->inbufdata); | |
2296 | peer->inbufdata = 0; | |
cab0b442 | 2297 | } |
9a2d6cb8 | 2298 | } else { |
2299 | /* We certainly didn't request this...*/ | |
2bf4942d | 2300 | peer->close = 1; |
9a2d6cb8 | 2301 | goto out; |
2302 | } | |
2303 | ||
2304 | out: | |
2305 | freeparr(argv); | |
2306 | } | |
2307 | ||
2308 | static void cmd_sending(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2309 | { | |
dcf7a1a2 | 2310 | off_t numbytes; |
9a2d6cb8 | 2311 | |
2312 | if(peer->transfer == NULL) | |
2313 | { | |
2bf4942d | 2314 | peer->close = 1; |
9a2d6cb8 | 2315 | return; |
2316 | } | |
dcf7a1a2 | 2317 | numbytes = strtoll(args, NULL, 10); |
9a2d6cb8 | 2318 | if(peer->transfer->size - peer->transfer->curpos != numbytes) |
2319 | { | |
2320 | transfersetsize(peer->transfer, peer->transfer->curpos + numbytes); | |
2bf4942d | 2321 | peer->close = 1; |
9a2d6cb8 | 2322 | return; |
2323 | } | |
2324 | startdl(peer); | |
cab0b442 | 2325 | if(peer->inbufdata > 0) |
2326 | { | |
2327 | sockpushdata(sk, peer->inbuf, peer->inbufdata); | |
2328 | peer->inbufdata = 0; | |
cab0b442 | 2329 | } |
9a2d6cb8 | 2330 | } |
2331 | ||
d3372da9 | 2332 | /* |
2333 | Hub skeleton: | |
2334 | static void cmd_(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
2335 | { | |
2336 | struct dchub *hub; | |
2337 | ||
2338 | hub = fn->data; | |
2339 | hubhandleaction(sk, fn, cmd, args); | |
2340 | } | |
2341 | ||
2342 | Peer skeleton: | |
2343 | static void cmd_(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2344 | { | |
d3372da9 | 2345 | } |
2346 | ||
2347 | */ | |
2348 | ||
2349 | static int hubreqconn(struct fnetpeer *peer) | |
2350 | { | |
2351 | struct dchub *hub; | |
2352 | char *mbsnick; | |
2353 | ||
2354 | if((peer->fn->state != FNN_EST) || (peer->fn->fnet != &dcnet)) | |
2355 | { | |
2356 | errno = EINVAL; | |
2357 | return(1); | |
2358 | } | |
2359 | if((hub = peer->fn->data) == NULL) | |
2360 | { | |
2361 | errno = EFAULT; | |
2362 | return(1); | |
2363 | } | |
1d85f24b | 2364 | if((mbsnick = icwcstombs(peer->id, hub->charset)) == NULL) |
d3372da9 | 2365 | return(1); /* Shouldn't happen, of course, but who knows... */ |
2366 | if(tcpsock != NULL) | |
2367 | { | |
ffa81d5f | 2368 | sendctm(hub->sk, mbsnick); |
d3372da9 | 2369 | expectpeer(mbsnick, peer->fn); |
2370 | } else { | |
ffa81d5f | 2371 | qstrf(hub->sk, "$RevConnectToMe %s %s|", hub->nativenick, mbsnick); |
d3372da9 | 2372 | } |
2373 | free(mbsnick); | |
2374 | return(0); | |
2375 | } | |
2376 | ||
2377 | static int hubsendchat(struct fnetnode *fn, int public, wchar_t *to, wchar_t *string) | |
2378 | { | |
2379 | struct dchub *hub; | |
2380 | char *mbsstring, *mbsto; | |
2381 | ||
2382 | hub = fn->data; | |
1d85f24b | 2383 | if((mbsto = icwcstombs(to, hub->charset)) == NULL) |
d3372da9 | 2384 | { |
2385 | errno = EILSEQ; | |
2386 | return(1); | |
2387 | } | |
1d85f24b | 2388 | if((mbsstring = icwcstombs(string, hub->charset)) == NULL) |
d3372da9 | 2389 | { |
2390 | errno = EILSEQ; | |
2391 | return(1); | |
2392 | } | |
2393 | if((strchr(mbsto, '|') != NULL) || (strchr(mbsto, ' ') != NULL)) | |
2394 | { | |
2395 | free(mbsto); | |
2396 | free(mbsstring); | |
2397 | errno = ESRCH; | |
2398 | return(1); | |
2399 | } | |
2400 | if(strchr(mbsstring, '|') != NULL) | |
2401 | { | |
2402 | free(mbsto); | |
2403 | free(mbsstring); | |
2404 | errno = EILSEQ; | |
2405 | return(1); | |
2406 | } | |
2407 | if(public) | |
2408 | { | |
2409 | if(*to == L'\0') | |
2410 | { | |
ffa81d5f | 2411 | qstrf(hub->sk, "<%s> %s|", hub->nativenick, mbsstring); |
d3372da9 | 2412 | } else { |
ffa81d5f | 2413 | qstrf(hub->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
d3372da9 | 2414 | } |
2415 | } else { | |
ffa81d5f | 2416 | qstrf(hub->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
d3372da9 | 2417 | } |
2418 | free(mbsto); | |
2419 | free(mbsstring); | |
2420 | return(0); | |
2421 | } | |
2422 | ||
2423 | static void findsizelimit(struct sexpr *sexpr, int *min, int *max) | |
2424 | { | |
2425 | int minl, maxl, minr, maxr, retmin, retmax; | |
2426 | ||
2427 | switch(sexpr->op) | |
2428 | { | |
2429 | case SOP_AND: | |
2430 | findsizelimit(sexpr->l, &minl, &maxl); | |
2431 | findsizelimit(sexpr->r, &minr, &maxr); | |
2432 | retmin = (minl > minr)?minl:minr; | |
2433 | if((maxl != -1) && (maxr != -1)) | |
2434 | retmax = (maxl < maxr)?maxl:maxr; | |
2435 | else if(maxl != -1) | |
2436 | retmax = maxl; | |
2437 | else if(maxr != -1) | |
2438 | retmax = maxr; | |
2439 | else | |
2440 | retmax = -1; | |
2441 | break; | |
2442 | case SOP_OR: | |
2443 | findsizelimit(sexpr->l, &minl, &maxl); | |
2444 | findsizelimit(sexpr->r, &minr, &maxr); | |
2445 | retmin = (minl < minr)?minl:minr; | |
2446 | if((maxl == -1) || (maxr == -1)) | |
2447 | retmax = -1; | |
2448 | else | |
2449 | retmax = (maxl > maxr)?maxl:maxr; | |
2450 | break; | |
2451 | case SOP_NOT: | |
2452 | findsizelimit(sexpr->l, &minl, &maxl); | |
2453 | if((minl == 0) && (maxl == -1)) /* Interval is unspecified */ | |
2454 | { | |
2455 | retmin = 0; | |
2456 | retmax = -1; | |
2457 | } else if((minl == 0) && (maxl != -1)) { | |
2458 | retmin = maxl + 1; | |
2459 | retmax = -1; | |
2460 | } else if((minl != 0) && (maxl == -1)) { | |
2461 | retmin = 0; | |
2462 | retmax = minl - 1; | |
2463 | } else { /* This would yield two seperate intervals, which DC cannot handle */ | |
2464 | retmin = 0; | |
2465 | retmax = -1; | |
2466 | } | |
2467 | case SOP_SIZELT: | |
2468 | retmin = 0; | |
2469 | retmax = sexpr->d.n - 1; | |
2470 | break; | |
2471 | case SOP_SIZEEQ: | |
2472 | retmin = sexpr->d.n; | |
2473 | retmax = sexpr->d.n; | |
2474 | break; | |
2475 | case SOP_SIZEGT: | |
2476 | retmin = sexpr->d.n + 1; | |
2477 | retmax = -1; | |
2478 | break; | |
2479 | default: | |
2480 | retmin = 0; | |
2481 | retmax = -1; | |
2482 | break; | |
2483 | } | |
2484 | if(min != NULL) | |
2485 | *min = retmin; | |
2486 | if(max != NULL) | |
2487 | *max = retmax; | |
2488 | } | |
2489 | ||
9d8cf743 | 2490 | static struct hash *findsehash(struct sexpr *sexpr) |
2491 | { | |
2492 | struct hash *h1, *h2; | |
2493 | ||
2494 | switch(sexpr->op) | |
2495 | { | |
2496 | case SOP_AND: | |
2497 | if((h1 = findsehash(sexpr->l)) != NULL) | |
2498 | return(h1); | |
2499 | if((h1 = findsehash(sexpr->r)) != NULL) | |
2500 | return(h1); | |
2501 | break; | |
2502 | case SOP_OR: | |
175c86de | 2503 | if((h1 = findsehash(sexpr->l)) == NULL) |
2504 | return(NULL); | |
2505 | if((h2 = findsehash(sexpr->r)) == NULL) | |
2506 | return(NULL); | |
9d8cf743 | 2507 | if(hashcmp(h1, h2)) |
2508 | return(h1); | |
2509 | break; | |
2510 | case SOP_HASHIS: | |
2511 | if(!wcscmp(sexpr->d.hash->algo, L"TTH")) | |
2512 | return(sexpr->d.hash); | |
2513 | default: | |
2514 | break; | |
2515 | } | |
2516 | return(NULL); | |
2517 | } | |
2518 | ||
d3372da9 | 2519 | static int hubsearch(struct fnetnode *fn, struct search *srch, struct srchfnnlist *ln) |
2520 | { | |
2521 | struct dchub *hub; | |
2522 | struct wcslist *list, *cur; | |
2523 | char *sstr, *buf, *p; | |
2524 | size_t sstrsize, sstrdata; | |
