d3372da9 |
1 | /* |
2 | * Dolda Connect - Modular multiuser Direct Connect-style client |
3 | * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com) |
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> |
22 | #include <malloc.h> |
23 | #include <unistd.h> |
24 | #include <fcntl.h> |
25 | #include <string.h> |
26 | #include <netinet/in.h> |
27 | #include <arpa/inet.h> |
28 | #include <alloca.h> |
29 | #include <wctype.h> |
30 | #include <time.h> |
31 | #include <errno.h> |
32 | #include <bzlib.h> |
33 | #include <zlib.h> |
34 | #include <sys/stat.h> |
35 | |
36 | #ifdef HAVE_CONFIG_H |
37 | #include <config.h> |
38 | #endif |
39 | #include "filenet.h" |
40 | #include "log.h" |
41 | #include "module.h" |
42 | #include "utils.h" |
43 | #include "client.h" |
44 | #include "transfer.h" |
45 | #include "sysevents.h" |
46 | #include "net.h" |
9a2d6cb8 |
47 | #include "tiger.h" |
d3372da9 |
48 | |
49 | /* |
50 | * The Direct Connect protocol is extremely ugly. Thus, this code must |
51 | * also be a bit ugly in certain places. Please forgive me. =/ |
52 | * |
53 | * This also means that there might be some pieces of the code that |
54 | * look completely illogical to you, and you think that you may make |
55 | * them much neater/better. However, in many cases it might just be |
56 | * that it's required to cope with some oddity of the protocol, such |
57 | * as the amazingly ugly delayed key response in the peer protocol. |
58 | */ |
59 | |
60 | /* I assume this is the correct character set to use for DC, |
61 | * considering it was developed without i18n support under Windows */ |
62 | #define DCCHARSET "windows-1252" |
63 | |
64 | #ifdef DCPP_MASQUERADE |
65 | /* |
66 | * I honestly don't want to pretend being a client that I'm not, but |
67 | * there are so many hubs that simply do not accept any clients |
68 | * outside their whitelists, for no obvious reasons, so I feel that I |
69 | * am left with little choice. Anyhow, as long as I actually support |
70 | * all the features that my faked DC++ version does, there should be |
71 | * very little harm done. |
72 | */ |
73 | #define DCIDTAG "++" |
74 | #define DCIDTAGV "0.674" |
75 | #define DCIDFULL "DC++ 0.674" |
76 | #else |
77 | #define DCIDTAG "Dolda" |
78 | #define DCIDTAGV VERSION |
79 | #define DCIDFULL "DoldaConnect " VERSION |
80 | #endif |
81 | |
82 | #define PEER_CMD 0 |
9a2d6cb8 |
83 | #define PEER_STOP 1 |
84 | #define PEER_TRNS 2 |
85 | #define PEER_SYNC 3 |
86 | #define PEER_TTHL 4 |
d3372da9 |
87 | |
88 | #define CPRS_NONE 0 |
89 | #define CPRS_ZLIB 1 |
90 | |
91 | struct command |
92 | { |
93 | char *name; |
94 | void (*handler)(struct socket *sk, void *data, char *cmd, char *args); |
9a2d6cb8 |
95 | int stop; |
d3372da9 |
96 | }; |
97 | |
98 | struct qcommand |
99 | { |
100 | struct qcommand *next; |
101 | char *string; |
102 | }; |
103 | |
104 | struct dchub |
105 | { |
106 | char *inbuf; |
107 | size_t inbufdata, inbufsize; |
108 | struct qcommand *queue; |
1c4b02cd |
109 | int extended, dcppemu; |
1d85f24b |
110 | char *charset; |
d3372da9 |
111 | char *nativename; |
112 | char *nativenick; |
113 | }; |
114 | |
115 | struct dcexppeer |
116 | { |
117 | struct dcexppeer *next, *prev; |
118 | char *nick; |
119 | struct fnetnode *fn; |
120 | struct timer *expire; |
121 | }; |
122 | |
123 | struct dcpeer |
124 | { |
125 | struct dcpeer *next, *prev; |
126 | struct socket *sk; |
127 | struct fnetnode *fn; |
128 | char *inbuf; |
129 | size_t inbufdata, inbufsize; |
9a2d6cb8 |
130 | size_t curread, totalsize; |
d3372da9 |
131 | int freeing; |
1e9d82b1 |
132 | struct timer *timeout; |
d3372da9 |
133 | struct qcommand *queue; |
134 | struct transfer *transfer; |
135 | int state; |
136 | int ptclose; /* Close after transfer is complete */ |
137 | int accepted; /* If false, we connected, otherwise, we accepted */ |
1c4b02cd |
138 | int extended, dcppemu; |
d3372da9 |
139 | int direction; /* Using the constants from transfer.h */ |
140 | int compress; |
df873cd0 |
141 | int hascurpos, fetchingtthl, notthl; |
9a2d6cb8 |
142 | struct tigertreehash tth; |
1d85f24b |
143 | char *charset; |
d3372da9 |
144 | void *cprsdata; |
d3372da9 |
145 | char *key; |
146 | char *nativename; |
147 | char **supports; |
148 | wchar_t *wcsname; |
149 | }; |
150 | |
151 | static struct fnet dcnet; |
152 | static struct transferiface dctransfer; |
153 | static struct socket *udpsock = NULL; |
154 | static struct socket *tcpsock = NULL; |
155 | static struct dcpeer *peers = NULL; |
156 | int numdcpeers = 0; |
157 | static struct dcexppeer *expected = NULL; |
158 | static char *hmlistname = NULL; |
159 | static char *xmllistname = NULL; |
160 | static char *xmlbz2listname = NULL; |
161 | |
162 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn); |
163 | static void freedcpeer(struct dcpeer *peer); |
164 | static void transread(struct socket *sk, struct dcpeer *peer); |
165 | static void transerr(struct socket *sk, int err, struct dcpeer *peer); |
166 | static void transwrite(struct socket *sk, struct dcpeer *peer); |
167 | static void updatehmlist(void); |
168 | static void updatexmllist(void); |
169 | static void updatexmlbz2list(void); |
9a2d6cb8 |
170 | static void requestfile(struct dcpeer *peer); |
d3372da9 |
171 | |
172 | static int reservedchar(unsigned char c) |
173 | { |
174 | return((c == 0) || (c == 5) || (c == 124) || (c == 96) || (c == 126) || (c == 36)); |
175 | } |
176 | |
177 | /* Oh, how I despise having to do this... */ |
178 | static char *dcmakekey(char *lock) |
179 | { |
180 | int i, len, offset; |
181 | char *buf, *key; |
182 | char save; |
183 | |
184 | buf = smalloc(strlen(lock)); |
185 | save = 5; |
186 | len = 0; |
187 | for(i = 0; lock[i]; i++) |
188 | { |
189 | buf[i] = lock[i] ^ save; |
190 | buf[i] = ((buf[i] & 0x0F) << 4) | ((buf[i] & 0xF0) >> 4); |
191 | save = lock[i]; |
192 | if((i != 0) && reservedchar(buf[i])) |
193 | len += 10; |
194 | else |
195 | len++; |
196 | } |
197 | buf[0] ^= buf[i - 1]; |
198 | if(reservedchar(buf[0])) |
199 | len += 10; |
200 | else |
201 | len++; |
202 | key = smalloc(len + 1); |
203 | offset = 0; |
204 | for(i = 0; lock[i] != 0; i++) |
205 | { |
206 | if(reservedchar(buf[i])) |
207 | offset += sprintf(key + offset, "/%%DCN%03i%%/", buf[i]); |
208 | else |
209 | key[offset++] = buf[i]; |
210 | } |
211 | key[offset] = 0; |
212 | free(buf); |
213 | return(key); |
214 | } |
215 | |
9a2d6cb8 |
216 | static char *pathnmdc2adc(char *path) |
217 | { |
218 | char *ret; |
219 | size_t retsize, retdata; |
220 | |
221 | if(!strcmp(path, "files.xml") || !strcmp(path, "files.xml.bz2") || !strcmp(path, "MyList.DcLst")) |
222 | return(sstrdup(path)); |
223 | ret = NULL; |
224 | retsize = retdata = 0; |
225 | addtobuf(ret, '/'); |
226 | for(; *path; path++) |
227 | { |
228 | if(*path == '\\') |
229 | addtobuf(ret, '/'); |
230 | else |
231 | addtobuf(ret, *path); |
232 | } |
233 | addtobuf(ret, 0); |
234 | return(ret); |
235 | } |
236 | |
237 | static int isdchash(struct hash *hash) |
238 | { |
239 | if(wcscmp(hash->algo, L"TTH")) |
240 | return(0); |
241 | if(hash->len != 24) |
242 | return(0); |
243 | return(1); |
244 | } |
245 | |
246 | static int supports(struct dcpeer *peer, char *cap) |
247 | { |
248 | char **p; |
249 | |
250 | if(peer->supports == NULL) |
251 | return(0); |
252 | for(p = peer->supports; *p != NULL; p++) |
253 | { |
254 | if(!strcasecmp(*p, cap)) |
255 | return(1); |
256 | } |
257 | return(0); |
258 | } |
259 | |
d3372da9 |
260 | static void endcompress(struct dcpeer *peer) |
261 | { |
262 | if(peer->compress == CPRS_ZLIB) |
263 | { |
264 | deflateEnd(peer->cprsdata); |
265 | free(peer->cprsdata); |
266 | } |
267 | peer->compress = CPRS_NONE; |
268 | } |
269 | |
270 | static void initcompress(struct dcpeer *peer, int algo) |
271 | { |
272 | int ret; |
273 | |
274 | endcompress(peer); |
275 | peer->compress = algo; |
276 | if(algo == CPRS_ZLIB) |
277 | { |
278 | peer->cprsdata = smalloc(sizeof(z_stream)); |
279 | memset(peer->cprsdata, 0, sizeof(z_stream)); |
280 | if((ret = deflateInit(peer->cprsdata, 3)) != Z_OK) |
281 | { |
282 | flog(LOG_CRIT, "Aiya! zlib refuses to init (%i)!", ret); |
283 | abort(); |
284 | } |
285 | } |
286 | } |
287 | |
288 | static void unquote(wchar_t *in) |
289 | { |
290 | wchar_t *p, *p2, nc; |
291 | |
292 | for(p = in; *p != L'\0'; p++) |
293 | { |
294 | if(*p == L'&') |
295 | { |
296 | for(p2 = p + 1; (*p2 != L'\0') && (*p2 != L';') && (*p2 != L'&'); p2++); |
297 | if(*p2 == L'&') |
298 | continue; |
299 | if(*p2 == L'\0') |
300 | return; |
301 | *p2 = L'\0'; |
302 | nc = L'\0'; |
303 | if(!wcscmp(p + 1, L"amp")) |
304 | { |
305 | nc = L'&'; |
306 | } else if(p[1] == L'#') { |
307 | nc = ucptowc(wcstol(p + 2, NULL, 10)); |
308 | } |
309 | if(nc == L'\0') |
310 | { |
311 | *p2 = L';'; |
312 | p = p2; |
313 | continue; |
314 | } |
315 | *p = nc; |
316 | memmove(p + 1, p2 + 1, (wcslen(p2 + 1) + 1) * sizeof(wchar_t)); |
317 | } |
318 | } |
319 | } |
320 | |
321 | static void freeexppeer(struct dcexppeer *ep) |
322 | { |
323 | if(ep->next != NULL) |
324 | ep->next->prev = ep->prev; |
325 | if(ep->prev != NULL) |
326 | ep->prev->next = ep->next; |
327 | if(ep == expected) |
328 | expected = ep->next; |
329 | free(ep->nick); |
330 | putfnetnode(ep->fn); |
331 | if(ep->expire != NULL) |
332 | canceltimer(ep->expire); |
333 | free(ep); |
334 | } |
335 | |
336 | static void exppeerexpire(int cancelled, struct dcexppeer *ep) |
337 | { |
338 | ep->expire = NULL; |
339 | if(!cancelled) |
340 | freeexppeer(ep); |
341 | } |
342 | |
343 | static struct dcexppeer *expectpeer(char *nick, struct fnetnode *fn) |
344 | { |
345 | struct dcexppeer *ep; |
346 | |
347 | ep = smalloc(sizeof(*ep)); |
348 | ep->nick = sstrdup(nick); |
349 | getfnetnode(ep->fn = fn); |
350 | ep->expire = timercallback(ntime() + 300, (void (*)(int, void *))exppeerexpire, ep); |
351 | ep->next = expected; |
352 | ep->prev = NULL; |
353 | if(expected != NULL) |
354 | expected->prev = ep; |
355 | expected = ep; |
356 | return(ep); |
357 | } |
358 | |
359 | static struct qcommand *newqcmd(struct qcommand **queue, char *string) |
360 | { |
361 | struct qcommand *new; |
362 | |
363 | while(*queue != NULL) |
364 | queue = &(*queue)->next; |
365 | new = smalloc(sizeof(*new)); |
366 | new->string = sstrdup(string); |
367 | new->next = *queue; |
368 | *queue = new; |
369 | return(new); |
370 | } |
371 | |
372 | static struct qcommand *ulqcmd(struct qcommand **queue) |
373 | { |
374 | struct qcommand *qcmd; |
375 | |
376 | if((qcmd = *queue) == NULL) |
377 | return(NULL); |
378 | *queue = qcmd->next; |
379 | return(qcmd); |
380 | } |
381 | |
382 | static void freeqcmd(struct qcommand *qcmd) |
383 | { |
384 | free(qcmd->string); |
385 | free(qcmd); |
386 | } |
387 | |
388 | static void hubrecvchat(struct socket *sk, struct fnetnode *fn, char *from, char *string) |
389 | { |
390 | wchar_t *chat, *wfrom, *wpeer; |
391 | char *p, *end; |
392 | struct fnetpeer *peer; |
1d85f24b |
393 | struct dchub *hub; |
d3372da9 |
394 | |
1d85f24b |
395 | hub = fn->data; |
d3372da9 |
396 | end = string + strlen(string); |
397 | while((p = strchr(string, 13)) != NULL) |
398 | memmove(p, p + 1, (end-- - p)); |
399 | if(from != NULL) |
400 | { |
401 | if((strlen(string) > strlen(from) + 2) && (*string == '<') && !memcmp(string + 1, from, strlen(from)) && (*(string + strlen(from) + 1) == '>')) |
402 | string += strlen(from) + 2; |
1d85f24b |
403 | if((wfrom = icmbstowcs(from, hub->charset)) == NULL) |
d3372da9 |
404 | return; |
405 | wpeer = swcsdup(wfrom); |
406 | } else { |
407 | wfrom = NULL; |
408 | wpeer = NULL; |
409 | if(*string == '<') |
410 | { |
411 | for(p = string + 1; *p; p++) |
412 | { |
413 | if((*p == ' ') || (*p == '>')) |
414 | break; |
415 | } |