2525 | struct sockaddr *name; | |
2526 | socklen_t namelen; | |
2527 | int minsize, maxsize; | |
9d8cf743 | 2528 | struct hash *hash; |
d3372da9 | 2529 | |
2530 | hub = fn->data; | |
ffa81d5f | 2531 | if((fn->state != FNN_EST) || (hub->sk == NULL) || (hub->sk->state != SOCK_EST)) |
d3372da9 | 2532 | return(1); |
2533 | list = findsexprstrs(srch->sexpr); | |
2534 | findsizelimit(srch->sexpr, &minsize, &maxsize); | |
9d8cf743 | 2535 | hash = findsehash(srch->sexpr); |
d3372da9 | 2536 | if((minsize != 0) && (maxsize != -1)) |
2537 | { | |
2538 | /* Choose either minsize or maxsize by trying to determine | |
2539 | * which choice will be most restrictive. The result can be | |
2540 | * approximative at best anyway, so don't try too hard... */ | |
2541 | if((50000000 - maxsize) > (minsize - 50000000)) | |
2542 | minsize = 0; | |
2543 | else | |
2544 | maxsize = -1; | |
2545 | } | |
d3372da9 | 2546 | sstr = NULL; |
2547 | sstrsize = sstrdata = 0; | |
9d8cf743 | 2548 | if((hash != NULL) && (hash->len == 24)) |
d3372da9 | 2549 | { |
9d8cf743 | 2550 | /* Prioritize hash searches above all else */ |
2551 | bufcat(sstr, "F?T?0?9?TTH:", 12); | |
2552 | buf = base32encode(hash->buf, hash->len); | |
2553 | ||
2554 | bufcat(sstr, buf, 39); | |
2555 | free(buf); | |
2556 | } else { | |
2557 | if(minsize != 0) | |
d3372da9 | 2558 | { |
9d8cf743 | 2559 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 | 2560 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?F?%i?1?", minsize); |
9d8cf743 | 2561 | } else if(maxsize != -1) { |
2562 | sizebuf2(sstr, sstrdata + 32, 1); | |
fe42d689 | 2563 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?T?%i?1?", maxsize); |
9d8cf743 | 2564 | } else { |
2565 | bufcat(sstr, "F?F?0?1?", 8); | |
2566 | } | |
2567 | if(list != NULL) | |
2568 | { | |
2569 | for(cur = list; cur != NULL; cur = cur->next) | |
d3372da9 | 2570 | { |
1d85f24b | 2571 | /* Use DCCHARSET in $Get paths until further researched... */ |
9d8cf743 | 2572 | if((buf = icwcstombs(cur->str, DCCHARSET)) == NULL) |
2573 | { | |
2574 | /* Can't find anything anyway if the search expression | |
2575 | * requires characters outside DC's charset. There's | |
2576 | * nothing technically wrong with the search itself, | |
2577 | * however, so return success. This should be | |
2578 | * considered as an optimization. */ | |
2579 | freesl(&list); | |
2580 | if(sstr != NULL) | |
2581 | free(sstr); | |
2582 | return(0); | |
2583 | } | |
2584 | if(cur != list) | |
2585 | addtobuf(sstr, '$'); | |
2586 | /* | |
2587 | * It probably doesn't hurt if buf contains any extra | |
2588 | * dollar signs - it will just result in extra search | |
2589 | * terms, and the extraneous results will be filtered by | |
2590 | * the search layer anyway. It hurts if it contains any | |
2591 | * pipes, though, so let's sell them for money. | |
2592 | */ | |
2593 | for(p = buf; *p; p++) | |
2594 | { | |
2595 | if(*p == '|') | |
2596 | *p = '$'; | |
2597 | } | |
2598 | bufcat(sstr, buf, strlen(buf)); | |
2599 | free(buf); | |
d3372da9 | 2600 | } |
9d8cf743 | 2601 | } else { |
2602 | /* Will match all files... :-/ */ | |
2603 | addtobuf(sstr, '.'); | |
d3372da9 | 2604 | } |
d3372da9 | 2605 | } |
2606 | addtobuf(sstr, 0); | |
2607 | if(tcpsock != NULL) | |
2608 | { | |
ffa81d5f | 2609 | if(sockgetremotename2(udpsock, hub->sk, &name, &namelen) < 0) |
d3372da9 | 2610 | { |
2611 | flog(LOG_WARNING, "cannot get address of UDP socket"); | |
2612 | } else { | |
ffa81d5f | 2613 | qstrf(hub->sk, "$Search %s %s|", formataddress(name, namelen), sstr); |
d3372da9 | 2614 | free(name); |
2615 | } | |
2616 | } else { | |
ffa81d5f | 2617 | qstrf(hub->sk, "$Search Hub:%s %s|", hub->nativenick, sstr); |
d3372da9 | 2618 | } |
2619 | free(sstr); | |
2620 | freesl(&list); | |
2621 | fn->lastsrch = time(NULL); | |
2622 | return(0); | |
2623 | } | |
2624 | ||
2625 | #undef skipcmd | |
2626 | #undef qstr | |
2627 | #undef qstrf | |
2628 | ||
2629 | #define cc(c) ((void (*)(struct socket *, void *, char *, char *))(c)) | |
8b930085 | 2630 | static struct command hubcmds[] = |
d3372da9 | 2631 | { |
2632 | {"$Lock", cc(cmd_lock)}, | |
2633 | {"$HubName", cc(cmd_hubname)}, | |
2634 | {"$Hello", cc(cmd_hello)}, | |
2635 | {"$Quit", cc(cmd_quit)}, | |
2636 | {"$NickList", cc(cmd_nicklist)}, | |
2637 | {"$OpList", cc(cmd_oplist)}, | |
2638 | {"$MyINFO", cc(cmd_myinfo)}, | |
2639 | {"$ForceMove", cc(cmd_forcemove)}, | |
8cb2d75b FT |
2640 | {"$Search", cc(cmd_search), .limit = 100}, |
2641 | {"$MultiSearch", cc(cmd_search), .limit = 50}, | |
2642 | {"$ConnectToMe", cc(cmd_connecttome), .limit = 200}, | |
2643 | {"$RevConnectToMe", cc(cmd_revconnecttome), .limit = 500}, | |
d3372da9 | 2644 | {"$GetNetInfo", cc(cmd_getnetinfo)}, |
2645 | {"$To:", cc(cmd_to)}, | |
2646 | {"$SR", cc(cmd_sr)}, | |
2647 | {"$UserCommand", cc(cmd_usercommand)}, | |
48509089 | 2648 | {"$GetPass", cc(cmd_getpass)}, |
c9b3ad74 | 2649 | {"$LogedIn", cc(cmd_logedin)}, /* sic */ |
08b74f8c | 2650 | {"$Supports", cc(cmd_hubsupports)}, |
d3372da9 | 2651 | {NULL, NULL} |
2652 | }; | |
2653 | ||
8b930085 | 2654 | static struct command peercmds[] = |
d3372da9 | 2655 | { |
2656 | {"$MyNick", cc(cmd_mynick)}, | |
2657 | {"$Lock", cc(cmd_peerlock)}, | |
2658 | {"$Direction", cc(cmd_direction)}, | |
2659 | {"$Key", cc(cmd_key)}, | |
2660 | {"$FileLength", cc(cmd_filelength)}, | |
2661 | {"$Error", cc(cmd_error)}, | |
2662 | {"$MaxedOut", cc(cmd_maxedout)}, | |
2663 | {"$Get", cc(cmd_get)}, | |
2664 | {"$Send", cc(cmd_send)}, | |
2665 | {"$Supports", cc(cmd_supports)}, | |
2666 | {"$GetBlock", cc(cmd_getblock)}, | |
2667 | {"$UGetBlock", cc(cmd_getblock)}, | |
2668 | {"$GetZBlock", cc(cmd_getblock)}, | |
2669 | {"$UGetZBlock", cc(cmd_getblock)}, | |
2670 | {"$ADCGET", cc(cmd_adcget)}, | |
8cb2d75b FT |
2671 | {"$ADCSND", cc(cmd_adcsnd), .stop = 1}, |
2672 | {"$Sending", cc(cmd_sending), .stop = 1}, | |
d3372da9 | 2673 | {NULL, NULL} |
2674 | }; | |
2675 | #undef cc | |
2676 | ||
2677 | static void dctransdetach(struct transfer *transfer, struct dcpeer *peer) | |
2678 | { | |
cab0b442 | 2679 | CBUNREG(transfer, trans_filterout, peer); |
d3372da9 | 2680 | peer->transfer = NULL; |
2bf4942d | 2681 | peer->close = 1; |
d3372da9 | 2682 | } |
2683 | ||
2684 | static void dctransgotdata(struct transfer *transfer, struct dcpeer *peer) | |
2685 | { | |
2686 | int ret; | |
2687 | void *buf; | |
c7185019 | 2688 | unsigned char outbuf[1024]; |
d3372da9 | 2689 | z_stream *cstr; |
2690 | size_t bufsize; | |
2691 | ||
2692 | if((peer->state == PEER_TRNS) || (peer->state == PEER_SYNC)) | |
2693 | { | |
2694 | if(sockqueuesize(peer->sk) < 65536) | |
2695 | { | |
2696 | if((buf = transfergetdata(transfer, &bufsize)) != NULL) | |
2697 | { | |
2698 | if(peer->compress == CPRS_NONE) | |
2699 | { | |
2700 | sockqueue(peer->sk, buf, bufsize); | |
2701 | } else if(peer->compress == CPRS_ZLIB) { | |
2702 | cstr = peer->cprsdata; | |
2703 | cstr->next_in = buf; | |
2704 | cstr->avail_in = bufsize; | |
2705 | while(cstr->avail_in > 0) | |
2706 | { | |
2707 | cstr->next_out = outbuf; | |
2708 | cstr->avail_out = sizeof(outbuf); | |
2709 | if((ret = deflate(cstr, 0)) != Z_OK) | |
2710 | { | |
2711 | flog(LOG_WARNING, "bug? deflate() did not return Z_OK (but rather %i)", ret); | |
2712 | freedcpeer(peer); | |
2713 | return; | |
2714 | } | |
2715 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); | |
2716 | } | |
2717 | } | |
2718 | free(buf); | |
2719 | } | |
2720 | if(peer->state == PEER_SYNC) | |
2721 | { | |
2722 | if(peer->compress == CPRS_ZLIB) | |
2723 | { | |
2724 | cstr = peer->cprsdata; | |
2725 | cstr->next_in = NULL; | |
2726 | cstr->avail_in = 0; | |
2727 | do | |
2728 | { | |
2729 | cstr->next_out = outbuf; | |
2730 | cstr->avail_out = sizeof(outbuf); | |
2731 | ret = deflate(cstr, Z_FINISH); | |
2732 | if((ret != Z_OK) && (ret != Z_STREAM_END)) | |
2733 | { | |
2734 | flog(LOG_WARNING, "bug? deflate(Z_FINISH) did not return Z_OK (but rather %i)", ret); | |
2735 | freedcpeer(peer); | |
2736 | return; | |
2737 | } | |
2738 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); | |
2739 | } while(ret != Z_STREAM_END); | |
2740 | } | |
2741 | if(peer->ptclose) | |
2742 | { | |
2743 | freedcpeer(peer); | |
2744 | } else { | |
1e9d82b1 | 2745 | if(peer->timeout == NULL) |
2746 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); | |
d3372da9 | 2747 | peer->state = PEER_CMD; |
2748 | endcompress(peer); | |
2749 | transfersetstate(transfer, TRNS_HS); | |
2750 | socksettos(peer->sk, confgetint("fnet", "fnptos")); | |
bfc261fe | 2751 | transfer->flags.b.minislot = 0; |
cab0b442 | 2752 | peer->sk->writecb = NULL; |
d3372da9 | 2753 | } |
2754 | } | |
2755 | } | |
2756 | } | |
2757 | } | |
2758 | ||
2759 | static void dctransendofdata(struct transfer *transfer, struct dcpeer *peer) | |
2760 | { | |
2761 | peer->state = PEER_SYNC; | |
2762 | dctransgotdata(transfer, peer); | |
2763 | } | |
2764 | ||
2765 | static void dcwantdata(struct transfer *transfer, struct dcpeer *peer) | |
2766 | { | |
2767 | if(transferdatasize(transfer) < 65536) | |
d1ef0200 | 2768 | sockblock(peer->sk, 0); |
d3372da9 | 2769 | } |
2770 | ||
cab0b442 | 2771 | static void transread(struct socket *sk, struct dcpeer *peer) |
d3372da9 | 2772 | { |
cab0b442 | 2773 | void *buf; |
2774 | size_t bufsize; | |
d3372da9 | 2775 | struct transfer *transfer; |
2776 | ||
cab0b442 | 2777 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
2778 | return; | |
d3372da9 | 2779 | if(peer->transfer == NULL) |
2780 | { | |
cab0b442 | 2781 | free(buf); |
d3372da9 | 2782 | freedcpeer(peer); |
2783 | return; | |
2784 | } | |
cab0b442 | 2785 | transferputdata(peer->transfer, buf, bufsize); |
2786 | free(buf); | |
d3372da9 | 2787 | if(peer->transfer->curpos >= peer->transfer->size) |
2788 | { | |
2789 | transfer = peer->transfer; | |
2790 | transferdetach(transfer); | |
2791 | transferendofdata(transfer); | |
2792 | return; | |
2793 | } | |
2794 | if(transferdatasize(peer->transfer) > 65535) | |
d1ef0200 | 2795 | sockblock(sk, 1); |
d3372da9 | 2796 | } |
2797 | ||
cab0b442 | 2798 | static void transerr(struct socket *sk, int err, struct dcpeer *peer) |
d3372da9 | 2799 | { |
2800 | struct transfer *transfer; | |
2801 | ||
2802 | if((transfer = peer->transfer) == NULL) | |
cab0b442 | 2803 | { |
2804 | freedcpeer(peer); | |
d3372da9 | 2805 | return; |
cab0b442 | 2806 | } |
d3372da9 | 2807 | transferdetach(transfer); |
2808 | transferendofdata(transfer); | |
2809 | } | |
2810 | ||
cab0b442 | 2811 | static void transwrite(struct socket *sk, struct dcpeer *peer) |
d3372da9 | 2812 | { |
2813 | if((peer->state != PEER_TRNS) && (peer->state != PEER_SYNC)) | |
cab0b442 | 2814 | return; |
d3372da9 | 2815 | if(peer->transfer == NULL) |
2816 | { | |
2817 | freedcpeer(peer); | |
cab0b442 | 2818 | return; |
d3372da9 | 2819 | } |
2820 | dctransgotdata(peer->transfer, peer); | |
2821 | } | |
2822 | ||
cab0b442 | 2823 | static void udpread(struct socket *sk, void *data) |
d3372da9 | 2824 | { |
d86b7a9f | 2825 | char *buf, *p, *p2, *hashbuf; |
2826 | size_t buflen, hashlen; | |
d3372da9 | 2827 | char *nick, *filename, *hubname; |
99a28d47 | 2828 | struct sockaddr_in hubaddr; |
d1ef0200 | 2829 | struct sockaddr *addrbuf; |
dcf7a1a2 FT |
2830 | off_t size; |
2831 | int slots; | |
d3372da9 | 2832 | struct fnetnode *fn, *myfn; |
2833 | struct dchub *hub; | |
2834 | struct srchres *sr; | |
2835 | wchar_t *wnick, *wfile; | |
d86b7a9f | 2836 | struct hash *hash; |
d3372da9 | 2837 | |
2838 | if((buf = sockgetinbuf(sk, &buflen)) == NULL) | |
cab0b442 | 2839 | return; |
d3372da9 | 2840 | buf = srealloc(buf, buflen + 1); |
2841 | buf[buflen] = 0; | |
2842 | if(!strncmp(buf, "$SR ", 4)) | |
2843 | { | |
2844 | p = buf + 4; | |
2845 | nick = p; | |
2846 | if((p2 = strchr(p, ' ')) == NULL) | |
2847 | { | |
2848 | free(buf); | |
cab0b442 | 2849 | return; |
d3372da9 | 2850 | } |
2851 | *p2 = 0; | |
2852 | p = p2 + 1; | |
2853 | filename = p; | |
2854 | if((p2 = strchr(p, 5)) == NULL) | |
2855 | { | |
2856 | free(buf); | |
cab0b442 | 2857 | return; |
d3372da9 | 2858 | } |
2859 | *p2 = 0; | |
2860 | p = p2 + 1; | |
2861 | if((p2 = strchr(p, ' ')) == NULL) | |
2862 | { | |
2863 | free(buf); | |
cab0b442 | 2864 | return; |
d3372da9 | 2865 | } |
2866 | *p2 = 0; | |
dcf7a1a2 | 2867 | size = strtoll(p, NULL, 10); |
d3372da9 | 2868 | p = p2 + 1; |
2869 | if((p2 = strchr(p, '/')) == NULL) | |
2870 | { | |
2871 | free(buf); | |
cab0b442 | 2872 | return; |
d3372da9 | 2873 | } |
2874 | *p2 = 0; | |
2875 | slots = atoi(p); | |
2876 | p = p2 + 1; | |
2877 | if((p2 = strchr(p, 5)) == NULL) | |
2878 | { | |
2879 | free(buf); | |
cab0b442 | 2880 | return; |
d3372da9 | 2881 | } |
2882 | p = p2 + 1; | |
2883 | hubname = p; | |
2884 | if((p2 = strstr(p, " (")) == NULL) | |
2885 | { | |
2886 | free(buf); | |
cab0b442 | 2887 | return; |
d3372da9 | 2888 | } |
2889 | *p2 = 0; | |
99a28d47 | 2890 | p = p2 + 2; |
2891 | if((p2 = strchr(p, ':')) == NULL) | |
2892 | { | |
2893 | free(buf); | |
cab0b442 | 2894 | return; |
99a28d47 | 2895 | } |
870bf4ad | 2896 | *(p2++) = 0; |
99a28d47 | 2897 | hubaddr.sin_family = AF_INET; |
2898 | if(!inet_aton(p, &hubaddr.sin_addr)) | |
2899 | { | |
2900 | free(buf); | |
cab0b442 | 2901 | return; |
99a28d47 | 2902 | } |
2903 | p = p2; | |
2904 | if((p2 = strchr(p, ')')) == NULL) | |
2905 | { | |
2906 | free(buf); | |
cab0b442 | 2907 | return; |
99a28d47 | 2908 | } |
2909 | *p2 = 0; | |
2910 | hubaddr.sin_port = htons(atoi(p)); | |
1d85f24b | 2911 | /* Use DCCHARSET in $Get paths until further researched... */ |
040118de | 2912 | if((wfile = nmdc2path(filename, DCCHARSET)) == NULL) |
d3372da9 | 2913 | { |
d3372da9 | 2914 | free(buf); |
cab0b442 | 2915 | return; |
d3372da9 | 2916 | } |
2917 | myfn = NULL; | |
d86b7a9f | 2918 | hash = NULL; |
2919 | if(!strncmp(hubname, "TTH:", 4)) | |
d3372da9 | 2920 | { |
d86b7a9f | 2921 | if((hashbuf = base32decode(hubname + 4, &hashlen)) != NULL) |
2922 | { | |
2923 | if(hashlen == 24) | |
2924 | hash = newhash(L"TTH", 24, hashbuf); | |
2925 | free(hashbuf); | |
2926 | } | |
2927 | } else { | |