416 | if(*p == '>') |
417 | { |
418 | *(p++) = 0; |
419 | if(*p == ' ') |
420 | p++; |
1d85f24b |
421 | if((wpeer = icmbstowcs(string + 1, hub->charset)) == NULL) |
d3372da9 |
422 | return; |
423 | string = p; |
424 | } |
425 | } |
426 | if(wpeer == NULL) |
427 | wpeer = swcsdup(L""); |
428 | } |
1d85f24b |
429 | if((chat = icmbstowcs(string, hub->charset)) == NULL) |
d3372da9 |
430 | { |
431 | if(wfrom != NULL) |
432 | free(wfrom); |
433 | free(wpeer); |
434 | return; |
435 | } |
436 | unquote(chat); |
437 | if(wfrom != NULL) |
438 | { |
439 | if((peer = fnetfindpeer(fn, wfrom)) == NULL) /* Assume public chat */ |
440 | fnethandlechat(fn, 1, wfrom, wpeer, chat); |
441 | else |
442 | fnethandlechat(fn, 0, wfrom, wpeer, chat); |
443 | } else { |
444 | fnethandlechat(fn, 1, L"", wpeer, chat); |
445 | } |
446 | if(wfrom != NULL) |
447 | free(wfrom); |
448 | free(wpeer); |
449 | free(chat); |
450 | } |
451 | |
1e9d82b1 |
452 | static void peertimeout(int cancelled, struct dcpeer *peer) |
453 | { |
454 | peer->timeout = NULL; |
455 | if(cancelled) |
456 | return; |
457 | freedcpeer(peer); |
458 | } |
459 | |
d3372da9 |
460 | static void sendadc(struct socket *sk, char *arg) |
461 | { |
462 | char *buf; |
463 | size_t bufsize, bufdata; |
464 | |
465 | buf = NULL; |
466 | bufsize = bufdata = 0; |
467 | addtobuf(buf, ' '); |
468 | for(; *arg; arg++) |
469 | { |
470 | if(*arg == ' ') |
471 | { |
472 | bufcat(buf, "\\s", 2); |
473 | } else if(*arg == '\n') { |
474 | bufcat(buf, "\\n", 2); |
475 | } else if(*arg == '\\') { |
476 | bufcat(buf, "\\\\", 2); |
477 | } else { |
478 | addtobuf(buf, *arg); |
479 | } |
480 | } |
481 | sockqueue(sk, buf, bufdata); |
482 | free(buf); |
483 | } |
484 | |
485 | static void sendadcf(struct socket *sk, char *arg, ...) |
486 | { |
487 | char *buf; |
488 | va_list args; |
489 | |
490 | va_start(args, arg); |
491 | buf = vsprintf2(arg, args); |
492 | va_end(args); |
493 | if(buf == NULL) |
494 | return; |
495 | sendadc(sk, buf); |
496 | free(buf); |
497 | } |
498 | |
499 | static char **parseadc(char *args) |
500 | { |
501 | char **retbuf; |
502 | size_t retbufsize, retbufdata; |
503 | char *buf; |
504 | size_t bufsize, bufdata; |
505 | int state; |
506 | |
507 | retbuf = NULL; |
508 | buf = NULL; |
509 | retbufsize = retbufdata = bufsize = bufdata = 0; |
510 | state = 0; |
511 | while(state != 3) |
512 | { |
513 | switch(state) |
514 | { |
515 | case 0: |
516 | if(*args == 0) |
517 | state = 3; |
518 | else if(*args != ' ') |
519 | state = 1; |
520 | break; |
521 | case 1: |
522 | if((*args == ' ') || (*args == 0)) |
523 | { |
524 | addtobuf(buf, 0); |
525 | addtobuf(retbuf, buf); |
526 | buf = NULL; |
527 | bufsize = bufdata = 0; |
528 | if(*args == 0) |
529 | state = 3; |
530 | } else if(*args == '\\') { |
531 | state = 2; |
532 | } else { |
533 | addtobuf(buf, *args); |
534 | } |
535 | args++; |
536 | break; |
537 | case 2: |
538 | if(*args == 0) |
539 | { |
540 | if(buf != NULL) |
541 | free(buf); |
542 | addtobuf(retbuf, NULL); |
543 | freeparr(retbuf); |
544 | return(NULL); |
f24d5cfb |
545 | } else if((*args == 's') || (*args == ' ')) { |
d3372da9 |
546 | addtobuf(buf, ' '); |
547 | } else if(*args == 'n') { |
548 | addtobuf(buf, '\n'); |
549 | } else if(*args == '\\') { |
550 | addtobuf(buf, '\\'); |
551 | } |
a478552c |
552 | args++; |
d3372da9 |
553 | state = 1; |
a478552c |
554 | break; |
d3372da9 |
555 | } |
556 | } |
557 | if(buf != NULL) |
558 | free(buf); |
559 | addtobuf(retbuf, NULL); |
560 | return(retbuf); |
561 | } |
562 | |
563 | /* Macros useful in command handlers */ |
564 | #define skipspace(s) ({if(((s) = strchr((s), ' ')) == NULL) return; else (s)++;}) |
565 | #define qstr(sk, str) sockqueue(sk, str, strlen(str)) |
566 | #define qstrf(sk, strandargs...) \ |
567 | do { \ |
568 | char *__buf__; \ |
569 | if((__buf__ = sprintf2(strandargs)) != NULL) { \ |
570 | sockqueue(sk, __buf__, strlen(__buf__)); \ |
571 | free(__buf__); \ |
572 | } \ |
573 | } while(0) |
574 | |
575 | static char *tr(char *str, char *trans) |
576 | { |
577 | char *p; |
578 | |
579 | for(; *trans; trans += 2) |
580 | { |
581 | for(p = strchr(str, trans[0]); p != NULL; p = strchr(p, trans[0])) |
582 | *p = trans[1]; |
583 | } |
584 | return(str); |
585 | } |
586 | |
9a2d6cb8 |
587 | static char *getadcid(struct dcpeer *peer) |
588 | { |
589 | char *buf; |
590 | char *ret; |
d57f938a |
591 | int isfilelist; |
9a2d6cb8 |
592 | |
2a157d1a |
593 | isfilelist = 0; |
d57f938a |
594 | if(!wcscmp(peer->transfer->path, L"files.xml") || !wcscmp(peer->transfer->path, L"files.xml.bz2") || !wcscmp(peer->transfer->path, L"MyList.DcLst")) |
595 | isfilelist = 1; |
596 | if(!isfilelist && (peer->transfer->hash != NULL) && isdchash(peer->transfer->hash) && supports(peer, "tthf")) |
9a2d6cb8 |
597 | { |
598 | buf = base32encode(peer->transfer->hash->buf, 24); |
599 | ret = sprintf2("TTH/%.39s", buf); |
600 | free(buf); |
601 | } else { |
602 | if((buf = icwcstombs(peer->transfer->path, "UTF-8")) == NULL) |
603 | return(NULL); |
604 | ret = pathnmdc2adc(buf); |
605 | free(buf); |
606 | } |
607 | return(ret); |
608 | } |
609 | |
610 | |
d3372da9 |
611 | static int trresumecb(struct transfer *transfer, wchar_t *cmd, wchar_t *arg, struct dcpeer *peer) |
612 | { |
613 | if(!wcscmp(cmd, L"resume")) |
614 | { |
615 | if(arg == NULL) |
616 | { |
617 | flog(LOG_WARNING, "filter returned no position for \"resume\" on transfer %i", transfer->id); |
618 | freedcpeer(peer); |
619 | } else { |
620 | transfer->curpos = wcstol(arg, NULL, 10); |
9a2d6cb8 |
621 | peer->hascurpos = 1; |
622 | requestfile(peer); |
d3372da9 |
623 | } |
d3372da9 |
624 | return(1); |
625 | } |
626 | return(0); |
627 | } |
628 | |
9a2d6cb8 |
629 | static void sendmynick(struct dcpeer *peer) |
d3372da9 |
630 | { |
1d85f24b |
631 | struct fnetnode *fn; |
d3372da9 |
632 | |
1d85f24b |
633 | fn = peer->fn; |
634 | if(fn == NULL) |
635 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 |
636 | else |
1d85f24b |
637 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(fn->mynick, peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 |
638 | } |
639 | |
640 | static void sendpeerlock(struct dcpeer *peer) |
641 | { |
1c4b02cd |
642 | if(peer->dcppemu) |
643 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|"); |
644 | else |
645 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION); |
9a2d6cb8 |
646 | } |
647 | |
648 | static void sendsupports(struct dcpeer *peer) |
649 | { |
1c4b02cd |
650 | if(peer->dcppemu) |
651 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |"); |
652 | else |
653 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG|"); |
9a2d6cb8 |
654 | } |
655 | |
656 | static void requestfile(struct dcpeer *peer) |
657 | { |
658 | char *buf; |
659 | |
660 | if(peer->transfer->size == -1) |
d3372da9 |
661 | { |
1d85f24b |
662 | /* Use DCCHARSET for $Get paths until further researched... */ |
9a2d6cb8 |
663 | if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL) |
d3372da9 |
664 | { |
9a2d6cb8 |
665 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
666 | freedcpeer(peer); |
d3372da9 |
667 | return; |
668 | } |
9a2d6cb8 |
669 | /* The transfer will be restarted later from |
670 | * cmd_filelength when it detects that the sizes |
671 | * don't match. */ |
672 | qstrf(peer->sk, "$Get %s$1|", buf); |
673 | return; |
d3372da9 |
674 | } |
9a2d6cb8 |
675 | if((peer->transfer->hash == NULL) && !peer->notthl) |
d3372da9 |
676 | { |
9a2d6cb8 |
677 | if(supports(peer, "adcget") && supports(peer, "tthl")) |
d3372da9 |
678 | { |
9a2d6cb8 |
679 | qstr(peer->sk, "$ADCGET"); |
680 | sendadc(peer->sk, "tthl"); |
681 | if((buf = getadcid(peer)) == NULL) |
d3372da9 |
682 | { |
9a2d6cb8 |
683 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
d3372da9 |
684 | freedcpeer(peer); |
685 | return; |
686 | } |
9a2d6cb8 |
687 | sendadc(peer->sk, buf); |
688 | free(buf); |
689 | sendadc(peer->sk, "0"); |
690 | sendadc(peer->sk, "-1"); |
691 | qstr(peer->sk, "|"); |
df873cd0 |
692 | peer->fetchingtthl = 1; |
9a2d6cb8 |
693 | return; |
694 | } |
695 | } |
696 | if(!peer->hascurpos) |
697 | { |
698 | if(forkfilter(peer->transfer)) |
699 | { |
700 | flog(LOG_WARNING, "could not fork filter for transfer %i: %s", peer->transfer->id, strerror(errno)); |
701 | freedcpeer(peer); |
702 | return; |
d3372da9 |
703 | } |
9a2d6cb8 |
704 | CBREG(peer->transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer); |
705 | return; |
706 | } |
707 | if(supports(peer, "adcget")) |
708 | { |
709 | qstr(peer->sk, "$ADCGET"); |
710 | sendadc(peer->sk, "file"); |
711 | if((buf = getadcid(peer)) == NULL) |
712 | { |
713 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
714 | freedcpeer(peer); |
715 | return; |
716 | } |
717 | sendadc(peer->sk, buf); |
718 | free(buf); |
719 | sendadcf(peer->sk, "%i", peer->transfer->curpos); |
720 | sendadcf(peer->sk, "%i", peer->transfer->size - peer->transfer->curpos); |
721 | qstr(peer->sk, "|"); |
722 | } else if(supports(peer, "xmlbzlist")) { |
723 | if((buf = icswcstombs(peer->transfer->path, "UTF-8", NULL)) == NULL) |
724 | { |
725 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
726 | freedcpeer(peer); |
727 | return; |
728 | } |
729 | qstrf(peer->sk, "$UGetBlock %i %i %s|", peer->transfer->curpos, peer->transfer->size - peer->transfer->curpos, buf); |
d3372da9 |
730 | } else { |
1d85f24b |
731 | /* Use DCCHARSET for $Get paths until further researched... */ |
9a2d6cb8 |
732 | if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL) |
d3372da9 |
733 | { |
9a2d6cb8 |
734 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
735 | freedcpeer(peer); |
736 | return; |
d3372da9 |
737 | } |
9a2d6cb8 |
738 | qstrf(peer->sk, "$Get %s$%i|", buf, peer->transfer->curpos + 1); |
d3372da9 |
739 | } |
740 | } |
741 | |
742 | static void sendmyinfo(struct socket *sk, struct fnetnode *fn) |
743 | { |
744 | struct dchub *hub; |
745 | char *buf; |
746 | struct fnetnode *cfn; |
69757b8c |
747 | int hn1, hn2, hn3; |
d3372da9 |
748 | |
749 | hub = fn->data; |
750 | qstrf(sk, "$MyINFO $ALL %s ", hub->nativenick); |
1d85f24b |
751 | buf = tr(icswcstombs(confgetstr("dc", "desc"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
752 | qstrf(sk, "%s", buf); |
69757b8c |
753 | hn1 = hn2 = hn3 = 0; |
d3372da9 |
754 | for(cfn = fnetnodes; cfn != NULL; cfn = cfn->next) |
755 | { |
756 | if((cfn->state == FNN_EST) || (cfn->state == FNN_HS)) |
69757b8c |
757 | { |
758 | if(cfn->regstatus == FNNS_OP) |
759 | hn3++; |
760 | else if(cfn->regstatus == FNNS_REG) |
761 | hn2++; |
762 | else |
763 | hn1++; |
764 | } |
d3372da9 |
765 | } |
69757b8c |
766 | qstrf(sk, "<%s V:%s,M:%c,H:%i/%i/%i,S:%i>", |
1c4b02cd |
767 | (hub->dcppemu)?"++":"Dolda", |
768 | (hub->dcppemu)?"0.674":VERSION, |
d3372da9 |
769 | (tcpsock == NULL)?'P':'A', |
69757b8c |
770 | hn1, hn2, hn3, |
d3372da9 |
771 | confgetint("transfer", "slots") |
772 | ); |
773 | qstrf(sk, "$ $"); |
1d85f24b |
774 | buf = tr(icswcstombs(confgetstr("dc", "speedstring"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
775 | qstrf(sk, "%s\x01$", buf); |
1d85f24b |
776 | buf = tr(icswcstombs(confgetstr("dc", "email"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
777 | qstrf(sk, "%s$", buf); |
778 | qstrf(sk, "%llu$|", sharesize); |
779 | } |
780 | |
781 | static void hubhandleaction(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
782 | { |
783 | struct dchub *hub; |
784 | |
785 | hub = fn->data; |
786 | if(!strcmp(cmd, "$Lock")) |
787 | { |
788 | qstrf(sk, "$ValidateNick %s|", hub->nativenick); |
789 | } else if(!strcmp(cmd, "$Hello")) { |
790 | if(fn->state == FNN_HS) |
791 | { |
792 | qstrf(sk, "$Version 1,0091|"); |
793 | qstrf(sk, "$GetNickList|"); |
794 | sendmyinfo(sk, fn); |
795 | fnetsetstate(fn, FNN_EST); |