2928 | for(fn = fnetnodes; fn != NULL; fn = fn->next) | |
d3372da9 | 2929 | { |
d86b7a9f | 2930 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL)) |
d3372da9 | 2931 | { |
d86b7a9f | 2932 | if((hub->nativename != NULL) && !strcmp(hub->nativename, hubname)) |
d3372da9 | 2933 | { |
d86b7a9f | 2934 | if(myfn == NULL) |
2935 | { | |
2936 | myfn = fn; | |
2937 | } else { | |
2938 | myfn = NULL; | |
2939 | break; | |
2940 | } | |
d3372da9 | 2941 | } |
2942 | } | |
2943 | } | |
2944 | } | |
99a28d47 | 2945 | if(myfn == NULL) |
2946 | { | |
2947 | for(fn = fnetnodes; fn != NULL; fn = fn->next) | |
2948 | { | |
d1ef0200 | 2949 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL) && !sockpeeraddr(hub->sk, &addrbuf, NULL)) |
99a28d47 | 2950 | { |
d1ef0200 | 2951 | if((hub->sk != NULL) && addreq(addrbuf, (struct sockaddr *)&hubaddr)) |
ffa81d5f FT |
2952 | { |
2953 | myfn = fn; | |
42a86a24 | 2954 | free(addrbuf); |
ffa81d5f FT |
2955 | break; |
2956 | } | |
d1ef0200 | 2957 | free(addrbuf); |
99a28d47 | 2958 | } |
2959 | } | |
2960 | } | |
1d85f24b | 2961 | hub = NULL; |
2962 | if(myfn != NULL) | |
2963 | hub = myfn->data; | |
2964 | if((wnick = icmbstowcs(nick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) | |
2965 | { | |
2966 | free(buf); | |
cab0b442 | 2967 | return; |
1d85f24b | 2968 | } |
d3372da9 | 2969 | sr = newsrchres(&dcnet, wfile, wnick); |
2970 | if(sr->peernick != NULL) | |
2971 | free(sr->peernick); | |
2972 | sr->peernick = swcsdup(wnick); | |
2973 | sr->size = size; | |
2974 | sr->slots = slots; | |
2975 | free(wfile); | |
2976 | free(wnick); | |
2977 | if(myfn != NULL) | |
2978 | getfnetnode(sr->fn = myfn); | |
d86b7a9f | 2979 | if(hash != NULL) |
2980 | sr->hash = hash; | |
d3372da9 | 2981 | submitsrchres(sr); |
2982 | freesrchres(sr); | |
2983 | } | |
2984 | free(buf); | |
2985 | } | |
2986 | ||
2987 | static void hubread(struct socket *sk, struct fnetnode *fn) | |
2988 | { | |
2989 | struct dchub *hub; | |
8cb2d75b | 2990 | struct command *cmd; |
d3372da9 | 2991 | char *newbuf; |
8cb2d75b | 2992 | size_t datalen, cnlen; |
c319fb93 | 2993 | char *p, *p2; |
d3372da9 | 2994 | |
2995 | hub = (struct dchub *)fn->data; | |
2996 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) | |
2997 | return; | |
2998 | if(hub->inbufdata > 500000) /* Discard possible malicious data */ | |
2999 | hub->inbufdata = 0; | |
3000 | sizebuf2(hub->inbuf, hub->inbufdata + datalen, 1); | |
3001 | memcpy(hub->inbuf + hub->inbufdata, newbuf, datalen); | |
3002 | free(newbuf); | |
c319fb93 | 3003 | p = hub->inbuf; |
d3372da9 | 3004 | hub->inbufdata += datalen; |
28a3ef52 | 3005 | while((p - hub->inbuf < hub->inbufdata) && ((p2 = memchr(p, '|', hub->inbufdata - (p - hub->inbuf))) != NULL)) |
d3372da9 | 3006 | { |
c319fb93 | 3007 | *(p2++) = 0; |
8cb2d75b FT |
3008 | for(cmd = hubcmds; cmd->handler != NULL; cmd++) |
3009 | { | |
3010 | cnlen = strlen(cmd->name); | |
c319fb93 | 3011 | if(!strncmp(p, cmd->name, cnlen) && ((p[cnlen] == ' ') || (p[cnlen] == 0))) |
8cb2d75b FT |
3012 | break; |
3013 | } | |
3014 | if((cmd->limit == 0) || (hub->queue.size < cmd->limit)) | |
c319fb93 | 3015 | newqcmd(&hub->queue, p); |
c319fb93 | 3016 | p = p2; |
d3372da9 | 3017 | } |
c319fb93 | 3018 | memmove(hub->inbuf, p, hub->inbufdata -= p - hub->inbuf); |
8cb2d75b | 3019 | if(hub->queue.size > 1000) |
d1ef0200 | 3020 | sockblock(sk, 1); |
d3372da9 | 3021 | } |
3022 | ||
3023 | static void huberr(struct socket *sk, int err, struct fnetnode *fn) | |
3024 | { | |
3025 | killfnetnode(fn); | |
3026 | } | |
3027 | ||
3028 | static int hubsetnick(struct fnetnode *fn, wchar_t *newnick) | |
3029 | { | |
3030 | struct dchub *hub; | |
3031 | char *buf; | |
3032 | ||
3033 | hub = fn->data; | |
1d85f24b | 3034 | if((buf = icwcstombs(newnick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
d3372da9 | 3035 | return(1); |
3036 | if((strchr(buf, ' ') != NULL) || (strchr(buf, '|') != NULL) || (strchr(buf, '$') != NULL)) | |
3037 | { | |
3038 | free(buf); | |
3039 | return(1); | |
3040 | } | |
3041 | if(hub == NULL) /* Not yet connected */ | |
3042 | { | |
3043 | free(buf); | |
3044 | return(0); | |
3045 | } | |
3046 | if(hub->nativenick != NULL) | |
3047 | free(hub->nativenick); | |
3048 | hub->nativenick = buf; | |
3049 | return(0); | |
3050 | } | |
3051 | ||
3052 | static struct dchub *newdchub(struct fnetnode *fn) | |
3053 | { | |
3054 | struct dchub *new; | |
1c4b02cd | 3055 | wchar_t *emu; |
1d85f24b | 3056 | wchar_t *wcharset; |
3057 | char *charset; | |
d3372da9 | 3058 | |
3059 | new = smalloc(sizeof(*new)); | |
3060 | memset(new, 0, sizeof(*new)); | |
3061 | fn->data = new; | |
1c4b02cd | 3062 | if(confgetint("dc", "dcppemu")) |
3063 | new->dcppemu = 1; | |
3064 | if((emu = wpfind(fn->args, L"dcppemu")) != NULL) | |
3065 | { | |
3066 | if(*emu == L'y') | |
3067 | new->dcppemu = 1; | |
3068 | if(*emu == L'n') | |
3069 | new->dcppemu = 0; | |
3070 | } | |
1d85f24b | 3071 | charset = NULL; |
3072 | if((wcharset = wpfind(fn->args, L"charset")) != NULL) | |
3073 | { | |
3074 | if((charset = icwcstombs(wcharset, "US-ASCII")) != NULL) | |
3075 | { | |
3076 | if(!havecharset(charset)) | |
3077 | { | |
3078 | free(charset); | |
3079 | charset = NULL; | |
3080 | } | |
3081 | } | |
3082 | } | |
3083 | if(charset != NULL) | |
3084 | new->charset = charset; | |
3085 | else | |
3086 | new->charset = sstrdup(DCCHARSET); | |
d3372da9 | 3087 | if(hubsetnick(fn, fn->mynick)) |
3088 | fnetsetnick(fn, L"DoldaConnectUser-IN"); | |
3089 | /* IN as in Invalid Nick */ | |
3090 | return(new); | |
3091 | } | |
3092 | ||
3093 | static struct dcpeer *newdcpeer(struct socket *sk) | |
3094 | { | |
3095 | struct dcpeer *new; | |
3096 | ||
3097 | new = smalloc(sizeof(*new)); | |
3098 | memset(new, 0, sizeof(*new)); | |
3099 | new->transfer = NULL; | |
3100 | getsock(sk); | |
3101 | new->sk = sk; | |
1c4b02cd | 3102 | if(confgetint("dc", "dcppemu")) |
3103 | new->dcppemu = 1; | |
d3372da9 | 3104 | new->next = peers; |
3105 | new->prev = NULL; | |
3106 | if(peers != NULL) | |
3107 | peers->prev = new; | |
3108 | peers = new; | |
3109 | numdcpeers++; | |
3110 | return(new); | |
3111 | } | |
3112 | ||
3113 | static void freedcpeer(struct dcpeer *peer) | |
3114 | { | |
3115 | int i; | |
3116 | struct qcommand *qcmd; | |
3117 | ||
d3372da9 | 3118 | if(peers == peer) |
3119 | peers = peer->next; | |
3120 | if(peer->next != NULL) | |
3121 | peer->next->prev = peer->prev; | |
3122 | if(peer->prev != NULL) | |
3123 | peer->prev->next = peer->next; | |
3124 | if(peer->transfer != NULL) | |
3125 | { | |
3126 | if(peer->transfer->dir == TRNSD_UP) | |
3127 | peer->transfer->close = 1; | |
3128 | if(peer->transfer->dir == TRNSD_DOWN) | |
3129 | resettransfer(peer->transfer); | |
d3372da9 | 3130 | } |
1e9d82b1 | 3131 | if(peer->timeout != NULL) |
3132 | canceltimer(peer->timeout); | |
cab0b442 | 3133 | if(peer->sk->data == peer) |
3134 | peer->sk->data = NULL; | |
3135 | peer->sk->readcb = NULL; | |
3136 | peer->sk->writecb = NULL; | |
3137 | peer->sk->errcb = NULL; | |
d3372da9 | 3138 | putsock(peer->sk); |
3139 | endcompress(peer); | |
3140 | if(peer->supports != NULL) | |
3141 | { | |
3142 | for(i = 0; peer->supports[i] != NULL; i++) | |
3143 | free(peer->supports[i]); | |
3144 | free(peer->supports); | |
3145 | } | |
d3372da9 | 3146 | if(peer->inbuf != NULL) |
3147 | free(peer->inbuf); | |
3148 | if(peer->key != NULL) | |
3149 | free(peer->key); | |
3150 | if(peer->wcsname != NULL) | |
3151 | free(peer->wcsname); | |
3152 | if(peer->nativename != NULL) | |
3153 | free(peer->nativename); | |
1d85f24b | 3154 | if(peer->charset != NULL) |
3155 | free(peer->charset); | |
d3372da9 | 3156 | if(peer->fn != NULL) |
3157 | putfnetnode(peer->fn); | |
3158 | while((qcmd = ulqcmd(&peer->queue)) != NULL) | |
3159 | freeqcmd(qcmd); | |
3160 | free(peer); | |
3161 | numdcpeers--; | |
3162 | } | |
3163 | ||
ffa81d5f | 3164 | static void hubconnect(struct fnetnode *fn, struct socket *sk) |
d3372da9 | 3165 | { |
ffa81d5f FT |
3166 | struct dchub *hub; |
3167 | ||
3168 | sk->readcb = (void (*)(struct socket *, void *))hubread; | |
3169 | sk->errcb = (void (*)(struct socket *, int, void *))huberr; | |
3170 | fn->data = hub = newdchub(fn); | |
3171 | sk->data = fn; | |
3172 | getsock(hub->sk = sk); | |
d3372da9 | 3173 | return; |
3174 | } | |
3175 | ||
3176 | static void hubdestroy(struct fnetnode *fn) | |
3177 | { | |
08b74f8c | 3178 | int i; |
d3372da9 | 3179 | struct dchub *hub; |
3180 | struct qcommand *qcmd; | |
3181 | ||
3182 | hub = (struct dchub *)fn->data; | |
ffa81d5f | 3183 | putsock(hub->sk); |
d3372da9 | 3184 | while((qcmd = ulqcmd(&hub->queue)) != NULL) |
3185 | freeqcmd(qcmd); | |
08b74f8c FT |
3186 | if(hub->supports != NULL) |
3187 | { | |
3188 | for(i = 0; hub->supports[i] != NULL; i++) | |
3189 | free(hub->supports[i]); | |
3190 | free(hub->supports); | |
3191 | } | |
d3372da9 | 3192 | if(hub->nativename != NULL) |
3193 | free(hub->nativename); | |
3194 | if(hub->nativenick != NULL) | |
3195 | free(hub->nativenick); | |
1d85f24b | 3196 | if(hub->charset != NULL) |
3197 | free(hub->charset); | |
d3372da9 | 3198 | if(hub->inbuf != NULL) |
3199 | free(hub->inbuf); | |
3200 | free(hub); | |
3201 | } | |
3202 | ||
ffa81d5f FT |
3203 | static void hubkill(struct fnetnode *fn) |
3204 | { | |
3205 | struct dchub *hub; | |
3206 | ||
3207 | hub = (struct dchub *)fn->data; | |
d1ef0200 | 3208 | closesock(hub->sk); |
ffa81d5f FT |
3209 | } |
3210 | ||
d3372da9 | 3211 | static struct transferiface dctransfer = |
3212 | { | |
3213 | .detach = (void (*)(struct transfer *, void *))dctransdetach, | |
3214 | .gotdata = (void (*)(struct transfer *, void *))dctransgotdata, | |
3215 | .endofdata = (void (*)(struct transfer *, void *))dctransendofdata, | |
3216 | .wantdata = (void (*)(struct transfer *, void *))dcwantdata | |
3217 | }; | |
3218 | ||
3219 | static struct fnet dcnet = | |
3220 | { | |
3221 | .name = L"dc", | |
3222 | .connect = hubconnect, | |
3223 | .destroy = hubdestroy, | |
ffa81d5f | 3224 | .kill = hubkill, |
d3372da9 | 3225 | .setnick = hubsetnick, |
3226 | .reqconn = hubreqconn, | |
3227 | .sendchat = hubsendchat, | |
3228 | .search = hubsearch, | |
d3372da9 | 3229 | }; |
3230 | ||
cab0b442 | 3231 | static void peerread(struct socket *sk, struct dcpeer *peer) |
d3372da9 | 3232 | { |
cab0b442 | 3233 | char *newbuf, *p; |
8cb2d75b | 3234 | size_t datalen, cnlen; |
cab0b442 | 3235 | struct command *cmd; |
5ec60e42 | 3236 | |
d3372da9 | 3237 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
cab0b442 | 3238 | return; |
d3372da9 | 3239 | sizebuf2(peer->inbuf, peer->inbufdata + datalen, 1); |
3240 | memcpy(peer->inbuf + peer->inbufdata, newbuf, datalen); | |
3241 | free(newbuf); | |
d3372da9 | 3242 | peer->inbufdata += datalen; |
9a2d6cb8 | 3243 | if(peer->state == PEER_CMD) |
d3372da9 | 3244 | { |
cab0b442 | 3245 | p = peer->inbuf; |
3246 | while((peer->inbufdata > 0) && (p = memchr(peer->inbuf, '|', peer->inbufdata)) != NULL) | |
3247 | { | |
3248 | *(p++) = 0; | |
cab0b442 | 3249 | for(cmd = peercmds; cmd->handler != NULL; cmd++) |
3250 | { | |
8cb2d75b FT |
3251 | cnlen = strlen(cmd->name); |
3252 | if(!strncmp(peer->inbuf, cmd->name, cnlen) && ((peer->inbuf[cnlen] == ' ') || (peer->inbuf[cnlen] == 0))) | |
cab0b442 | 3253 | break; |
3254 | } | |
8cb2d75b FT |
3255 | if((cmd->limit == 0) || (peer->queue.size < cmd->limit)) |
3256 | newqcmd(&peer->queue, peer->inbuf); | |
cab0b442 | 3257 | memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf); |
3258 | if(cmd->stop) | |
3259 | { | |
3260 | peer->state = PEER_STOP; | |
3261 | break; | |
8cb2d75b | 3262 | } else { |
e0731d8c | 3263 | if(peer->queue.size > 50) |
d1ef0200 | 3264 | sockblock(sk, 1); |
cab0b442 | 3265 | } |
3266 | } | |
9a2d6cb8 | 3267 | } else if(peer->state == PEER_TTHL) { |
3268 | handletthl(peer); | |
d3372da9 | 3269 | } |
e0731d8c | 3270 | if(peer->inbufdata > 500000) |
d1ef0200 | 3271 | sockblock(sk, 1); |
d3372da9 | 3272 | } |
3273 | ||
cab0b442 | 3274 | static void peererror(struct socket *sk, int err, struct dcpeer *peer) |
d3372da9 | 3275 | { |
3276 | freedcpeer(peer); | |
3277 | } | |
3278 | ||
cab0b442 | 3279 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn) |
d3372da9 | 3280 | { |
3281 | struct dcpeer *peer; | |
1c4b02cd | 3282 | struct dchub *hub; |
d3372da9 | 3283 | |
3284 | if(err != 0) | |
3285 | { | |
3286 | putfnetnode(fn); | |
ff625695 | 3287 | putsock(sk); |
cab0b442 | 3288 | return; |
d3372da9 | 3289 | } |
1c4b02cd | 3290 | hub = fn->data; |
d3372da9 | 3291 | peer = newdcpeer(sk); |
3292 | peer->fn = fn; | |
3293 | peer->accepted = 0; | |
1c4b02cd | 3294 | peer->dcppemu = hub->dcppemu; |
cab0b442 | 3295 | sk->readcb = (void (*)(struct socket *, void *))peerread; |
3296 | sk->errcb = (void (*)(struct socket *, int, void *))peererror; | |
3297 | sk->data = peer; | |
d3372da9 | 3298 | socksettos(sk, confgetint("fnet", "fnptos")); |
d3372da9 | 3299 | putsock(sk); |
1e9d82b1 | 3300 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 | 3301 | sendmynick(peer); |
3302 | sendpeerlock(peer); | |
d3372da9 | 3303 | } |
3304 | ||
d1ef0200 | 3305 | static void peeraccept(struct lport *lp, struct socket *newsk, void *data) |
d3372da9 | 3306 | { |
3307 | struct dcpeer *peer; | |
3308 | ||
3309 | peer = newdcpeer(newsk); | |
3310 | peer->accepted = 1; | |
cab0b442 | 3311 | newsk->readcb = (void (*)(struct socket *, void *))peerread; |
3312 | newsk->errcb = (void (*)(struct socket *, int, void *))peererror; | |
3313 | newsk->data = peer; | |
d3372da9 | 3314 | socksettos(newsk, confgetint("fnet", "fnptos")); |
1e9d82b1 | 3315 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 | 3316 | } |
3317 | ||
3318 | static void updatehmlist(void) | |
3319 | { | |
3320 | int i, lev, ic, ret; | |
3321 | struct sharecache *node; | |
3322 | char *buf, *buf2, numbuf[32]; | |
3323 | size_t bufsize, bufdata; | |
3324 | int fd, ibuf; | |
50d8d5c1 | 3325 | FILE *out; |
d3372da9 | 3326 | |
3327 | bufdata = 0; | |
3328 | buf = smalloc(bufsize = 65536); | |
3329 | node = shareroot->child; | |
3330 | lev = 0; | |
3331 | while(1) | |
3332 | { | |