796 | } else { |
797 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); |
798 | } |
799 | } |
800 | } |
801 | |
802 | static void cmd_lock(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
803 | { |
804 | struct dchub *hub; |
805 | char *key; |
806 | char *p; |
807 | |
808 | hub = fn->data; |
809 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) |
810 | hub->extended = 1; |
811 | if((p = strchr(args, ' ')) != NULL) |
812 | *(p++) = 0; |
813 | if(hub->extended) |
814 | { |
1c4b02cd |
815 | if(hub->dcppemu) |
816 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock |"); |
817 | else |
818 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock|"); |
d3372da9 |
819 | } |
820 | key = dcmakekey(args); |
821 | qstrf(sk, "$Key %s|", key); |
822 | free(key); |
823 | hubhandleaction(sk, fn, cmd, args); |
824 | } |
825 | |
826 | static void cmd_hubname(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
827 | { |
828 | wchar_t *buf; |
829 | struct dchub *hub; |
830 | |
831 | hub = fn->data; |
832 | if(hub->nativename == NULL) |
833 | free(hub->nativename); |
834 | hub->nativename = sstrdup(args); |
1d85f24b |
835 | buf = icmbstowcs(args, hub->charset); |
d3372da9 |
836 | fnetsetname(fn, (buf == NULL)?L"Hubname conv error":buf); |
837 | if(buf != NULL) |
838 | free(buf); |
839 | hubhandleaction(sk, fn, cmd, args); |
840 | } |
841 | |
842 | static void cmd_hello(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
843 | { |
844 | wchar_t *nick; |
845 | struct dchub *hub; |
846 | |
847 | hub = fn->data; |
1d85f24b |
848 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 |
849 | return; |
850 | if(strcmp(args, hub->nativenick) && (fnetfindpeer(fn, nick) == NULL)) |
851 | fnetaddpeer(fn, nick, nick); |
852 | free(nick); |
853 | hubhandleaction(sk, fn, cmd, args); |
854 | } |
855 | |
856 | static void cmd_quit(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
857 | { |
858 | wchar_t *nick; |
859 | struct fnetpeer *peer; |
860 | struct dchub *hub; |
861 | |
862 | hub = fn->data; |
1d85f24b |
863 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 |
864 | return; |
865 | if((peer = fnetfindpeer(fn, nick)) != NULL) |
866 | fnetdelpeer(peer); |
867 | free(nick); |
868 | hubhandleaction(sk, fn, cmd, args); |
869 | } |
870 | |
871 | static void cmd_nicklist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
872 | { |
873 | struct dchub *hub; |
874 | char *p; |
875 | wchar_t *buf; |
876 | struct fnetpeer *peer, *npeer; |
877 | |
878 | hub = fn->data; |
879 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
880 | peer->flags.b.delete = 1; |
881 | while((p = strstr(args, "$$")) != NULL) |
882 | { |
883 | *p = 0; |
1d85f24b |
884 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 |
885 | { |
886 | if((peer = fnetfindpeer(fn, buf)) == NULL) |
887 | peer = fnetaddpeer(fn, buf, buf); |
888 | else |
889 | peer->flags.b.delete = 0; |
890 | free(buf); |
891 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); |
892 | } |
893 | args = p + 2; |
894 | } |
895 | for(peer = fn->peers; peer != NULL; peer = npeer) |
896 | { |
897 | npeer = peer->next; |
898 | if(peer->flags.b.delete) |
899 | fnetdelpeer(peer); |
900 | } |
901 | hubhandleaction(sk, fn, cmd, args); |
902 | } |
903 | |
904 | static void cmd_oplist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
905 | { |
906 | struct dchub *hub; |
907 | char *p; |
908 | wchar_t *buf; |
909 | struct fnetpeer *peer; |
910 | |
911 | hub = fn->data; |
912 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
913 | peer->flags.b.op = 0; |
914 | while((p = strstr(args, "$$")) != NULL) |
915 | { |
916 | *p = 0; |
1d85f24b |
917 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 |
918 | { |
919 | if((peer = fnetfindpeer(fn, buf)) != NULL) |
920 | peer->flags.b.op = 1; |
921 | free(buf); |
922 | } |
923 | args = p + 2; |
924 | } |
925 | hubhandleaction(sk, fn, cmd, args); |
926 | } |
927 | |
928 | static void cmd_myinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
929 | { |
930 | char *p, *p2; |
931 | wchar_t *buf, *wp, *wp2; |
932 | wchar_t abuf[10]; |
933 | struct fnetpeer *peer; |
934 | struct dchub *hub; |
935 | |
936 | hub = fn->data; |
937 | p = args; |
938 | if(strncmp(p, "$ALL ", 5)) |
939 | return; |
940 | p += 5; |
941 | if((p2 = strchr(p, ' ')) == NULL) |
942 | return; |
943 | *p2 = 0; |
1d85f24b |
944 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
945 | return; |
946 | if((peer = fnetfindpeer(fn, buf)) == NULL) |
947 | peer = fnetaddpeer(fn, buf, buf); |
948 | free(buf); |
949 | p = p2 + 1; |
950 | if((p2 = strstr(p, "$ $")) == NULL) |
951 | return; |
952 | *p2 = 0; |
1d85f24b |
953 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
954 | return; |
316e9a13 |
955 | if((wcslen(buf) > 0) && (buf[wcslen(buf) - 1] == L'>') && ((wp = wcsrchr(buf, L'<')) != NULL)) |
d3372da9 |
956 | { |
957 | buf[wcslen(buf) - 1] = L'\0'; |
958 | *(wp++) = L'\0'; |
959 | if((wp2 = wcschr(wp, L' ')) != NULL) |
960 | { |
961 | *(wp2++) = L'\0'; |
962 | fnetpeersetstr(peer, L"dc-client", wp); |
963 | wp = wp2; |
964 | do |
965 | { |
966 | if((wp2 = wcschr(wp, L',')) != NULL) |
967 | *(wp2++) = L'\0'; |
968 | if(wp[1] != L':') |
969 | continue; |
970 | swprintf(abuf, 10, L"dc-tag-%lc", wp[0]); |
971 | fnetpeersetstr(peer, abuf, wp + 2); |
972 | wp = wp2; |
973 | } while(wp2 != NULL); |
974 | } |
975 | } |
976 | fnetpeersetstr(peer, L"descr", buf); |
977 | free(buf); |
978 | p = p2 + 3; |
979 | if((p2 = strchr(p, '$')) == NULL) |
980 | return; |
981 | *(p2 - 1) = 0; |
1d85f24b |
982 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
983 | return; |
984 | fnetpeersetstr(peer, L"dc-speed", buf); |
985 | free(buf); |
986 | p = p2 + 1; |
987 | if((p2 = strchr(p, '$')) == NULL) |
988 | return; |
989 | *p2 = 0; |
1d85f24b |
990 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
991 | return; |
992 | fnetpeersetstr(peer, L"email", buf); |
993 | free(buf); |
994 | p = p2 + 1; |
995 | if(strlen(p) < 1) |
996 | return; |
997 | fnetpeersetlnum(peer, L"share", strtoll(p, NULL, 10)); |
998 | hubhandleaction(sk, fn, cmd, args); |
999 | } |
1000 | |
1001 | /* I do not implement the fully in that I do not disconnect from the |
1002 | * old hub. I do this since I believe that if the hub owner really |
1003 | * wants to get rid of us, then it is his responsibility to disconnect |
1004 | * us. */ |
1005 | static void cmd_forcemove(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1006 | { |
1007 | struct dchub *hub; |
1008 | struct fnetnode *newfn; |
1009 | int freeargs; |
1010 | |
1011 | hub = fn->data; |
1012 | if(strchr(args, ':') == NULL) |
1013 | { |
1014 | args = strcpy(smalloc(strlen(args) + 5), args); |
1015 | strcat(args, ":411"); |
1016 | freeargs = 1; |
1017 | } else { |
1018 | freeargs = 0; |
1019 | } |
efc05613 |
1020 | if((newfn = fnetinitconnect(L"dc", args, NULL)) != NULL) |
d3372da9 |
1021 | { |
1022 | linkfnetnode(newfn); |
1023 | putfnetnode(newfn); |
1024 | } |
1025 | hubhandleaction(sk, fn, cmd, args); |
1026 | if(freeargs) |
1027 | free(args); |
1028 | } |
1029 | |
1d85f24b |
1030 | static char *getdcpath(struct sharecache *node, size_t *retlen, char *charset) |
d3372da9 |
1031 | { |
1032 | char *buf, *buf2; |
1033 | size_t len, len2; |
1034 | |
1035 | if(node->parent == NULL) |
1036 | return(NULL); |
1037 | if(node->parent == shareroot) |
1038 | { |
1d85f24b |
1039 | if((buf = icwcstombs(node->name, charset)) == NULL) |
d3372da9 |
1040 | return(NULL); |
1041 | if(retlen != NULL) |
1042 | *retlen = strlen(buf); |
1043 | return(buf); |
1044 | } else { |
1d85f24b |
1045 | if((buf2 = icwcstombs(node->name, charset)) == NULL) |
d3372da9 |
1046 | return(NULL); |
1d85f24b |
1047 | if((buf = getdcpath(node->parent, &len, charset)) == NULL) |
d3372da9 |
1048 | { |
1049 | free(buf2); |
1050 | return(NULL); |
1051 | } |
1052 | len2 = strlen(buf2); |
1053 | buf = srealloc(buf, len + 1 + len2 + 1); |
1054 | buf[len++] = '\\'; |
1055 | strcpy(buf + len, buf2); |
1056 | buf[len + len2] = 0; |
1057 | free(buf2); |
1058 | if(retlen != NULL) |
1059 | *retlen = len + len2; |
1060 | return(buf); |
1061 | } |
1062 | } |
1063 | |
1064 | /* |
1065 | * This is the main share searching function for Direct Connect |
1066 | * peers. Feel free to optimize it if you feel the need for it. I |
1067 | * haven't ever seen it take any noticable CPU time anyway, so I |
1068 | * haven't felt that need. |
1069 | * |
1070 | * It may feel dubious to just return the directory when all terms are |
1071 | * satisfied rather than all the files in it, but it really benefits |
1072 | * everyone: Less cycles used for us, less UDP squelching for active |
1073 | * searchers, and less bandwidth waste for hubs when serving passive |
1074 | * searchers. |
1075 | */ |
1076 | static void cmd_search(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1077 | { |
1078 | int i, done; |
1079 | struct dchub *hub; |
1080 | char *p, *p2; |
1081 | char *prefix, *infix, *postfix, *buf, *buf2; |
1082 | struct socket *dsk; |
1083 | struct sockaddr_in addr; |
1084 | struct sharecache *node; |
1085 | int minsize, maxsize; |
1086 | int dotth, buflen; |
1087 | int termnum, satisfied, skipcheck; |
1088 | int level, tersat[32]; |
1089 | wchar_t *terms[32]; |
1090 | char hashtth[24]; |
1091 | |
1092 | hub = fn->data; |
1093 | if((p = strchr(args, ' ')) == NULL) |
1094 | return; |
1095 | *(p++) = 0; |
1096 | |
1097 | memset(terms, 0, sizeof(terms)); |
1098 | prefix = infix = postfix = NULL; |
1099 | dsk = NULL; |
1100 | dotth = 0; |
1101 | |
1102 | if(!strncmp(args, "Hub:", 4)) |
1103 | { |
1104 | if(!strcmp(cmd, "$MultiSearch")) |
1105 | goto out; |
1106 | if(!strcmp(args + 4, hub->nativenick)) |
1107 | goto out; |
1108 | prefix = sprintf2("$SR %s ", hub->nativenick); |
1109 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); |
1110 | postfix = sprintf2(" (%s)\005%s|", formataddress(fn->sk->remote, fn->sk->remotelen), args + 4); |
1111 | dsk = sk; |
1112 | getsock(dsk); |
1113 | } else { |
1114 | if((p2 = strchr(args, ':')) == NULL) |
1115 | goto out; |
1116 | *(p2++) = 0; |
1117 | addr.sin_family = AF_INET; |
1118 | if(!inet_aton(args, &addr.sin_addr)) |
1119 | goto out; |
1120 | addr.sin_port = htons(atoi(p2)); |
1121 | prefix = sprintf2("$SR %s ", hub->nativenick); |
1122 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); |
1123 | postfix = sprintf2(" (%s)|", formataddress(fn->sk->remote, fn->sk->remotelen)); |
1124 | netdgramconn(dsk = netdupsock(udpsock), (struct sockaddr *)&addr, sizeof(addr)); |
1125 | } |
1126 | |
1127 | minsize = maxsize = -1; |
1128 | if(*p == 0) |
1129 | goto out; |
1130 | if(*(p++) == 'T') |
1131 | minsize = 0; |
1132 | if(*(p++) != '?') |
1133 | goto out; |
1134 | if(*p == 0) |
1135 | goto out; |
9d8cf743 |
1136 | if((*(p++) == 'T') && (minsize == 0)) |
d3372da9 |
1137 | { |
1138 | maxsize = 0; |
1139 | minsize = -1; |
1140 | } |
1141 | if(*(p++) != '?') |
1142 | goto out; |
1143 | if((p2 = strchr(p, '?')) == NULL) |
1144 | goto out; |
1145 | *(p2++) = 0; |
1146 | if(minsize == 0) |
1147 | minsize = atoi(p); |
1148 | if(maxsize == 0) |
1149 | maxsize = atoi(p); |
1150 | p = p2 + 1; |
1151 | if(*(p++) != '?') |
1152 | goto out; |
1153 | termnum = 0; |
1154 | p2 = p; |
1155 | done = 0; |
1156 | while(!done) |
1157 | { |
1158 | if((*p2 == 0) || (*p2 == '$')) |
1159 | { |
1160 | if(*p2 == 0) |
1161 | done = 1; |
1162 | else |
1163 | *p2 = 0; |
1164 | if(*p) |
1165 | { |
1166 | if(!dotth && !strncmp(p, "TTH:", 4)) |
1167 | { |
1168 | dotth = 1; |
1169 | if((buf = base32decode(p + 4, &buflen)) == NULL) |
1170 | goto out; |
1171 | if(buflen != 24) |
1172 | goto out; |
1173 | memcpy(hashtth, buf, 24); |
1174 | free(buf); |
1175 | } else { |
1d85f24b |
1176 | if((terms[termnum] = icmbstowcs(p, hub->charset)) != NULL) |
d3372da9 |
1177 | termnum++; |
1178 | } |
1179 | } |
1180 | p = p2 + 1; |
1181 | if(termnum == 32) |
1182 | break; |
1183 | } |
1184 | p2++; |
1185 | } |
1186 | |
1187 | node = shareroot->child; |
1188 | level = 0; |
1189 | for(i = 0; i < termnum; i++) |
1190 | tersat[i] = -1; |
1191 | satisfied = 0; |
1192 | while(1) |
1193 | { |
1194 | skipcheck = 0; |
1195 | if(node->f.b.type == FILE_REG) |
1196 | { |
1197 | if((minsize >= 0) && (node->size < minsize)) |
1198 | skipcheck = 1; |
1199 | if((maxsize >= 0) && (node->size > maxsize)) |
1200 | skipcheck = 1; |
1201 | } |
1202 | if(!skipcheck && dotth) |
1203 | { |
1204 | if((node->f.b.type != FILE_REG) || (node->f.b.hastth && memcmp(hashtth, node->hashtth, 24))) |
1205 | skipcheck = 1; |
1206 | } |
1207 | if(!skipcheck) |
1208 | { |
1209 | for(i = 0; i < termnum; i++) |
1210 | { |
1211 | if(tersat[i] >= 0) |
1212 | continue; |
1213 | if(wcsexists(node->name, terms[i])) |
1214 | { |
1215 | tersat[i] = level; |
1216 | satisfied++; |
1217 | } else if(node->child == NULL) { |
1218 | break; |
1219 | } |
1220 | } |
1221 | } |
1222 | if(!skipcheck && (satisfied == termnum)) |
1223 | { |
1d85f24b |
1224 | /* Use DCCHARSET in $Get paths until further researched... */ |
1225 | if((buf = getdcpath(node, NULL, DCCHARSET)) != NULL) |
d3372da9 |
1226 | { |
1227 | if(node->f.b.hastth) |
1228 | { |
1229 | buf2 = base32encode(node->hashtth, 24); |
1230 | qstrf(dsk, "%s%s\005%i%sTTH:%.39s%s", prefix, buf, node->size, infix, buf2, postfix); |
1231 | free(buf2); |
1232 | } else { |
1233 | qstrf(dsk, "%s%s\005%i%s%s%s", prefix, buf, node->size, infix, hub->nativename, postfix); |
1234 | } |
1235 | free(buf); |
1236 | } |
1237 | } |
1238 | if((!skipcheck && (satisfied == termnum)) || (node->child == NULL)) |
1239 | { |
1240 | while(node->next == NULL) |
1241 | { |
1242 | if((node = node->parent) == shareroot) |
1243 | break; |
1244 | level--; |
1245 | } |
1246 | if(node == shareroot) |
1247 | break; |
1248 | for(i = 0; i < termnum; i++) |
1249 | { |
1250 | if(tersat[i] >= level) |
1251 | { |
1252 | tersat[i] = -1; |
1253 | satisfied--; |
1254 | } |
1255 | } |
1256 | node = node->next; |
1257 | } else { |
1258 | node = node->child; |
1259 | level++; |
1260 | } |
1261 | } |
1262 | |
1263 | hubhandleaction(sk, fn, cmd, args); |
1264 | |
1265 | out: |
1266 | if(dsk != NULL) |
1267 | putsock(dsk); |
1268 | if(prefix != NULL) |
1269 | free(prefix); |
1270 | if(infix != NULL) |
1271 | free(infix); |
1272 | if(postfix != NULL) |
1273 | free(postfix); |
1274 | for(i = 0; (i < 32) && (terms[i] != NULL); i++) |
1275 | free(terms[i]); |
1276 | } |
1277 | |
1278 | static void cmd_connecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1279 | { |
1280 | char *p; |
1281 | struct dchub *hub; |
1282 | struct socket *newsk; |
1283 | struct sockaddr_in addr; |
1284 | |
1285 | hub = fn->data; |
1286 | if((p = strchr(args, ' ')) == NULL) |
1287 | return; |
1288 | *(p++) = 0; |
1289 | if(strcmp(args, hub->nativenick)) |
1290 | return; |
1291 | addr.sin_family = AF_INET; |
1292 | args = p; |
1293 | if((p = strchr(args, ':')) == NULL) |
1294 | return; |
1295 | *(p++) = 0; |
1296 | addr.sin_port = htons(atoi(p)); |
1297 | if(!inet_aton(args, &addr.sin_addr)) |
1298 | return; |
1299 | newsk = netcsconn((struct sockaddr *)&addr, sizeof(addr), (void (*)(struct socket *, int, void *))peerconnect, fn); |
1300 | getfnetnode(fn); |
1301 | hubhandleaction(sk, fn, cmd, args); |
1302 | } |
1303 | |
1304 | static void sendctm(struct socket *sk, char *nick) |
1305 | { |
1306 | struct sockaddr *addr; |
1307 | socklen_t addrlen; |
1308 | |
1309 | if(tcpsock == NULL) |
1310 | return; |
1311 | if(sockgetremotename(tcpsock, &addr, &addrlen) < 0) |
1312 | return; |
1313 | if(addr->sa_family == AF_INET) |
1314 | qstrf(sk, "$ConnectToMe %s %s|", nick, formataddress(addr, addrlen)); |
1315 | else |
1316 | flog(LOG_WARNING, "Direct Connect TCP socket is suddenly not AF_INET, but %i", addr->sa_family); |
1317 | free(addr); |
1318 | } |
1319 | |
1320 | static void cmd_revconnecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1321 | { |
1322 | struct dchub *hub; |
1323 | char *p; |
1324 | |
1325 | hub = fn->data; |
1326 | if((p = strchr(args, ' ')) == NULL) |
1327 | return; |
1328 | *(p++) = 0; |
1329 | if(strcmp(p, hub->nativenick)) |
1330 | return; |
1331 | sendctm(sk, args); |
1332 | expectpeer(args, fn); |
1333 | hubhandleaction(sk, fn, cmd, args); |
1334 | } |
1335 | |
1336 | static void cmd_getnetinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1337 | { |
1338 | struct dchub *hub; |
1339 | struct fnetnode *node; |
1340 | int numhubs; |
1341 | |
1342 | hub = fn->data; |
1343 | numhubs = 0; |
1344 | for(node = fnetnodes; node != NULL; node = node->next) |
1345 | { |
1346 | if(node->state == FNN_EST) |
1347 | numhubs++; |
1348 | } |
1349 | qstrf(sk, "$NetInfo %i$%i$%c$0|", confgetint("transfer", "slots"), numhubs, (tcpsock == NULL)?'P':'A'); |
1350 | hubhandleaction(sk, fn, cmd, args); |
1351 | } |
1352 | |
1353 | static void cmd_to(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1354 | { |
1355 | struct dchub *hub; |
1356 | char *p, *p2; |
1357 | |
1358 | hub = fn->data; |
1359 | p = args; |
1360 | if((p2 = strchr(p, ' ')) == NULL) |
1361 | return; |
1362 | *(p2++) = 0; |
1363 | p = p2; |
1364 | if((p2 = strchr(p, ' ')) == NULL) |
1365 | return; |
1366 | *(p2++) = 0; |
1367 | if(strcmp(p, "From:")) |
1368 | return; |
1369 | p = p2; |
1370 | if((p2 = strstr(p, " $")) == NULL) |
1371 | return; |
1372 | *p2 = 0; |
1373 | p2 += 2; |
1374 | hubrecvchat(fn->sk, fn, p, p2); |
1375 | hubhandleaction(sk, fn, cmd, args); |
1376 | } |
1377 | |
1378 | static void cmd_sr(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1379 | { |
1380 | struct dchub *hub; |
d86b7a9f |
1381 | char *p, *p2, *buf; |
d3372da9 |
1382 | char *nick, *filename, *hubname; |
1383 | int size, slots; |
d86b7a9f |
1384 | size_t buflen; |
d3372da9 |
1385 | struct srchres *sr; |
1386 | wchar_t *wnick, *wfile; |
1387 | |
1388 | hub = fn->data; |
1389 | nick = p = args; |
1390 | if((p2 = strchr(p, ' ')) == NULL) |
1391 | return; |
1392 | *p2 = 0; |
1393 | p = p2 + 1; |
1394 | filename = p; |
1395 | if((p2 = strchr(p, 5)) == NULL) |
1396 | return; |
1397 | *p2 = 0; |
1398 | p = p2 + 1; |
1399 | if((p2 = strchr(p, ' ')) == NULL) |
1400 | return; |
1401 | *p2 = 0; |
1402 | size = atoi(p); |
1403 | p = p2 + 1; |
1404 | if((p2 = strchr(p, '/')) == NULL) |
1405 | return; |
1406 | *p2 = 0; |
1407 | slots = atoi(p); |
1408 | p = p2 + 1; |
1409 | if((p2 = strchr(p, 5)) == NULL) |
1410 | return; |
1411 | p = p2 + 1; |
1412 | hubname = p; |
1413 | if((p2 = strstr(p, " (")) == NULL) |
1414 | return; |
1415 | *p2 = 0; |
1d85f24b |
1416 | if((wnick = icmbstowcs(nick, hub->charset)) == NULL) |
d3372da9 |
1417 | return; |
1d85f24b |
1418 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1419 | if((wfile = icmbstowcs(filename, DCCHARSET)) == NULL) |
1420 | { |
1421 | free(wnick); |
1422 | return; |
1423 | } |
1424 | sr = newsrchres(&dcnet, wfile, wnick); |
1425 | if(sr->peernick != NULL) |
1426 | free(sr->peernick); |
1427 | sr->peernick = swcsdup(wnick); |
1428 | sr->size = size; |
1429 | sr->slots = slots; |
1430 | free(wfile); |
1431 | free(wnick); |
d86b7a9f |
1432 | if(!strncmp(hubname, "TTH:", 4)) |
1433 | { |
1434 | if((buf = base32decode(hubname + 4, &buflen)) != NULL) |
1435 | { |
1436 | if(buflen == 24) |
1437 | sr->hash = newhash(L"TTH", 24, buf); |
1438 | free(buf); |
1439 | } |
1440 | } |
d3372da9 |
1441 | getfnetnode(sr->fn = fn); |
1442 | submitsrchres(sr); |
1443 | freesrchres(sr); |
1444 | hubhandleaction(sk, fn, cmd, args); |
1445 | } |
1446 | |
1447 | static void cmd_usercommand(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1448 | { |
1449 | /* Do nothing for now. */ |
1450 | } |
1451 | |
48509089 |
1452 | static void cmd_getpass(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1453 | { |
1454 | struct dchub *hub; |
1c4b02cd |
1455 | wchar_t *pw; |
48509089 |
1456 | char *mbspw; |
1457 | |
1458 | hub = fn->data; |
1c4b02cd |
1459 | pw = wpfind(fn->args, L"password"); |
1d85f24b |
1460 | if((pw == NULL) || ((mbspw = icwcstombs(pw, hub->charset)) == NULL)) |
48509089 |
1461 | { |
1462 | killfnetnode(fn); |
1463 | return; |
1464 | } |
1465 | qstrf(sk, "$MyPass %s|", mbspw); |
1466 | free(mbspw); |
fcd0627b |
1467 | fn->regstatus = FNNS_REG; |
48509089 |
1468 | hubhandleaction(sk, fn, cmd, args); |
1469 | } |
1470 | |
c9b3ad74 |
1471 | static void cmd_logedin(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1472 | { |
1473 | struct dchub *hub; |
1474 | |
1475 | hub = fn->data; |
fcd0627b |
1476 | fn->regstatus = FNNS_OP; |
c9b3ad74 |
1477 | hubhandleaction(sk, fn, cmd, args); |
1478 | } |
1479 | |
d3372da9 |
1480 | static void cmd_mynick(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1481 | { |
9a2d6cb8 |
1482 | struct dcexppeer *expect; |
1c4b02cd |
1483 | struct dchub *hub; |
9a2d6cb8 |
1484 | |
d3372da9 |
1485 | if(peer->nativename != NULL) |
1486 | free(peer->nativename); |
1487 | peer->nativename = sstrdup(args); |
1488 | if(peer->wcsname != NULL) |
1489 | free(peer->wcsname); |
1d85f24b |
1490 | if((peer->wcsname = icmbstowcs(peer->nativename, peer->charset)) == NULL) |
d3372da9 |
1491 | { |
1492 | freedcpeer(peer); |
1493 | return; |
1494 | } |
9a2d6cb8 |
1495 | if(peer->accepted) |
1496 | { |
1497 | for(expect = expected; expect != NULL; expect = expect->next) |
1498 | { |
1499 | if(!strcmp(expect->nick, args)) |
1500 | break; |
1501 | } |
1502 | if(expect == NULL) |
1503 | { |
1504 | peer->fn = NULL; |
1505 | } else { |
1c4b02cd |
1506 | hub = expect->fn->data; |
9a2d6cb8 |
1507 | peer->fn = expect->fn; |
1508 | getfnetnode(peer->fn); |
1c4b02cd |
1509 | peer->dcppemu = hub->dcppemu; |
9a2d6cb8 |
1510 | freeexppeer(expect); |
1511 | } |
1512 | } |
d3372da9 |
1513 | } |
1514 | |
1515 | static void cmd_direction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1516 | { |
1517 | char *p; |
9a2d6cb8 |
1518 | int mydir; |
1519 | struct transfer *transfer; |
d3372da9 |
1520 | |
1521 | if((p = strchr(args, ' ')) == NULL) |
1522 | return; |
1523 | *p = 0; |
1524 | if(!strcmp(args, "Upload")) |
9a2d6cb8 |
1525 | mydir = TRNSD_DOWN; |
d3372da9 |
1526 | if(!strcmp(args, "Download")) |
9a2d6cb8 |
1527 | mydir = TRNSD_UP; |
1528 | if(peer->accepted) |
1529 | { |
1530 | if((peer->transfer == NULL) || (mydir != peer->direction)) |
1531 | { |
1532 | freedcpeer(peer); |
1533 | return; |
1534 | } |
1b14d3d8 |
1535 | if(peer->direction == TRNSD_DOWN) |
1536 | requestfile(peer); |
9a2d6cb8 |
1537 | } else { |
1538 | if(peer->wcsname == NULL) |
1539 | { |
1540 | freedcpeer(peer); |
1541 | return; |
1542 | } |
1543 | peer->direction = mydir; |
1544 | if(peer->direction == TRNSD_UP) |
1545 | { |
1546 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1547 | } else { |
1548 | if((transfer = finddownload(peer->wcsname)) == NULL) |
1549 | { |
1550 | freedcpeer(peer); |
1551 | return; |
1552 | } |
1553 | transferattach(transfer, &dctransfer, peer); |
1554 | transfersetstate(transfer, TRNS_HS); |
1555 | } |
1556 | transfersetnick(transfer, peer->wcsname); |
1557 | peer->transfer = transfer; |
1558 | if(peer->extended) |
1559 | sendsupports(peer); |
1560 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1561 | if(peer->key != NULL) |
1562 | qstrf(sk, "$Key %s|", peer->key); |
1563 | if(peer->direction == TRNSD_DOWN) |
1564 | requestfile(peer); |
1565 | } |
d3372da9 |
1566 | } |
1567 | |
1568 | static void cmd_peerlock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1569 | { |
9a2d6cb8 |
1570 | char *p, *key; |
1571 | struct transfer *transfer; |
d3372da9 |
1572 | |
1573 | if((p = strchr(args, ' ')) == NULL) |
1574 | return; |