3333 | ic = 0; | |
1d85f24b | 3334 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 | 3335 | if((buf2 = icwcstombs(node->name, DCCHARSET)) != NULL) |
3336 | { | |
3337 | for(i = 0; i < lev; i++) | |
3338 | addtobuf(buf, 9); | |
3339 | bufcat(buf, buf2, strlen(buf2)); | |
3340 | free(buf2); | |
3341 | if(node->f.b.type == FILE_REG) | |
3342 | { | |
3343 | addtobuf(buf, '|'); | |
dcf7a1a2 | 3344 | sprintf(numbuf, "%ji", (intmax_t)node->size); |
d3372da9 | 3345 | bufcat(buf, numbuf, strlen(numbuf)); |
3346 | } | |
3347 | addtobuf(buf, 13); | |
3348 | addtobuf(buf, 10); | |
3349 | } else { | |
3350 | ic = 1; | |
3351 | } | |
3352 | if((node->child != NULL) && !ic) | |
3353 | { | |
3354 | lev++; | |
3355 | node = node->child; | |
3356 | } else if(node->next != NULL) { | |
3357 | node = node->next; | |
3358 | } else { | |
3359 | while(node->next == NULL) | |
3360 | { | |
3361 | lev--; | |
3362 | node = node->parent; | |
3363 | if(node == shareroot) | |
3364 | break; | |
3365 | } | |
3366 | if(node == shareroot) | |
3367 | break; | |
3368 | node = node->next; | |
3369 | } | |
3370 | } | |
3371 | if(hmlistname != NULL) | |
3372 | { | |
3373 | unlink(hmlistname); | |
3374 | free(hmlistname); | |
3375 | } | |
3376 | hmlistname = sstrdup("/tmp/dc-filelist-hm-XXXXXX"); | |
3377 | if((fd = mkstemp(hmlistname)) < 0) | |
3378 | { | |
3379 | flog(LOG_WARNING, "could not create HM file list tempfile: %s", strerror(errno)); | |
3380 | free(hmlistname); | |
3381 | hmlistname = NULL; | |
3382 | } else { | |
50d8d5c1 | 3383 | out = fdopen(fd, "w"); |
d3372da9 | 3384 | /* |
3385 | * I do not want to implement a good Huffman encoder, and it's not | |
3386 | * like Huffman encoding actually yields any impressive results | |
3387 | * for DC file lists anyway, so I'll just output a bogus | |
3388 | * tree. Implement a good encoder if you want to. | |
3389 | */ | |
50d8d5c1 FT |
3390 | fwrite("HE3\r\0", 1, 5, out); |
3391 | fwrite(&bufdata, 4, 1, out); /* XXX: Endian unsafe */ | |
d3372da9 | 3392 | ibuf = 256; |
50d8d5c1 | 3393 | fwrite(&ibuf, 2, 1, out); |
d3372da9 | 3394 | ibuf = 8; |
3395 | for(i = 0; i < 256; i++) | |
3396 | { | |
50d8d5c1 FT |
3397 | fwrite(&i, 1, 1, out); |
3398 | fwrite(&ibuf, 1, 1, out); | |
d3372da9 | 3399 | } |
3400 | for(i = 0; i < 256; i++) | |
50d8d5c1 | 3401 | fwrite(&i, 1, 1, out); |
d3372da9 | 3402 | for(buf2 = buf; bufdata > 0;) |
3403 | { | |
50d8d5c1 | 3404 | if((ret = fwrite(buf2, 1, bufdata, out)) < 0) |
d3372da9 | 3405 | { |
3406 | flog(LOG_WARNING, "could not write file list: %s", strerror(errno)); | |
3407 | break; | |
3408 | } | |
3409 | bufdata -= ret; | |
3410 | buf2 += ret; | |
3411 | } | |
50d8d5c1 | 3412 | fclose(out); |
d3372da9 | 3413 | } |
3414 | free(buf); | |
3415 | } | |
3416 | ||
3417 | static struct xmlent | |
3418 | { | |
3419 | wchar_t c; | |
3420 | wchar_t *ent; | |
3421 | } entities[] = { | |
3422 | {L'&', L"&"}, | |
3423 | {L'\"', L"""}, | |
3424 | /* {L'\'', L"""}, Emulate DC++ escaping by omitting this. */ | |
3425 | {L'\0', NULL} | |
3426 | }; | |
3427 | ||
3428 | static wchar_t *escapexml(wchar_t *src) | |
3429 | { | |
3430 | static wchar_t *buf = NULL;; | |
3431 | int ret, c; | |
3432 | wchar_t nbuf[32]; | |
3433 | size_t bufsize, bufdata; | |
3434 | struct xmlent *ent; | |
3435 | ||
3436 | if(buf != NULL) | |
3437 | free(buf); | |
3438 | buf = NULL; | |
3439 | bufsize = bufdata = 0; | |
3440 | for(; *src != L'\0'; src++) | |
3441 | { | |
3442 | c = wctob(*src); | |
3443 | if((c > 0) && (c < 32)) | |
3444 | { | |
3445 | bufcat(buf, L"&#", 2); | |
3446 | ret = swprintf(nbuf, (sizeof(nbuf) / sizeof(*nbuf)), L"%i", c); | |
3447 | bufcat(buf, nbuf, ret); | |
3448 | addtobuf(buf, L';'); | |
3449 | } else { | |
3450 | for(ent = entities; ent->ent != NULL; ent++) | |
3451 | { | |
3452 | if(ent->c == *src) | |
3453 | { | |
3454 | bufcat(buf, ent->ent, wcslen(ent->ent)); | |
3455 | break; | |
3456 | } | |
3457 | } | |
3458 | if(ent->ent == NULL) | |
3459 | addtobuf(buf, *src); | |
3460 | } | |
3461 | } | |
3462 | addtobuf(buf, L'\0'); | |
3463 | return(buf); | |
3464 | } | |
3465 | ||
3466 | static void updatexmllist(void) | |
3467 | { | |
3468 | int i, fd, lev; | |
3469 | FILE *fs; | |
3470 | char cidbuf[14], *namebuf; | |
3471 | char *hashbuf; | |
3472 | struct sharecache *node; | |
3473 | ||
3474 | if(xmllistname != NULL) | |
3475 | { | |
3476 | unlink(xmllistname); | |
3477 | free(xmllistname); | |
3478 | } | |
3479 | xmllistname = sstrdup("/tmp/dc-filelist-dcxml-XXXXXX"); | |
3480 | if((fd = mkstemp(xmllistname)) < 0) | |
3481 | { | |
3482 | flog(LOG_WARNING, "could not create XML file list tempfile: %s", strerror(errno)); | |
3483 | free(xmllistname); | |
3484 | xmllistname = NULL; | |
3485 | return; | |
3486 | } | |
3487 | if((fs = fdopen(fd, "w")) == NULL) | |
3488 | { | |
3489 | flog(LOG_WARNING, "could not fdopen XML list fd %i: %s", fd, strerror(errno)); | |
3490 | unlink(xmllistname); | |
3491 | free(xmllistname); | |
3492 | xmllistname = NULL; | |
3493 | close(fd); | |
3494 | return; | |
3495 | } | |
3496 | fprintf(fs, "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>\r\n"); | |
3497 | for(i = 0; i < sizeof(cidbuf) - 1; i++) | |
3498 | cidbuf[i] = (rand() % ('Z' - 'A' + 1)) + 'A'; | |
3499 | cidbuf[i] = 0; | |
1c4b02cd | 3500 | if(confgetint("dc", "dcppemu")) |
3501 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"DC++ 0.674\">\r\n", cidbuf); | |
3502 | else | |
3503 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"%s\">\r\n", cidbuf, "DoldaConnect" VERSION); | |
d3372da9 | 3504 | |
3505 | node = shareroot->child; | |
3506 | lev = 0; | |
3507 | while(1) | |
3508 | { | |
3509 | if((namebuf = icswcstombs(escapexml(node->name), "UTF-8", NULL)) != NULL) | |
3510 | { | |
3511 | for(i = 0; i < lev; i++) | |
3512 | fputc('\t', fs); | |
3513 | if(node->child != NULL) | |
3514 | { | |
3515 | fprintf(fs, "<Directory Name=\"%s\">\r\n", namebuf); | |
3516 | node = node->child; | |
3517 | lev++; | |
3518 | continue; | |
3519 | } else { | |
dcf7a1a2 | 3520 | fprintf(fs, "<File Name=\"%s\" Size=\"%ji\"", namebuf, (intmax_t)node->size); |
d3372da9 | 3521 | if(node->f.b.hastth) |
3522 | { | |
3523 | hashbuf = base32encode(node->hashtth, 24); | |
3524 | fprintf(fs, " TTH=\"%.39s\"", hashbuf); | |
3525 | free(hashbuf); | |
3526 | } | |
3527 | fprintf(fs, "/>\r\n"); | |
3528 | } | |
3529 | while(node->next == NULL) | |
3530 | { | |
3531 | node = node->parent; | |
3532 | if(node == shareroot) | |
3533 | { | |
3534 | break; | |
3535 | } else { | |
3536 | lev--; | |
3537 | for(i = 0; i < lev; i++) | |
3538 | fputc('\t', fs); | |
3539 | fprintf(fs, "</Directory>\r\n"); | |
3540 | } | |
3541 | } | |
3542 | if(node == shareroot) | |
3543 | break; | |
3544 | node = node->next; | |
3545 | } | |
3546 | } | |
3547 | ||
1c4b02cd | 3548 | if(confgetint("dc", "dcppemu")) |
3549 | fprintf(fs, "</FileListing>"); | |
3550 | else | |
3551 | fprintf(fs, "</FileListing>\r\n"); | |
d3372da9 | 3552 | fclose(fs); |
3553 | } | |
3554 | ||
3555 | static void updatexmlbz2list(void) | |
3556 | { | |