1575 | *p = 0; |
1576 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) |
1577 | peer->extended = 1; |
9a2d6cb8 |
1578 | key = dcmakekey(args); |
1579 | if(peer->accepted) |
1580 | { |
1581 | if(peer->wcsname == NULL) |
1582 | { |
1583 | freedcpeer(peer); |
1584 | return; |
1585 | } |
1586 | sendmynick(peer); |
1587 | sendpeerlock(peer); |
1588 | if(peer->extended) |
1589 | sendsupports(peer); |
1590 | if((transfer = finddownload(peer->wcsname)) == NULL) |
1591 | { |
1592 | peer->direction = TRNSD_UP; |
1593 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1594 | } else { |
1595 | peer->direction = TRNSD_DOWN; |
1596 | transferattach(transfer, &dctransfer, peer); |
1597 | transfersetstate(transfer, TRNS_HS); |
1598 | } |
1599 | transfersetnick(transfer, peer->wcsname); |
1600 | peer->transfer = transfer; |
1601 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1602 | qstrf(sk, "$Key %s|", key); |
62da2712 |
1603 | free(key); |
9a2d6cb8 |
1604 | } else { |
1605 | if(peer->key != NULL) |
1606 | free(peer->key); |
1607 | peer->key = key; |
1608 | } |
d3372da9 |
1609 | } |
1610 | |
1611 | static void cmd_key(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1612 | { |
9a2d6cb8 |
1613 | /* NOP */ |
1614 | } |
1615 | |
1616 | static void startdl(struct dcpeer *peer) |
1617 | { |
1e9d82b1 |
1618 | if(peer->timeout != NULL) |
1619 | canceltimer(peer->timeout); |
9a2d6cb8 |
1620 | peer->state = PEER_TRNS; |
1621 | transferstartdl(peer->transfer, peer->sk); |
1622 | peer->sk->readcb = (void (*)(struct socket *, void *))transread; |
1623 | peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr; |
1624 | } |
1625 | |
1626 | static void startul(struct dcpeer *peer) |
1627 | { |
1e9d82b1 |
1628 | if(peer->timeout != NULL) |
1629 | canceltimer(peer->timeout); |
9a2d6cb8 |
1630 | peer->state = PEER_TRNS; |
1631 | transferstartul(peer->transfer, peer->sk); |
1632 | peer->sk->writecb = (void (*)(struct socket *, void *))transwrite; |
d3372da9 |
1633 | } |
1634 | |
1635 | static void cmd_filelength(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1636 | { |
1637 | int size; |
1fc81821 |
1638 | struct transfer *transfer; |
d3372da9 |
1639 | |
1640 | if(peer->transfer == NULL) |
1641 | { |
1642 | freedcpeer(peer); |
1643 | return; |
1644 | } |
1645 | size = atoi(args); |
9a2d6cb8 |
1646 | if(peer->transfer->size != size) |
d3372da9 |
1647 | { |
d3372da9 |
1648 | transfersetsize(peer->transfer, size); |
1fc81821 |
1649 | transfer = peer->transfer; |
d3372da9 |
1650 | freedcpeer(peer); |
1fc81821 |
1651 | trytransferbypeer(transfer->fnet, transfer->peerid); |
d3372da9 |
1652 | return; |
1653 | } |
9a2d6cb8 |
1654 | startdl(peer); |
1655 | qstr(peer->sk, "$Send|"); |
d3372da9 |
1656 | } |
1657 | |
1658 | static void cmd_error(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1659 | { |
df873cd0 |
1660 | if(peer->fetchingtthl) |
1661 | { |
1662 | peer->fetchingtthl = 0; |
1663 | peer->notthl = 1; |
1664 | requestfile(peer); |
1665 | return; |
1666 | } |
d3372da9 |
1667 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1668 | { |
1669 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
1670 | resettransfer(peer->transfer); |
1671 | return; |
1672 | } |
1673 | freedcpeer(peer); |
1674 | } |
1675 | |
1676 | static void cmd_maxedout(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1677 | { |
1678 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1679 | { |
1680 | transferseterror(peer->transfer, TRNSE_NOSLOTS); |
1681 | resettransfer(peer->transfer); |
1682 | return; |
1683 | } |
1684 | freedcpeer(peer); |
1685 | } |
1686 | |
1687 | static struct |
1688 | { |
1689 | char *name; |
1690 | char **file; |
1691 | void (*func)(void); |
1692 | } lists[] = |
1693 | { |
1694 | {"MyList.DcLst", &hmlistname, updatehmlist}, |
1695 | {"files.xml", &xmllistname, updatexmllist}, |
1696 | {"files.xml.bz2", &xmlbz2listname, updatexmlbz2list}, |
1697 | {NULL, NULL} |
1698 | }; |
1699 | |
1700 | static int openfilelist(char *name) |
1701 | { |
1702 | int i, fd; |
1703 | int errnobak; |
1704 | |
1705 | for(i = 0; lists[i].name != NULL; i++) |
1706 | { |
1707 | if(!strcmp(name, lists[i].name)) |
1708 | break; |
1709 | } |
1710 | errno = 0; |
1711 | if(lists[i].name == NULL) |
1712 | return(-1); |
1713 | fd = -1; |
1714 | if((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0)) |
1715 | lists[i].func(); |
1716 | if((fd < 0) && ((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0))) |
1717 | { |
1718 | errnobak = errno; |
1719 | flog(LOG_ERR, "could not open filelist tempfile: %s", strerror(errno)); |
1720 | errno = errnobak; |
1721 | return(-1); |
1722 | } |
1723 | return(fd); |
1724 | } |
1725 | |
1726 | static struct sharecache *findbytth(char *tth32) |
1727 | { |
1728 | char *buf; |
1729 | size_t buflen; |
1730 | struct sharecache *node; |
1731 | |
1732 | if((buf = base32decode(tth32, &buflen)) == NULL) |
1733 | return(NULL); |
1734 | if(buflen != 24) |
1735 | { |
1736 | free(buf); |
1737 | return(NULL); |
1738 | } |
1739 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
1740 | { |
1741 | if(node->f.b.hastth && !memcmp(node->hashtth, buf, 24)) |
1742 | break; |
1743 | } |
1744 | free(buf); |
1745 | return(node); |
1746 | } |
1747 | |
1748 | static struct sharecache *resdcpath(char *path, char *charset, char sep) |
1749 | { |
1750 | struct sharecache *node; |
1751 | char *p, *p2; |
1752 | |
1753 | node = shareroot; |
1754 | p = path; |
1755 | while(p != NULL) |
1756 | { |
1757 | if((p2 = strchr(p, sep)) != NULL) |
1758 | *(p2++) = 0; |
1759 | if((node = findcache(node, icsmbstowcs(p, charset, L""))) == NULL) |
1760 | return(NULL); |
1761 | p = p2; |
1762 | } |
1763 | return(node); |
1764 | } |
1765 | |
1766 | static void cmd_get(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1767 | { |
1768 | int offset; |
1769 | char *p, *buf; |
1770 | wchar_t *buf2; |
1771 | struct sharecache *node; |
1772 | struct socket *lesk; |
1773 | int fd; |
1774 | struct stat sb; |
1775 | |
1776 | if(peer->transfer == NULL) |
1777 | { |
1778 | freedcpeer(peer); |
1779 | return; |
1780 | } |
1781 | if((p = strchr(args, '$')) == NULL) |
1782 | { |
1783 | freedcpeer(peer); |
1784 | return; |
1785 | } |
1786 | *(p++) = 0; |
1787 | if((offset = (atoi(p) - 1)) < 0) |
1788 | { |
1789 | freedcpeer(peer); |
1790 | return; |
1791 | } |
1792 | if(((fd = openfilelist(args)) < 0) && (errno != 0)) |
1793 | { |
1794 | qstr(sk, "$Error Could not send file list|"); |
1795 | freedcpeer(peer); |
1796 | return; |
1797 | } else if(fd >= 0) { |
1798 | if((buf2 = icsmbstowcs(args, DCCHARSET, NULL)) != NULL) |
1799 | transfersetpath(peer->transfer, buf2); |
f00d7432 |
1800 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
1801 | } |
1802 | if(fd < 0) |
1803 | { |
1d85f24b |
1804 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1805 | if((node = resdcpath(args, DCCHARSET, '\\')) == NULL) |
1806 | { |
1807 | qstrf(sk, "$Error File not in share|"); |
1808 | freedcpeer(peer); |
1809 | return; |
1810 | } |
1811 | if((fd = opensharecache(node)) < 0) |
1812 | { |
1813 | qstrf(sk, "$Error %s|", strerror(errno)); |
1814 | freedcpeer(peer); |
1815 | return; |
1816 | } |
1817 | buf = getfspath(node); |
1818 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) |
1819 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
1820 | else |
1821 | transfersetpath(peer->transfer, buf2); |
1822 | free(buf); |
1823 | } |
1824 | if(fstat(fd, &sb) < 0) |
1825 | { |
1826 | close(fd); |
1827 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
1828 | qstrf(sk, "$Error|"); |
1829 | freedcpeer(peer); |
1830 | return; |
1831 | } |
f00d7432 |
1832 | if(sb.st_size < 65536) |
1833 | peer->transfer->flags.b.minislot = 1; |
1834 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
565006d1 |
1835 | close(fd); |
f00d7432 |
1836 | qstr(sk, "$MaxedOut|"); |
1837 | freedcpeer(peer); |
1838 | return; |
1839 | } |
d3372da9 |
1840 | if((offset != 0) && (lseek(fd, offset, SEEK_SET) < 0)) |
1841 | { |
1842 | close(fd); |
1843 | qstrf(sk, "$Error Offset out of range|"); |
1844 | freedcpeer(peer); |
1845 | return; |
1846 | } |
1847 | lesk = wrapsock(fd); |
1848 | transferprepul(peer->transfer, sb.st_size, offset, -1, lesk); |
1849 | putsock(lesk); |
1850 | qstrf(sk, "$FileLength %i|", peer->transfer->size); |
d3372da9 |
1851 | } |
1852 | |
1853 | static void cmd_send(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1854 | { |
1855 | if(peer->transfer == NULL) |
1856 | { |
1857 | freedcpeer(peer); |
1858 | return; |
1859 | } |
1860 | if(peer->transfer->localend == NULL) |
1861 | { |
1862 | freedcpeer(peer); |
1863 | return; |
1864 | } |
1865 | peer->ptclose = 1; |
9a2d6cb8 |
1866 | startul(peer); |
d3372da9 |
1867 | } |
1868 | |
1869 | static void cmd_supports(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1870 | { |
1871 | int i; |
1872 | char *p, *p2; |
1873 | char **arr; |
1874 | size_t arrsize, arrdata; |
1875 | |
1876 | if(peer->supports != NULL) |
1877 | { |
1878 | for(i = 0; peer->supports[i] != NULL; i++) |
1879 | free(peer->supports[i]); |
1880 | free(peer->supports); |
1881 | } |
1882 | arr = NULL; |
1883 | arrsize = arrdata = 0; |
1884 | p = args; |
1885 | do |
1886 | { |
1887 | if((p2 = strchr(p, ' ')) != NULL) |
1888 | *(p2++) = 0; |
1889 | if(*p == 0) |
1890 | continue; |
1891 | addtobuf(arr, sstrdup(p)); |
1892 | } while((p = p2) != NULL); |
1893 | addtobuf(arr, NULL); |
1894 | peer->supports = arr; |
d3372da9 |
1895 | } |
1896 | |
1897 | static void cmd_getblock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1898 | { |
1899 | int fd; |
1900 | char *p, *p2; |
1901 | int start, numbytes; |
1902 | char *charset, *buf; |
1903 | wchar_t *buf2; |
1904 | struct sharecache *node; |
1905 | struct stat sb; |
1906 | struct socket *lesk; |
1907 | |
1908 | if(peer->transfer == NULL) |
1909 | { |
1910 | freedcpeer(peer); |
1911 | return; |
1912 | } |
1913 | p = args; |
1914 | if((p2 = strchr(p, ' ')) == NULL) |
1915 | { |
1916 | freedcpeer(peer); |
1917 | return; |
1918 | } |
1919 | *(p2++) = 0; |
1920 | start = atoi(p); |
1921 | p = p2; |
1922 | if((p2 = strchr(p, ' ')) == NULL) |
1923 | { |
1924 | freedcpeer(peer); |
1925 | return; |
1926 | } |
1927 | *(p2++) = 0; |
1928 | numbytes = atoi(p); |
1929 | p = p2; |
1930 | if(!strcmp(cmd, "$UGetBlock") || !strcmp(cmd, "$UGetZBlock")) |
1931 | charset = "UTF-8"; |
1932 | else |
1d85f24b |
1933 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1934 | charset = DCCHARSET; |
1935 | if(!strcmp(cmd, "$GetZBlock") || !strcmp(cmd, "$UGetZBlock")) |
1936 | initcompress(peer, CPRS_ZLIB); |
1937 | if(((fd = openfilelist(p)) < 0) && (errno != 0)) |
1938 | { |
1939 | qstr(sk, "$Error Could not send file list|"); |
1940 | return; |
1941 | } else if(fd >= 0) { |
1942 | if((buf2 = icsmbstowcs(args, charset, NULL)) != NULL) |
1943 | transfersetpath(peer->transfer, buf2); |
f00d7432 |
1944 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
1945 | } |
1946 | if(fd < 0) |
1947 | { |
d3372da9 |
1948 | if((node = resdcpath(p, charset, '\\')) == NULL) |
1949 | { |
1950 | qstr(sk, "$Error File not in cache|"); |
1951 | return; |
1952 | } |
1953 | if((fd = opensharecache(node)) < 0) |
1954 | { |
1955 | qstrf(sk, "$Error %s|", strerror(errno)); |
1956 | return; |
1957 | } |
1958 | buf = getfspath(node); |
1959 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) |
1960 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
1961 | else |
1962 | transfersetpath(peer->transfer, buf2); |
1963 | free(buf); |
1964 | } |
1965 | if(fstat(fd, &sb) < 0) |
1966 | { |
1967 | close(fd); |
1968 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
1969 | qstr(sk, "$Error|"); |
1970 | return; |
1971 | } |
f00d7432 |
1972 | if(sb.st_size < 65536) |
1973 | peer->transfer->flags.b.minislot = 1; |