3557 | int err, fd; | |
3558 | FILE *in; | |
3559 | FILE *real; | |
3560 | BZFILE *out; | |
3561 | char buf[1024]; | |
3562 | size_t bufdata; | |
3563 | ||
3564 | if(xmllistname == NULL) | |
3565 | return; | |
3566 | if((in = fopen(xmllistname, "r")) == NULL) | |
3567 | { | |
3568 | flog(LOG_WARNING, "could not open XML file list for bzipping: %s", strerror(errno)); | |
3569 | return; | |
3570 | } | |
3571 | if(xmlbz2listname != NULL) | |
3572 | { | |
3573 | unlink(xmlbz2listname); | |
3574 | free(xmlbz2listname); | |
3575 | } | |
3576 | xmlbz2listname = sstrdup("/tmp/dc-filelist-dcxmlbz2-XXXXXX"); | |
3577 | if((fd = mkstemp(xmlbz2listname)) < 0) | |
3578 | { | |
3579 | flog(LOG_WARNING, "could not create bzipped XML file list tempfile: %s", strerror(errno)); | |
3580 | free(xmlbz2listname); | |
3581 | xmlbz2listname = NULL; | |
3582 | fclose(in); | |
3583 | return; | |
3584 | } | |
3585 | if((real = fdopen(fd, "w")) == NULL) | |
3586 | { | |
3587 | flog(LOG_WARNING, "could not fdopen bzipped XML list fd %i: %s", fd, strerror(errno)); | |
3588 | close(fd); | |
3589 | unlink(xmlbz2listname); | |
3590 | free(xmlbz2listname); | |
3591 | xmlbz2listname = NULL; | |
3592 | fclose(in); | |
3593 | return; | |
3594 | } | |
3595 | out = BZ2_bzWriteOpen(&err, real, 9, 0, 0); | |
3596 | if(err != BZ_OK) | |
3597 | { | |
3598 | flog(LOG_WARNING, "could not open bzip2 stream from XML list"); | |
3599 | fclose(real); | |
3600 | unlink(xmlbz2listname); | |
3601 | free(xmlbz2listname); | |
3602 | xmlbz2listname = NULL; | |
3603 | fclose(in); | |
3604 | return; | |
3605 | } | |
3606 | while(!feof(in)) | |
3607 | { | |
3608 | bufdata = fread(buf, 1, sizeof(buf), in); | |
3609 | BZ2_bzWrite(&err, out, buf, bufdata); | |
3610 | } | |
3611 | fclose(in); | |
3612 | BZ2_bzWriteClose(&err, out, 0, NULL, NULL); | |
3613 | fclose(real); | |
3614 | } | |
3615 | ||
6305c428 | 3616 | static void listtimercb(int cancelled, void *uudata) |
3617 | { | |
3618 | listwritetimer = NULL; | |
3619 | if(!cancelled) | |
3620 | updatelists(1); | |
3621 | } | |
3622 | ||
3623 | static void updatelists(int now) | |
d3372da9 | 3624 | { |
000ca725 | 3625 | if((hmlistname == NULL) || (xmllistname == NULL) || (xmlbz2listname == NULL)) |
3626 | now = 1; | |
6305c428 | 3627 | if(!now) |
3628 | { | |
3629 | if(listwritetimer == NULL) | |
ddb3658e | 3630 | listwritetimer = timercallback(ntime() + confgetint("cli", "hashwritedelay"), listtimercb, NULL); |
6305c428 | 3631 | return; |
3632 | } | |
3633 | if(listwritetimer != NULL) | |
3634 | canceltimer(listwritetimer); | |
d3372da9 | 3635 | updatehmlist(); |
3636 | updatexmllist(); | |
3637 | updatexmlbz2list(); | |
6305c428 | 3638 | } |
3639 | ||
3640 | static int shareupdate(unsigned long long uusharesize, void *data) | |
3641 | { | |
3642 | updatelists(0); | |
d3372da9 | 3643 | return(0); |
3644 | } | |
3645 | ||
7395a37f FT |
3646 | static char *quotestr(char *str) |
3647 | { | |
3648 | unsigned char *buf; | |
3649 | unsigned char *p; | |
3650 | size_t bufsize, bufdata; | |
3651 | wchar_t *wbuf; | |
3652 | static char *enc = NULL; | |
3653 | size_t encsize, encdata; | |
3654 | ||
3655 | buf = NULL; | |
3656 | bufsize = bufdata = 0; | |
3657 | for(p = (unsigned char *)str; *p; p++) | |
3658 | { | |
3659 | if(*p == '\b') | |
3660 | bufcat(buf, "\\b", 2); | |
3661 | else if(*p == '\t') | |
3662 | bufcat(buf, "\\t", 2); | |
3663 | else if(*p == '\n') | |
3664 | bufcat(buf, "\\n", 2); | |
3665 | else if(*p == '\r') | |
3666 | bufcat(buf, "\\r", 2); | |
3667 | else if(*p == '\\') | |
3668 | bufcat(buf, "\\\\", 2); | |
3669 | else if(*p >= 32) | |
3670 | addtobuf(buf, *p); | |
3671 | else | |
3672 | bprintf(buf, "\\x%02x", *p); | |
3673 | } | |
3674 | addtobuf(buf, 0); | |
3675 | if(enc != NULL) | |
3676 | free(enc); | |
3677 | enc = NULL; | |
3678 | if((wbuf = icmbstowcs((char *)buf, DCCHARSET)) != NULL) | |
3679 | { | |
3680 | enc = icwcstombs(wbuf, NULL); | |
3681 | free(wbuf); | |
3682 | } | |
3683 | if(enc == NULL) | |
3684 | { | |
3685 | encsize = encdata = 0; | |
3686 | for(p = buf; *p; p++) { | |
3687 | if(*p < 128) | |
3688 | addtobuf(enc, *p); | |
3689 | else | |
3690 | bprintf(buf, "\\x%x", *p); | |
3691 | } | |
3692 | } | |
3693 | free(buf); | |
3694 | return(enc); | |
3695 | } | |
3696 | ||
c1928259 | 3697 | static void logunimpl(char *list, char *cmd, char *args) |
7395a37f FT |
3698 | { |
3699 | FILE *log; | |
3700 | ||
3701 | if((log = fopen("/tmp/dc-unimpl", "a")) == NULL) | |
3702 | { | |
3703 | flog(LOG_WARNING, "could not open unimpl log: %s", strerror(errno)); | |
3704 | return; | |
3705 | } | |
c1928259 FT |
3706 | fputs(list, log); |
3707 | fputc('\t', log); | |
7395a37f FT |
3708 | fputs(quotestr(cmd), log); |
3709 | if(args != NULL) | |
3710 | { | |
3711 | fputc('\t', log); | |
3712 | fputs(quotestr(args), log); | |
3713 | } | |
3714 | fputc('\n', log); | |
3715 | fclose(log); | |
3716 | } | |
3717 | ||
d3372da9 | 3718 | static void dispatchcommand(struct qcommand *qcmd, struct command *cmdlist, struct socket *sk, void *data) |
3719 | { | |
3720 | char *p; | |
3721 | struct command *cmd; | |
3722 | ||
3723 | if((p = strchr(qcmd->string, ' ')) != NULL) | |
3724 | *(p++) = 0; | |
3725 | for(cmd = cmdlist; cmd->handler != NULL; cmd++) | |
3726 | { | |
3727 | if(!strcmp(cmd->name, qcmd->string)) | |
3728 | break; | |
3729 | } | |
3730 | if(cmd->handler != NULL) | |
c1928259 | 3731 | { |
d3372da9 | 3732 | cmd->handler(sk, data, qcmd->string, p); |
c1928259 FT |
3733 | } else if(confgetint("dc", "logunimpl")) { |
3734 | if(cmdlist == hubcmds) | |
3735 | logunimpl("hub", qcmd->string, p); | |
3736 | else if(cmdlist == peercmds) | |
3737 | logunimpl("peer", qcmd->string, p); | |
3738 | else | |
3739 | logunimpl("other?!", qcmd->string, p); | |
3740 | } | |
d3372da9 | 3741 | } |
3742 | ||
3743 | static int run(void) | |
3744 | { | |
3745 | struct fnetnode *fn, *nextfn; | |
3746 | struct dchub *hub; | |
3747 | struct dcpeer *peer, *nextpeer; | |
3748 | struct qcommand *qcmd; | |
e0731d8c | 3749 | int ret, quota; |
d3372da9 | 3750 | |
3751 | ret = 0; | |
e0731d8c | 3752 | quota = 20; |
d3372da9 | 3753 | for(fn = fnetnodes; fn != NULL; fn = nextfn) |
3754 | { | |
3755 | nextfn = fn->next; | |
3756 | if(fn->fnet != &dcnet) | |
3757 | continue; | |
3758 | if(fn->data == NULL) | |
3759 | continue; | |
3760 | hub = (struct dchub *)fn->data; | |
e0731d8c | 3761 | while((quota > 0) && ((qcmd = ulqcmd(&hub->queue)) != NULL)) |
d3372da9 | 3762 | { |
3763 | if(*qcmd->string == '$') | |
3764 | { | |
ffa81d5f FT |
3765 | if((hub->sk != NULL) && (hub->sk->state == SOCK_EST)) |
3766 | dispatchcommand(qcmd, hubcmds, hub->sk, fn); | |
d3372da9 | 3767 | } else if(*qcmd->string != 0) { |
ffa81d5f | 3768 | hubrecvchat(hub->sk, fn, NULL, qcmd->string); |
d3372da9 | 3769 | } |
3770 | freeqcmd(qcmd); | |
3771 | ret = 1; | |
e0731d8c | 3772 | quota--; |
d3372da9 | 3773 | } |
e0731d8c | 3774 | if(hub->queue.size < 1000) |
d1ef0200 | 3775 | sockblock(hub->sk, 0); |
e0731d8c FT |
3776 | if(quota < 1) |
3777 | break; | |
d3372da9 | 3778 | } |