1974 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
565006d1 |
1975 | close(fd); |
f00d7432 |
1976 | qstr(sk, "$MaxedOut|"); |
1977 | return; |
1978 | } |
d3372da9 |
1979 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
1980 | { |
1981 | close(fd); |
1982 | qstr(sk, "$Error Offset out of range|"); |
1983 | return; |
1984 | } |
1985 | if((numbytes < 0) || (start + numbytes > sb.st_size)) |
1986 | numbytes = sb.st_size - start; |
1987 | lesk = wrapsock(fd); |
1988 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); |
1989 | putsock(lesk); |
1990 | qstrf(sk, "$Sending %i|", numbytes); |
9a2d6cb8 |
1991 | startul(peer); |
d3372da9 |
1992 | } |
1993 | |
1994 | static void cmd_adcget(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1995 | { |
1996 | int i; |
1997 | char **argv, *buf; |
1998 | int start, numbytes; |
1999 | struct sharecache *node; |
2000 | struct stat sb; |
2001 | struct socket *lesk; |
2002 | wchar_t *wbuf; |
2003 | int fd; |
2004 | |
2005 | if(peer->transfer == NULL) |
2006 | { |
2007 | freedcpeer(peer); |
2008 | return; |
2009 | } |
2010 | if((argv = parseadc(args)) == NULL) |
2011 | { |
2012 | freedcpeer(peer); |
2013 | return; |
2014 | } |
2015 | if(parrlen(argv) < 4) |
2016 | { |
2017 | freedcpeer(peer); |
2018 | goto out; |
2019 | } |
2020 | start = atoi(argv[2]); |
2021 | numbytes = atoi(argv[3]); |
2022 | node = NULL; |
2023 | fd = -1; |
2024 | if(((fd = openfilelist(argv[1])) < 0) && (errno != 0)) |
2025 | { |
2026 | qstr(sk, "$Error Could not send file list|"); |
2027 | goto out; |
2028 | } else if(fd >= 0) { |
2029 | if((wbuf = icsmbstowcs(argv[1], "UTF-8", NULL)) != NULL) |
2030 | transfersetpath(peer->transfer, wbuf); |
f00d7432 |
2031 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
2032 | } |
2033 | if(fd < 0) |
2034 | { |
d3372da9 |
2035 | if(!strncmp(argv[1], "TTH/", 4)) |
2036 | { |
2037 | if((node = findbytth(argv[1] + 4)) == NULL) |
2038 | { |
2039 | qstr(sk, "$Error File not in cache|"); |
2040 | goto out; |
2041 | } |
2042 | } else { |
9a2d6cb8 |
2043 | if((node = resdcpath((argv[1][0] == '/')?(argv[1] + 1):(argv[1]), "UTF-8", '/')) == NULL) |
d3372da9 |
2044 | { |
2045 | qstr(sk, "$Error File not in cache|"); |
2046 | goto out; |
2047 | } |
2048 | } |
2049 | if((fd = opensharecache(node)) < 0) |
2050 | { |
2051 | qstrf(sk, "$Error %s|", strerror(errno)); |
2052 | goto out; |
2053 | } |
2054 | buf = getfspath(node); |
2055 | if((wbuf = icsmbstowcs(buf, NULL, NULL)) == NULL) |
2056 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
2057 | else |
2058 | transfersetpath(peer->transfer, wbuf); |
2059 | free(buf); |
2060 | } |
2061 | if(!strcmp(argv[0], "file")) |
2062 | { |
2063 | for(i = 4; argv[i] != NULL; i++) |
2064 | { |
2065 | if(!strcmp(argv[i], "ZL1")) |
2066 | initcompress(peer, CPRS_ZLIB); |
2067 | } |
2068 | if(fstat(fd, &sb) < 0) |
2069 | { |
2070 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
2071 | qstr(sk, "$Error|"); |
2072 | goto out; |
2073 | } |
f00d7432 |
2074 | if(sb.st_size < 65536) |
2075 | peer->transfer->flags.b.minislot = 1; |
2076 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
2077 | qstr(sk, "$MaxedOut|"); |
2078 | goto out; |
2079 | } |
d3372da9 |
2080 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2081 | { |
2082 | qstr(sk, "$Error Offset out of range|"); |
2083 | goto out; |
2084 | } |
2085 | if((numbytes < 0) || (start + numbytes > sb.st_size)) |
2086 | numbytes = sb.st_size - start; |
2087 | lesk = wrapsock(fd); |
2088 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); |
2089 | putsock(lesk); |
2090 | fd = -1; |
2091 | qstr(sk, "$ADCSND"); |
2092 | sendadc(sk, "file"); |
2093 | sendadc(sk, argv[1]); |
2094 | sendadcf(sk, "%i", start); |
2095 | sendadcf(sk, "%i", numbytes); |
2096 | if(peer->compress == CPRS_ZLIB) |
2097 | sendadc(sk, "ZL1"); |
2098 | qstr(sk, "|"); |
9a2d6cb8 |
2099 | startul(peer); |
d3372da9 |
2100 | } else if(!strcmp(argv[0], "tthl")) { |
2101 | /* |
2102 | * XXX: Implement full TTHL support. |
2103 | * |
2104 | * In the meantime, this is better than nothing, since it at |
2105 | * least allows fetching of the TTH root if it isn't already |
2106 | * known. |
2107 | */ |
2108 | if(node == NULL) |
2109 | { |
2110 | qstr(sk, "$Error no TTHL data for virtual files|"); |
2111 | goto out; |
2112 | } |
2113 | qstr(sk, "$ADCSND"); |
2114 | sendadc(sk, "tthl"); |
2115 | sendadc(sk, argv[1]); |
2116 | sendadc(sk, "0"); |
2117 | sendadc(sk, "24"); |
2118 | qstr(sk, "|"); |
2119 | sockqueue(sk, node->hashtth, 24); |
2120 | } else { |
2121 | qstr(sk, "$Error Namespace not implemented|"); |
2122 | goto out; |
2123 | } |
d3372da9 |
2124 | |
2125 | out: |
2126 | if(fd >= 0) |
2127 | close(fd); |
2128 | freeparr(argv); |
2129 | } |
2130 | |
9a2d6cb8 |
2131 | static void handletthl(struct dcpeer *peer) |
2132 | { |
2133 | char buf[24]; |
2134 | |
2135 | while(peer->inbufdata >= 24) |
2136 | { |
2137 | pushtigertree(&peer->tth, peer->inbuf); |
2138 | memmove(peer->inbuf, peer->inbuf + 24, peer->inbufdata -= 24); |
e52006fe |
2139 | peer->curread += 24; |
9a2d6cb8 |
2140 | } |
e52006fe |
2141 | if(peer->curread >= peer->totalsize) |
9a2d6cb8 |
2142 | { |
1e9d82b1 |
2143 | if(peer->timeout == NULL) |
2144 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 |
2145 | peer->state = PEER_CMD; |
2146 | synctigertree(&peer->tth); |
2147 | restigertree(&peer->tth, buf); |
2148 | transfersethash(peer->transfer, newhash(L"TTH", 24, buf)); |
2149 | requestfile(peer); |
2150 | } |
2151 | } |
2152 | |
2153 | static void cmd_adcsnd(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2154 | { |
2155 | char **argv; |
2156 | int start, numbytes; |
2157 | |
2158 | if(peer->transfer == NULL) |
2159 | { |
2160 | freedcpeer(peer); |
2161 | return; |
2162 | } |
2163 | if((argv = parseadc(args)) == NULL) |
2164 | { |
2165 | freedcpeer(peer); |
2166 | return; |
2167 | } |
2168 | if(parrlen(argv) < 4) |
2169 | { |
2170 | freedcpeer(peer); |
2171 | goto out; |
2172 | } |
2173 | start = atoi(argv[2]); |
2174 | numbytes = atoi(argv[3]); |
2175 | if(!strcmp(argv[0], "tthl")) |
2176 | { |
2177 | if((start != 0) || (numbytes % 24 != 0)) |
2178 | { |
2179 | /* Weird. Bail out. */ |
2180 | freedcpeer(peer); |
2181 | goto out; |
2182 | } |
1e9d82b1 |
2183 | if(peer->timeout != NULL) |
2184 | canceltimer(peer->timeout); |
9a2d6cb8 |
2185 | peer->state = PEER_TTHL; |
2186 | peer->totalsize = numbytes; |
2187 | peer->curread = 0; |
df873cd0 |
2188 | peer->fetchingtthl = 0; |
9a2d6cb8 |
2189 | inittigertree(&peer->tth); |
2190 | handletthl(peer); |
2191 | } else if(!strcmp(argv[0], "file")) { |
2192 | if(start != peer->transfer->curpos) |
2193 | { |
2194 | freedcpeer(peer); |
2195 | goto out; |
2196 | } |
2197 | if(start + numbytes != peer->transfer->size) |
2198 | { |
2199 | transfersetsize(peer->transfer, start + numbytes); |
2200 | freedcpeer(peer); |
2201 | goto out; |
2202 | } |
2203 | startdl(peer); |
e52006fe |
2204 | if(peer->inbufdata > 0) |
2205 | { |
2206 | sockpushdata(sk, peer->inbuf, peer->inbufdata); |
2207 | peer->inbufdata = 0; |
2208 | transread(sk, peer); |
2209 | } |
9a2d6cb8 |
2210 | } else { |
2211 | /* We certainly didn't request this...*/ |
2212 | freedcpeer(peer); |
2213 | goto out; |
2214 | } |
2215 | |
2216 | out: |
2217 | freeparr(argv); |
2218 | } |
2219 | |
2220 | static void cmd_sending(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2221 | { |
2222 | int numbytes; |
2223 | |
2224 | if(peer->transfer == NULL) |
2225 | { |
2226 | freedcpeer(peer); |
2227 | return; |
2228 | } |
2229 | numbytes = atoi(args); |
2230 | if(peer->transfer->size - peer->transfer->curpos != numbytes) |
2231 | { |
2232 | transfersetsize(peer->transfer, peer->transfer->curpos + numbytes); |
2233 | freedcpeer(peer); |
2234 | return; |
2235 | } |
2236 | startdl(peer); |
0d8c93cb |
2237 | if(peer->inbufdata > 0) |
2238 | { |
2239 | sockpushdata(sk, peer->inbuf, peer->inbufdata); |
2240 | peer->inbufdata = 0; |
2241 | transread(sk, peer); |
2242 | } |
9a2d6cb8 |
2243 | } |
2244 | |
d3372da9 |
2245 | /* |
2246 | Hub skeleton: |
2247 | static void cmd_(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
2248 | { |
2249 | struct dchub *hub; |
2250 | |
2251 | hub = fn->data; |
2252 | hubhandleaction(sk, fn, cmd, args); |
2253 | } |
2254 | |
2255 | Peer skeleton: |
2256 | static void cmd_(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2257 | { |
d3372da9 |
2258 | } |
2259 | |
2260 | */ |
2261 | |
2262 | static int hubreqconn(struct fnetpeer *peer) |
2263 | { |
2264 | struct dchub *hub; |
2265 | char *mbsnick; |
2266 | |
2267 | if((peer->fn->state != FNN_EST) || (peer->fn->fnet != &dcnet)) |
2268 | { |
2269 | errno = EINVAL; |
2270 | return(1); |
2271 | } |
2272 | if((hub = peer->fn->data) == NULL) |
2273 | { |
2274 | errno = EFAULT; |
2275 | return(1); |
2276 | } |
1d85f24b |
2277 | if((mbsnick = icwcstombs(peer->id, hub->charset)) == NULL) |
d3372da9 |
2278 | return(1); /* Shouldn't happen, of course, but who knows... */ |
2279 | if(tcpsock != NULL) |
2280 | { |
2281 | sendctm(peer->fn->sk, mbsnick); |
2282 | expectpeer(mbsnick, peer->fn); |
2283 | } else { |
2284 | qstrf(peer->fn->sk, "$RevConnectToMe %s %s|", hub->nativenick, mbsnick); |
2285 | } |
2286 | free(mbsnick); |
2287 | return(0); |
2288 | } |
2289 | |
2290 | static int hubsendchat(struct fnetnode *fn, int public, wchar_t *to, wchar_t *string) |
2291 | { |
2292 | struct dchub *hub; |
2293 | char *mbsstring, *mbsto; |
2294 | |
2295 | hub = fn->data; |
1d85f24b |
2296 | if((mbsto = icwcstombs(to, hub->charset)) == NULL) |
d3372da9 |
2297 | { |
2298 | errno = EILSEQ; |
2299 | return(1); |
2300 | } |
1d85f24b |
2301 | if((mbsstring = icwcstombs(string, hub->charset)) == NULL) |
d3372da9 |
2302 | { |
2303 | errno = EILSEQ; |
2304 | return(1); |
2305 | } |
2306 | if((strchr(mbsto, '|') != NULL) || (strchr(mbsto, ' ') != NULL)) |
2307 | { |
2308 | free(mbsto); |
2309 | free(mbsstring); |
2310 | errno = ESRCH; |
2311 | return(1); |
2312 | } |
2313 | if(strchr(mbsstring, '|') != NULL) |
2314 | { |
2315 | free(mbsto); |
2316 | free(mbsstring); |
2317 | errno = EILSEQ; |
2318 | return(1); |
2319 | } |
2320 | if(public) |
2321 | { |
2322 | if(*to == L'\0') |
2323 | { |
2324 | qstrf(fn->sk, "<%s> %s|", hub->nativenick, mbsstring); |
2325 | } else { |
2326 | qstrf(fn->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
2327 | } |
2328 | } else { |
2329 | qstrf(fn->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
2330 | } |
2331 | free(mbsto); |
2332 | free(mbsstring); |
2333 | return(0); |
2334 | } |
2335 | |
2336 | static void findsizelimit(struct sexpr *sexpr, int *min, int *max) |
2337 | { |
2338 | int minl, maxl, minr, maxr, retmin, retmax; |
2339 | |
2340 | switch(sexpr->op) |
2341 | { |
2342 | case SOP_AND: |
2343 | findsizelimit(sexpr->l, &minl, &maxl); |
2344 | findsizelimit(sexpr->r, &minr, &maxr); |
2345 | retmin = (minl > minr)?minl:minr; |
2346 | if((maxl != -1) && (maxr != -1)) |
2347 | retmax = (maxl < maxr)?maxl:maxr; |
2348 | else if(maxl != -1) |
2349 | retmax = maxl; |
2350 | else if(maxr != -1) |
2351 | retmax = maxr; |
2352 | else |
2353 | retmax = -1; |
2354 | break; |
2355 | case SOP_OR: |
2356 | findsizelimit(sexpr->l, &minl, &maxl); |
2357 | findsizelimit(sexpr->r, &minr, &maxr); |
2358 | retmin = (minl < minr)?minl:minr; |
2359 | if((maxl == -1) || (maxr == -1)) |
2360 | retmax = -1; |
2361 | else |
2362 | retmax = (maxl > maxr)?maxl:maxr; |
2363 | break; |
2364 | case SOP_NOT: |
2365 | findsizelimit(sexpr->l, &minl, &maxl); |
2366 | if((minl == 0) && (maxl == -1)) /* Interval is unspecified */ |
2367 | { |
2368 | retmin = 0; |
2369 | retmax = -1; |
2370 | } else if((minl == 0) && (maxl != -1)) { |
2371 | retmin = maxl + 1; |
2372 | retmax = -1; |
2373 | } else if((minl != 0) && (maxl == -1)) { |
2374 | retmin = 0; |
2375 | retmax = minl - 1; |
2376 | } else { /* This would yield two seperate intervals, which DC cannot handle */ |
2377 | retmin = 0; |
2378 | retmax = -1; |
2379 | } |
2380 | case SOP_SIZELT: |
2381 | retmin = 0; |
2382 | retmax = sexpr->d.n - 1; |
2383 | break; |
2384 | case SOP_SIZEEQ: |
2385 | retmin = sexpr->d.n; |
2386 | retmax = sexpr->d.n; |
2387 | break; |
2388 | case SOP_SIZEGT: |
2389 | retmin = sexpr->d.n + 1; |
2390 | retmax = -1; |
2391 | break; |
2392 | default: |
2393 | retmin = 0; |
2394 | retmax = -1; |
2395 | break; |
2396 | } |
2397 | if(min != NULL) |
2398 | *min = retmin; |
2399 | if(max != NULL) |
2400 | *max = retmax; |
2401 | } |
2402 | |
9d8cf743 |
2403 | static struct hash *findsehash(struct sexpr *sexpr) |
2404 | { |
2405 | struct hash *h1, *h2; |
2406 | |
2407 | switch(sexpr->op) |
2408 | { |
2409 | case SOP_AND: |
2410 | if((h1 = findsehash(sexpr->l)) != NULL) |
2411 | return(h1); |
2412 | if((h1 = findsehash(sexpr->r)) != NULL) |
2413 | return(h1); |
2414 | break; |
2415 | case SOP_OR: |
2416 | h1 = findsehash(sexpr->l); |
2417 | h2 = findsehash(sexpr->r); |
2418 | if(hashcmp(h1, h2)) |
2419 | return(h1); |
2420 | break; |
2421 | case SOP_HASHIS: |
2422 | if(!wcscmp(sexpr->d.hash->algo, L"TTH")) |
2423 | return(sexpr->d.hash); |
2424 | default: |
2425 | break; |
2426 | } |
2427 | return(NULL); |
2428 | } |
2429 | |
d3372da9 |
2430 | static int hubsearch(struct fnetnode *fn, struct search *srch, struct srchfnnlist *ln) |
2431 | { |
2432 | struct dchub *hub; |
2433 | struct wcslist *list, *cur; |
2434 | char *sstr, *buf, *p; |
2435 | size_t sstrsize, sstrdata; |
2436 | struct sockaddr *name; |
2437 | socklen_t namelen; |
2438 | int minsize, maxsize; |
9d8cf743 |
2439 | struct hash *hash; |
d3372da9 |
2440 | |
2441 | hub = fn->data; |
2442 | if((fn->state != FNN_EST) || (fn->sk == NULL) || (fn->sk->state != SOCK_EST)) |
2443 | return(1); |
2444 | list = findsexprstrs(srch->sexpr); |
2445 | findsizelimit(srch->sexpr, &minsize, &maxsize); |
9d8cf743 |
2446 | hash = findsehash(srch->sexpr); |
d3372da9 |
2447 | if((minsize != 0) && (maxsize != -1)) |
2448 | { |
2449 | /* Choose either minsize or maxsize by trying to determine |
2450 | * which choice will be most restrictive. The result can be |
2451 | * approximative at best anyway, so don't try too hard... */ |
2452 | if((50000000 - maxsize) > (minsize - 50000000)) |
2453 | minsize = 0; |
2454 | else |
2455 | maxsize = -1; |
2456 | } |
d3372da9 |
2457 | sstr = NULL; |
2458 | sstrsize = sstrdata = 0; |
9d8cf743 |
2459 | if((hash != NULL) && (hash->len == 24)) |
d3372da9 |
2460 | { |
9d8cf743 |
2461 | /* Prioritize hash searches above all else */ |
2462 | bufcat(sstr, "F?T?0?9?TTH:", 12); |
2463 | buf = base32encode(hash->buf, hash->len); |
2464 | |
2465 | bufcat(sstr, buf, 39); |
2466 | free(buf); |
2467 | } else { |
2468 | if(minsize != 0) |
d3372da9 |
2469 | { |
9d8cf743 |
2470 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 |
2471 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?F?%i?1?", minsize); |
9d8cf743 |
2472 | } else if(maxsize != -1) { |
2473 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 |
2474 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?T?%i?1?", maxsize); |
9d8cf743 |
2475 | } else { |
2476 | bufcat(sstr, "F?F?0?1?", 8); |
2477 | } |
2478 | if(list != NULL) |
2479 | { |
2480 | for(cur = list; cur != NULL; cur = cur->next) |
d3372da9 |
2481 | { |
1d85f24b |
2482 | /* Use DCCHARSET in $Get paths until further researched... */ |
9d8cf743 |
2483 | if((buf = icwcstombs(cur->str, DCCHARSET)) == NULL) |
2484 | { |
2485 | /* Can't find anything anyway if the search expression |
2486 | * requires characters outside DC's charset. There's |
2487 | * nothing technically wrong with the search itself, |
2488 | * however, so return success. This should be |
2489 | * considered as an optimization. */ |
2490 | freesl(&list); |
2491 | if(sstr != NULL) |
2492 | free(sstr); |
2493 | return(0); |
2494 | } |
2495 | if(cur != list) |
2496 | addtobuf(sstr, '$'); |
2497 | /* |
2498 | * It probably doesn't hurt if buf contains any extra |
2499 | * dollar signs - it will just result in extra search |
2500 | * terms, and the extraneous results will be filtered by |
2501 | * the search layer anyway. It hurts if it contains any |
2502 | * pipes, though, so let's sell them for money. |
2503 | */ |
2504 | for(p = buf; *p; p++) |
2505 | { |
2506 | if(*p == '|') |
2507 | *p = '$'; |
2508 | } |
2509 | bufcat(sstr, buf, strlen(buf)); |
2510 | free(buf); |
d3372da9 |
2511 | } |
9d8cf743 |
2512 | } else { |
2513 | /* Will match all files... :-/ */ |
2514 | addtobuf(sstr, '.'); |
d3372da9 |
2515 | } |
d3372da9 |
2516 | } |
2517 | addtobuf(sstr, 0); |
2518 | if(tcpsock != NULL) |
2519 | { |
2520 | if(sockgetremotename(udpsock, &name, &namelen) < 0) |
2521 | { |
2522 | flog(LOG_WARNING, "cannot get address of UDP socket"); |
2523 | } else { |
9d8cf743 |
2524 | qstrf(fn->sk, "$Search %s %s|", formataddress(name, namelen), sstr); |
d3372da9 |
2525 | free(name); |
2526 | } |
2527 | } else { |
9d8cf743 |
2528 | qstrf(fn->sk, "$Search Hub:%s %s|", hub->nativenick, sstr); |
d3372da9 |
2529 | } |
2530 | free(sstr); |
2531 | freesl(&list); |
2532 | fn->lastsrch = time(NULL); |
2533 | return(0); |
2534 | } |
2535 | |
2536 | #undef skipcmd |
2537 | #undef qstr |
2538 | #undef qstrf |
2539 | |
2540 | #define cc(c) ((void (*)(struct socket *, void *, char *, char *))(c)) |
2541 | struct command hubcmds[] = |
2542 | { |
2543 | {"$Lock", cc(cmd_lock)}, |
2544 | {"$HubName", cc(cmd_hubname)}, |
2545 | {"$Hello", cc(cmd_hello)}, |
2546 | {"$Quit", cc(cmd_quit)}, |
2547 | {"$NickList", cc(cmd_nicklist)}, |
2548 | {"$OpList", cc(cmd_oplist)}, |
2549 | {"$MyINFO", cc(cmd_myinfo)}, |
2550 | {"$ForceMove", cc(cmd_forcemove)}, |
2551 | {"$Search", cc(cmd_search)}, |
2552 | {"$MultiSearch", cc(cmd_search)}, |
2553 | {"$ConnectToMe", cc(cmd_connecttome)}, |
2554 | {"$RevConnectToMe", cc(cmd_revconnecttome)}, |
2555 | {"$GetNetInfo", cc(cmd_getnetinfo)}, |
2556 | {"$To:", cc(cmd_to)}, |
2557 | {"$SR", cc(cmd_sr)}, |
2558 | {"$UserCommand", cc(cmd_usercommand)}, |
48509089 |
2559 | {"$GetPass", cc(cmd_getpass)}, |
c9b3ad74 |
2560 | {"$LogedIn", cc(cmd_logedin)}, /* sic */ |
d3372da9 |
2561 | {NULL, NULL} |
2562 | }; |
2563 | |
2564 | struct command peercmds[] = |
2565 | { |
2566 | {"$MyNick", cc(cmd_mynick)}, |
2567 | {"$Lock", cc(cmd_peerlock)}, |
2568 | {"$Direction", cc(cmd_direction)}, |
2569 | {"$Key", cc(cmd_key)}, |
2570 | {"$FileLength", cc(cmd_filelength)}, |
2571 | {"$Error", cc(cmd_error)}, |
2572 | {"$MaxedOut", cc(cmd_maxedout)}, |
2573 | {"$Get", cc(cmd_get)}, |
2574 | {"$Send", cc(cmd_send)}, |
2575 | {"$Supports", cc(cmd_supports)}, |
2576 | {"$GetBlock", cc(cmd_getblock)}, |
2577 | {"$UGetBlock", cc(cmd_getblock)}, |
2578 | {"$GetZBlock", cc(cmd_getblock)}, |
2579 | {"$UGetZBlock", cc(cmd_getblock)}, |
2580 | {"$ADCGET", cc(cmd_adcget)}, |
9a2d6cb8 |
2581 | {"$ADCSND", cc(cmd_adcsnd), 1}, |
2582 | {"$Sending", cc(cmd_sending), 1}, |
d3372da9 |
2583 | {NULL, NULL} |
2584 | }; |
2585 | #undef cc |
2586 | |
2587 | static void dctransdetach(struct transfer *transfer, struct dcpeer *peer) |
2588 | { |
2589 | CBUNREG(transfer, trans_filterout, peer); |
2590 | if(peer->freeing) |
2591 | return; |
2592 | peer->transfer = NULL; |
2593 | freedcpeer(peer); |
2594 | } |
2595 | |
2596 | static void dctransgotdata(struct transfer *transfer, struct dcpeer *peer) |
2597 | { |
2598 | int ret; |
2599 | void *buf; |
2600 | char outbuf[1024]; |
2601 | z_stream *cstr; |
2602 | size_t bufsize; |
2603 | |
2604 | if((peer->state == PEER_TRNS) || (peer->state == PEER_SYNC)) |
2605 | { |
2606 | if(sockqueuesize(peer->sk) < 65536) |
2607 | { |
2608 | if((buf = transfergetdata(transfer, &bufsize)) != NULL) |
2609 | { |
2610 | if(peer->compress == CPRS_NONE) |
2611 | { |
2612 | sockqueue(peer->sk, buf, bufsize); |
2613 | } else if(peer->compress == CPRS_ZLIB) { |
2614 | cstr = peer->cprsdata; |
2615 | cstr->next_in = buf; |
2616 | cstr->avail_in = bufsize; |
2617 | while(cstr->avail_in > 0) |
2618 | { |
2619 | cstr->next_out = outbuf; |
2620 | cstr->avail_out = sizeof(outbuf); |
2621 | if((ret = deflate(cstr, 0)) != Z_OK) |
2622 | { |
2623 | flog(LOG_WARNING, "bug? deflate() did not return Z_OK (but rather %i)", ret); |
2624 | freedcpeer(peer); |
2625 | return; |
2626 | } |
2627 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
2628 | } |
2629 | } |
2630 | free(buf); |
2631 | } |
2632 | if(peer->state == PEER_SYNC) |
2633 | { |
2634 | if(peer->compress == CPRS_ZLIB) |
2635 | { |
2636 | cstr = peer->cprsdata; |
2637 | cstr->next_in = NULL; |
2638 | cstr->avail_in = 0; |
2639 | do |
2640 | { |
2641 | cstr->next_out = outbuf; |
2642 | cstr->avail_out = sizeof(outbuf); |
2643 | ret = deflate(cstr, Z_FINISH); |
2644 | if((ret != Z_OK) && (ret != Z_STREAM_END)) |
2645 | { |
2646 | flog(LOG_WARNING, "bug? deflate(Z_FINISH) did not return Z_OK (but rather %i)", ret); |
2647 | freedcpeer(peer); |
2648 | return; |
2649 | } |
2650 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
2651 | } while(ret != Z_STREAM_END); |
2652 | } |
2653 | if(peer->ptclose) |
2654 | { |
2655 | freedcpeer(peer); |
2656 | } else { |
1e9d82b1 |
2657 | if(peer->timeout == NULL) |
2658 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
2659 | peer->state = PEER_CMD; |
2660 | endcompress(peer); |
2661 | transfersetstate(transfer, TRNS_HS); |
2662 | socksettos(peer->sk, confgetint("fnet", "fnptos")); |
bfc261fe |
2663 | transfer->flags.b.minislot = 0; |
d3372da9 |
2664 | peer->sk->writecb = NULL; |
2665 | } |
2666 | } |
2667 | } |
2668 | } |
2669 | } |
2670 | |
2671 | static void dctransendofdata(struct transfer *transfer, struct dcpeer *peer) |
2672 | { |
2673 | peer->state = PEER_SYNC; |
2674 | dctransgotdata(transfer, peer); |
2675 | } |
2676 | |
2677 | static void dcwantdata(struct transfer *transfer, struct dcpeer *peer) |
2678 | { |
2679 | if(transferdatasize(transfer) < 65536) |
2680 | peer->sk->ignread = 0; |
2681 | } |
2682 | |
2683 | static void transread(struct socket *sk, struct dcpeer *peer) |
2684 | { |
2685 | void *buf; |
2686 | size_t bufsize; |
2687 | struct transfer *transfer; |
2688 | |
2689 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
2690 | return; |
2691 | if(peer->transfer == NULL) |
2692 | { |
2693 | free(buf); |
2694 | freedcpeer(peer); |
2695 | return; |
2696 | } |
2697 | transferputdata(peer->transfer, buf, bufsize); |
2698 | free(buf); |
2699 | if(peer->transfer->curpos >= peer->transfer->size) |
2700 | { |
2701 | transfer = peer->transfer; |
2702 | transferdetach(transfer); |
2703 | transferendofdata(transfer); |
2704 | return; |
2705 | } |
2706 | if(transferdatasize(peer->transfer) > 65535) |
2707 | sk->ignread = 1; |
2708 | } |
2709 | |
2710 | static void transerr(struct socket *sk, int err, struct dcpeer *peer) |
2711 | { |
2712 | struct transfer *transfer; |
2713 | |
2714 | if((transfer = peer->transfer) == NULL) |
2715 | { |
2716 | freedcpeer(peer); |
2717 | return; |
2718 | } |
2719 | transferdetach(transfer); |
2720 | transferendofdata(transfer); |
2721 | } |
2722 | |
2723 | static void transwrite(struct socket *sk, struct dcpeer *peer) |
2724 | { |
2725 | if((peer->state != PEER_TRNS) && (peer->state != PEER_SYNC)) |
2726 | return; |
2727 | if(peer->transfer == NULL) |
2728 | { |
2729 | freedcpeer(peer); |
2730 | return; |
2731 | } |
2732 | dctransgotdata(peer->transfer, peer); |
2733 | } |
2734 | |
2735 | static void udpread(struct socket *sk, void *data) |
2736 | { |
d86b7a9f |
2737 | char *buf, *p, *p2, *hashbuf; |
2738 | size_t buflen, hashlen; |
d3372da9 |
2739 | char *nick, *filename, *hubname; |