e0731d8c | 3779 | quota = 20; |
2bf4942d | 3780 | for(peer = peers; peer != NULL; peer = peer->next) |
d3372da9 | 3781 | { |
2bf4942d | 3782 | while(!peer->close && (quota > 0) && ((qcmd = ulqcmd(&peer->queue)) != NULL)) |
d3372da9 | 3783 | { |
1e9d82b1 | 3784 | if(peer->timeout != NULL) |
3785 | canceltimer(peer->timeout); | |
3786 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); | |
d3372da9 | 3787 | if(*qcmd->string == '$') |
3788 | dispatchcommand(qcmd, peercmds, peer->sk, peer); | |
3789 | freeqcmd(qcmd); | |
3790 | ret = 1; | |
e0731d8c | 3791 | quota--; |
d3372da9 | 3792 | } |
e0731d8c | 3793 | if((peer->queue.size < 50) && (peer->inbufdata < 500000)) |
d1ef0200 | 3794 | sockblock(peer->sk, 0); |
e0731d8c FT |
3795 | if(quota < 1) |
3796 | break; | |
d3372da9 | 3797 | } |
2bf4942d FT |
3798 | for(peer = peers; peer != NULL; peer = nextpeer) |
3799 | { | |
3800 | nextpeer = peer->next; | |
3801 | if(peer->close) | |
3802 | freedcpeer(peer); | |
3803 | } | |
d3372da9 | 3804 | return(ret); |
3805 | } | |
3806 | ||
3807 | static void preinit(int hup) | |
3808 | { | |
3809 | if(hup) | |
3810 | return; | |
3811 | regfnet(&dcnet); | |
3812 | } | |
3813 | ||
3814 | static int updateudpport(struct configvar *var, void *uudata) | |
3815 | { | |
3816 | struct sockaddr_in addr; | |
3817 | struct socket *newsock; | |
3818 | ||
3819 | memset(&addr, 0, sizeof(addr)); | |
3820 | addr.sin_family = AF_INET; | |
3821 | addr.sin_port = htons(var->val.num); | |
3822 | if((newsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) | |
3823 | { | |
3824 | flog(LOG_WARNING, "could not create new DC UDP socket, reverting to old: %s", strerror(errno)); | |
3825 | return(0); | |
3826 | } | |
cab0b442 | 3827 | newsock->readcb = udpread; |
d3372da9 | 3828 | if(udpsock != NULL) |
3829 | putsock(udpsock); | |
3830 | udpsock = newsock; | |
3831 | return(0); | |
3832 | } | |
3833 | ||
3834 | static int updatetcpport(struct configvar *var, void *uudata) | |
3835 | { | |
3836 | struct sockaddr_in addr; | |
d1ef0200 | 3837 | struct lport *newsock; |
d3372da9 | 3838 | |
3839 | memset(&addr, 0, sizeof(addr)); | |
3840 | addr.sin_family = AF_INET; | |
3841 | addr.sin_port = htons(var->val.num); | |
3842 | if((newsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) | |
3843 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); | |
3844 | if(tcpsock != NULL) | |
d1ef0200 | 3845 | closelport(tcpsock); |
d3372da9 | 3846 | tcpsock = newsock; |
3847 | return(0); | |
3848 | } | |
3849 | ||
3850 | static int init(int hup) | |
3851 | { | |
3852 | struct sockaddr_in addr; | |
3853 | ||
3854 | if(!hup) | |
3855 | { | |
3856 | GCBREG(sharechangecb, shareupdate, NULL); | |
3857 | if(udpsock != NULL) | |
3858 | putsock(udpsock); | |
3859 | if(tcpsock != NULL) | |
d1ef0200 | 3860 | closelport(tcpsock); |
d3372da9 | 3861 | addr.sin_family = AF_INET; |
3862 | memset(&addr.sin_addr, 0, sizeof(addr.sin_addr)); | |
3863 | addr.sin_port = htons(confgetint("dc", "udpport")); | |
3864 | if((udpsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) | |
3865 | { | |
3866 | flog(LOG_CRIT, "could not create DC UDP socket: %s", strerror(errno)); | |
3867 | return(1); | |
3868 | } | |
cab0b442 | 3869 | udpsock->readcb = udpread; |
d3372da9 | 3870 | addr.sin_port = htons(confgetint("dc", "tcpport")); |
3871 | if((tcpsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) | |
3872 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); | |
3873 | CBREG(confgetvar("dc", "udpport"), conf_update, updateudpport, NULL, NULL); | |
3874 | CBREG(confgetvar("dc", "tcpport"), conf_update, updatetcpport, NULL, NULL); | |
3875 | CBREG(confgetvar("net", "mode"), conf_update, updatetcpport, NULL, NULL); | |
3876 | } | |
3877 | return(0); | |
3878 | } | |
3879 | ||
3880 | static void terminate(void) | |
3881 | { | |
3882 | if(hmlistname != NULL) | |
3883 | { | |
3884 | unlink(hmlistname); | |
3885 | free(hmlistname); | |
3886 | } | |
3887 | if(xmllistname != NULL) | |
3888 | { | |
3889 | unlink(xmllistname); | |
3890 | free(xmllistname); | |
3891 | } | |
3892 | if(xmlbz2listname != NULL) | |
3893 | { | |
3894 | unlink(xmlbz2listname); | |
3895 | free(xmlbz2listname); | |
3896 | } | |
3897 | } | |
3898 | ||
3899 | static struct configvar myvars[] = | |
3900 | { | |
d9f89ef5 | 3901 | /** Specifies the share description reported to other DC users. */ |
d3372da9 | 3902 | {CONF_VAR_STRING, "desc", {.str = L""}}, |
d9f89ef5 | 3903 | /** Specifies the speed reported to other DC users. Normal values |
3904 | * are 28.8Kbps, 33.6Kbps, 56Kbps, Satellite, ISDN, DSL, Cable, | |
3905 | * LAN(T1) or LAN(T3)*/ | |
d3372da9 | 3906 | {CONF_VAR_STRING, "speedstring", {.str = L"LAN(T1)"}}, |
d9f89ef5 | 3907 | /** The e-mail address to report to other DC users. */ |
d3372da9 | 3908 | {CONF_VAR_STRING, "email", {.str = L"spam@spam.org"}}, |
d9f89ef5 | 3909 | /** Specifies a specific UDP port to use for DC search results. If |
3910 | * left unspecified, a port is allocated dynamically. Useful for | |
3911 | * NAT routers (see also the net.visibleipv4 address for those | |
3912 | * cases). */ | |
d3372da9 | 3913 | {CONF_VAR_INT, "udpport", {.num = 0}}, |
d9f89ef5 | 3914 | /** Specifies a specific TCP port to use for DC peer |
3915 | * connections. If left unspecified, a port is allocated | |
3916 | * dynamically. Useful for NAT routers (see also the | |
3917 | * net.visibleipv4 address for those cases). */ | |
d3372da9 | 3918 | {CONF_VAR_INT, "tcpport", {.num = 0}}, |
d9f89ef5 | 3919 | /** If set to true, doldacond will do its best to emulate DC++ |
3920 | * (currently v0.674). This should be left off if at all possible, | |
3921 | * since turning it on will violate the rules of most hubs and | |
3922 | * thus give hub owners an actual reason to kick you if it is | |
3923 | * detected. It might be needed for some of the more bone-headed | |
3924 | * hub owners, though. Note that DC++ emulation can also be turned | |
3925 | * on or off for individual hubs, overriding this setting. */ | |
1c4b02cd | 3926 | {CONF_VAR_BOOL, "dcppemu", {.num = 0}}, |
7395a37f FT |
3927 | /** Use for debugging. If set to true, doldacond will log all |
3928 | * unknown commands it receives, and their arguments, to | |
3929 | * /tmp/dc-unimpl. */ | |
3930 | {CONF_VAR_BOOL, "logunimpl", {.num = 0}}, | |
4b544330 FT |
3931 | /** If set to true, doldacond will hide its support for deflate |
3932 | * compression of transfers from other clients, so that they will | |
3933 | * not request compressed uploads. Compressed transfers may | |
3934 | * consume a non-trivial amount of CPU time on slower machines. */ | |
3935 | {CONF_VAR_BOOL, "hidedeflate", {.num = 0}}, | |
d3372da9 | 3936 | {CONF_VAR_END} |
3937 | }; | |
3938 | ||
3939 | static struct module me = | |
3940 | { | |
3941 | .conf = | |
3942 | { | |
3943 | .vars = myvars | |
3944 | }, | |
3945 | .preinit = preinit, | |
3946 | .init = init, | |
3947 | .run = run, | |
3948 | .terminate = terminate, | |
3949 | .name = "dc" | |
3950 | }; | |
3951 | ||
3952 | MODULE(me) |