99a28d47 |
2740 | struct sockaddr_in hubaddr; |
d3372da9 |
2741 | int size, slots; |
2742 | struct fnetnode *fn, *myfn; |
2743 | struct dchub *hub; |
2744 | struct srchres *sr; |
2745 | wchar_t *wnick, *wfile; |
d86b7a9f |
2746 | struct hash *hash; |
d3372da9 |
2747 | |
2748 | if((buf = sockgetinbuf(sk, &buflen)) == NULL) |
2749 | return; |
2750 | buf = srealloc(buf, buflen + 1); |
2751 | buf[buflen] = 0; |
2752 | if(!strncmp(buf, "$SR ", 4)) |
2753 | { |
2754 | p = buf + 4; |
2755 | nick = p; |
2756 | if((p2 = strchr(p, ' ')) == NULL) |
2757 | { |
2758 | free(buf); |
2759 | return; |
2760 | } |
2761 | *p2 = 0; |
2762 | p = p2 + 1; |
2763 | filename = p; |
2764 | if((p2 = strchr(p, 5)) == NULL) |
2765 | { |
2766 | free(buf); |
2767 | return; |
2768 | } |
2769 | *p2 = 0; |
2770 | p = p2 + 1; |
2771 | if((p2 = strchr(p, ' ')) == NULL) |
2772 | { |
2773 | free(buf); |
2774 | return; |
2775 | } |
2776 | *p2 = 0; |
2777 | size = atoi(p); |
2778 | p = p2 + 1; |
2779 | if((p2 = strchr(p, '/')) == NULL) |
2780 | { |
2781 | free(buf); |
2782 | return; |
2783 | } |
2784 | *p2 = 0; |
2785 | slots = atoi(p); |
2786 | p = p2 + 1; |
2787 | if((p2 = strchr(p, 5)) == NULL) |
2788 | { |
2789 | free(buf); |
2790 | return; |
2791 | } |
2792 | p = p2 + 1; |
2793 | hubname = p; |
2794 | if((p2 = strstr(p, " (")) == NULL) |
2795 | { |
2796 | free(buf); |
2797 | return; |
2798 | } |
2799 | *p2 = 0; |
99a28d47 |
2800 | p = p2 + 2; |
2801 | if((p2 = strchr(p, ':')) == NULL) |
2802 | { |
2803 | free(buf); |
2804 | return; |
2805 | } |
870bf4ad |
2806 | *(p2++) = 0; |
99a28d47 |
2807 | hubaddr.sin_family = AF_INET; |
2808 | if(!inet_aton(p, &hubaddr.sin_addr)) |
2809 | { |
2810 | free(buf); |
2811 | return; |
2812 | } |
2813 | p = p2; |
2814 | if((p2 = strchr(p, ')')) == NULL) |
2815 | { |
2816 | free(buf); |
2817 | return; |
2818 | } |
2819 | *p2 = 0; |
2820 | hubaddr.sin_port = htons(atoi(p)); |
1d85f24b |
2821 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
2822 | if((wfile = icmbstowcs(filename, DCCHARSET)) == NULL) |
2823 | { |
d3372da9 |
2824 | free(buf); |
2825 | return; |
2826 | } |
2827 | myfn = NULL; |
d86b7a9f |
2828 | hash = NULL; |
2829 | if(!strncmp(hubname, "TTH:", 4)) |
d3372da9 |
2830 | { |
d86b7a9f |
2831 | if((hashbuf = base32decode(hubname + 4, &hashlen)) != NULL) |
2832 | { |
2833 | if(hashlen == 24) |
2834 | hash = newhash(L"TTH", 24, hashbuf); |
2835 | free(hashbuf); |
2836 | } |
2837 | } else { |
2838 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
d3372da9 |
2839 | { |
d86b7a9f |
2840 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL)) |
d3372da9 |
2841 | { |
d86b7a9f |
2842 | if((hub->nativename != NULL) && !strcmp(hub->nativename, hubname)) |
d3372da9 |
2843 | { |
d86b7a9f |
2844 | if(myfn == NULL) |
2845 | { |
2846 | myfn = fn; |
2847 | } else { |
2848 | myfn = NULL; |
2849 | break; |
2850 | } |
d3372da9 |
2851 | } |
2852 | } |
2853 | } |
2854 | } |
99a28d47 |
2855 | if(myfn == NULL) |
2856 | { |
2857 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
2858 | { |
39cc1b93 |
2859 | if((fn->fnet == &dcnet) && (fn->sk != NULL) && addreq(fn->sk->remote, (struct sockaddr *)&hubaddr)) |
99a28d47 |
2860 | { |
2861 | myfn = fn; |
2862 | break; |
2863 | } |
2864 | } |
2865 | } |
1d85f24b |
2866 | hub = NULL; |
2867 | if(myfn != NULL) |
2868 | hub = myfn->data; |
2869 | if((wnick = icmbstowcs(nick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
2870 | { |
2871 | free(buf); |
2872 | return; |
2873 | } |
d3372da9 |
2874 | sr = newsrchres(&dcnet, wfile, wnick); |
2875 | if(sr->peernick != NULL) |
2876 | free(sr->peernick); |
2877 | sr->peernick = swcsdup(wnick); |
2878 | sr->size = size; |
2879 | sr->slots = slots; |
2880 | free(wfile); |
2881 | free(wnick); |
2882 | if(myfn != NULL) |
2883 | getfnetnode(sr->fn = myfn); |
d86b7a9f |
2884 | if(hash != NULL) |
2885 | sr->hash = hash; |
d3372da9 |
2886 | submitsrchres(sr); |
2887 | freesrchres(sr); |
2888 | } |
2889 | free(buf); |
2890 | } |
2891 | |
2892 | static void hubread(struct socket *sk, struct fnetnode *fn) |
2893 | { |
2894 | struct dchub *hub; |
2895 | char *newbuf; |
2896 | size_t datalen; |
2897 | char *p; |
2898 | |
2899 | hub = (struct dchub *)fn->data; |
2900 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
2901 | return; |
2902 | if(hub->inbufdata > 500000) /* Discard possible malicious data */ |
2903 | hub->inbufdata = 0; |
2904 | sizebuf2(hub->inbuf, hub->inbufdata + datalen, 1); |
2905 | memcpy(hub->inbuf + hub->inbufdata, newbuf, datalen); |
2906 | free(newbuf); |
2907 | p = hub->inbuf + hub->inbufdata; |
2908 | hub->inbufdata += datalen; |
2909 | while((datalen > 0) && ((p = memchr(p, '|', datalen)) != NULL)) |
2910 | { |
2911 | *(p++) = 0; |
2912 | newqcmd(&hub->queue, hub->inbuf); |
2913 | memmove(hub->inbuf, p, hub->inbufdata -= p - hub->inbuf); |
2914 | datalen = hub->inbufdata; |
2915 | p = hub->inbuf; |
2916 | } |
2917 | } |
2918 | |
2919 | static void huberr(struct socket *sk, int err, struct fnetnode *fn) |
2920 | { |
2921 | killfnetnode(fn); |
2922 | } |
2923 | |
2924 | static int hubsetnick(struct fnetnode *fn, wchar_t *newnick) |
2925 | { |
2926 | struct dchub *hub; |
2927 | char *buf; |
2928 | |
2929 | hub = fn->data; |
1d85f24b |
2930 | if((buf = icwcstombs(newnick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
d3372da9 |
2931 | return(1); |
2932 | if((strchr(buf, ' ') != NULL) || (strchr(buf, '|') != NULL) || (strchr(buf, '$') != NULL)) |
2933 | { |
2934 | free(buf); |
2935 | return(1); |
2936 | } |
2937 | if(hub == NULL) /* Not yet connected */ |
2938 | { |
2939 | free(buf); |
2940 | return(0); |
2941 | } |
2942 | if(hub->nativenick != NULL) |
2943 | free(hub->nativenick); |
2944 | hub->nativenick = buf; |
2945 | return(0); |
2946 | } |
2947 | |
2948 | static struct dchub *newdchub(struct fnetnode *fn) |
2949 | { |
2950 | struct dchub *new; |
1c4b02cd |
2951 | wchar_t *emu; |
1d85f24b |
2952 | wchar_t *wcharset; |
2953 | char *charset; |
d3372da9 |
2954 | |
2955 | new = smalloc(sizeof(*new)); |
2956 | memset(new, 0, sizeof(*new)); |
2957 | fn->data = new; |
1c4b02cd |
2958 | if(confgetint("dc", "dcppemu")) |
2959 | new->dcppemu = 1; |
2960 | if((emu = wpfind(fn->args, L"dcppemu")) != NULL) |
2961 | { |
2962 | if(*emu == L'y') |
2963 | new->dcppemu = 1; |
2964 | if(*emu == L'n') |
2965 | new->dcppemu = 0; |
2966 | } |
1d85f24b |
2967 | charset = NULL; |
2968 | if((wcharset = wpfind(fn->args, L"charset")) != NULL) |
2969 | { |
2970 | if((charset = icwcstombs(wcharset, "US-ASCII")) != NULL) |
2971 | { |
2972 | if(!havecharset(charset)) |
2973 | { |
2974 | free(charset); |
2975 | charset = NULL; |
2976 | } |
2977 | } |
2978 | } |
2979 | if(charset != NULL) |
2980 | new->charset = charset; |
2981 | else |
2982 | new->charset = sstrdup(DCCHARSET); |
d3372da9 |
2983 | if(hubsetnick(fn, fn->mynick)) |
2984 | fnetsetnick(fn, L"DoldaConnectUser-IN"); |
2985 | /* IN as in Invalid Nick */ |
2986 | return(new); |
2987 | } |
2988 | |
2989 | static struct dcpeer *newdcpeer(struct socket *sk) |
2990 | { |
2991 | struct dcpeer *new; |
2992 | |
2993 | new = smalloc(sizeof(*new)); |
2994 | memset(new, 0, sizeof(*new)); |
2995 | new->transfer = NULL; |
2996 | getsock(sk); |
2997 | new->sk = sk; |
1c4b02cd |
2998 | if(confgetint("dc", "dcppemu")) |
2999 | new->dcppemu = 1; |
d3372da9 |
3000 | new->next = peers; |
3001 | new->prev = NULL; |
3002 | if(peers != NULL) |
3003 | peers->prev = new; |
3004 | peers = new; |
3005 | numdcpeers++; |
3006 | return(new); |
3007 | } |
3008 | |
3009 | static void freedcpeer(struct dcpeer *peer) |
3010 | { |
3011 | int i; |
3012 | struct qcommand *qcmd; |
3013 | |
3014 | peer->freeing = 1; |
3015 | if(peers == peer) |
3016 | peers = peer->next; |
3017 | if(peer->next != NULL) |
3018 | peer->next->prev = peer->prev; |
3019 | if(peer->prev != NULL) |
3020 | peer->prev->next = peer->next; |
3021 | if(peer->transfer != NULL) |
3022 | { |
3023 | if(peer->transfer->dir == TRNSD_UP) |
3024 | peer->transfer->close = 1; |
3025 | if(peer->transfer->dir == TRNSD_DOWN) |
3026 | resettransfer(peer->transfer); |
3027 | transferdetach(peer->transfer); |
3028 | } |
1e9d82b1 |
3029 | if(peer->timeout != NULL) |
3030 | canceltimer(peer->timeout); |
d3372da9 |
3031 | if(peer->sk->data == peer) |
3032 | peer->sk->data = NULL; |
3033 | peer->sk->readcb = NULL; |
3034 | peer->sk->writecb = NULL; |
3035 | peer->sk->errcb = NULL; |
3036 | putsock(peer->sk); |
3037 | endcompress(peer); |
3038 | if(peer->supports != NULL) |
3039 | { |
3040 | for(i = 0; peer->supports[i] != NULL; i++) |
3041 | free(peer->supports[i]); |
3042 | free(peer->supports); |
3043 | } |
d3372da9 |
3044 | if(peer->inbuf != NULL) |
3045 | free(peer->inbuf); |
3046 | if(peer->key != NULL) |
3047 | free(peer->key); |
3048 | if(peer->wcsname != NULL) |
3049 | free(peer->wcsname); |
3050 | if(peer->nativename != NULL) |
3051 | free(peer->nativename); |
1d85f24b |
3052 | if(peer->charset != NULL) |
3053 | free(peer->charset); |
d3372da9 |
3054 | if(peer->fn != NULL) |
3055 | putfnetnode(peer->fn); |
3056 | while((qcmd = ulqcmd(&peer->queue)) != NULL) |
3057 | freeqcmd(qcmd); |
3058 | free(peer); |
3059 | numdcpeers--; |
3060 | } |
3061 | |
3062 | static void hubconnect(struct fnetnode *fn) |
3063 | { |
3064 | fn->sk->readcb = (void (*)(struct socket *, void *))hubread; |
3065 | fn->sk->errcb = (void (*)(struct socket *, int, void *))huberr; |
3066 | getfnetnode(fn); |
3067 | fn->data = newdchub(fn); |
3068 | fn->sk->data = fn; |
3069 | return; |
3070 | } |
3071 | |
3072 | static void hubdestroy(struct fnetnode *fn) |
3073 | { |
3074 | struct dchub *hub; |
3075 | struct qcommand *qcmd; |
3076 | |
3077 | hub = (struct dchub *)fn->data; |
9d131372 |
3078 | if((fn->sk != NULL) && (fn->sk->data == fn)) |
d3372da9 |
3079 | { |
9d131372 |
3080 | fn->sk->data = NULL; |
3081 | putfnetnode(fn); |
d3372da9 |
3082 | } |
3083 | if(hub == NULL) |
3084 | return; |
3085 | while((qcmd = ulqcmd(&hub->queue)) != NULL) |
3086 | freeqcmd(qcmd); |
3087 | if(hub->nativename != NULL) |
3088 | free(hub->nativename); |
3089 | if(hub->nativenick != NULL) |
3090 | free(hub->nativenick); |
1d85f24b |
3091 | if(hub->charset != NULL) |
3092 | free(hub->charset); |
d3372da9 |
3093 | if(hub->inbuf != NULL) |
3094 | free(hub->inbuf); |
3095 | free(hub); |
3096 | } |
3097 | |
3098 | static wchar_t *dcbasename(wchar_t *filename) |
3099 | { |
3100 | wchar_t *ret; |
3101 | |
3102 | if((ret = wcsrchr(filename, L'\\')) != NULL) |
3103 | return(ret + 1); |
3104 | return(filename); |
3105 | } |
3106 | |
3107 | static struct transferiface dctransfer = |
3108 | { |
3109 | .detach = (void (*)(struct transfer *, void *))dctransdetach, |
3110 | .gotdata = (void (*)(struct transfer *, void *))dctransgotdata, |
3111 | .endofdata = (void (*)(struct transfer *, void *))dctransendofdata, |
3112 | .wantdata = (void (*)(struct transfer *, void *))dcwantdata |
3113 | }; |
3114 | |
3115 | static struct fnet dcnet = |
3116 | { |
3117 | .name = L"dc", |
3118 | .connect = hubconnect, |
3119 | .destroy = hubdestroy, |
3120 | .setnick = hubsetnick, |
3121 | .reqconn = hubreqconn, |
3122 | .sendchat = hubsendchat, |
3123 | .search = hubsearch, |
3124 | .filebasename = dcbasename |
3125 | }; |
3126 | |
3127 | static void peerread(struct socket *sk, struct dcpeer *peer) |
3128 | { |
3129 | char *newbuf, *p; |
3130 | size_t datalen; |
9a2d6cb8 |
3131 | struct command *cmd; |
d3372da9 |
3132 | |
3133 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
3134 | return; |
3135 | sizebuf2(peer->inbuf, peer->inbufdata + datalen, 1); |
3136 | memcpy(peer->inbuf + peer->inbufdata, newbuf, datalen); |
3137 | free(newbuf); |
d3372da9 |
3138 | peer->inbufdata += datalen; |
9a2d6cb8 |
3139 | if(peer->state == PEER_CMD) |
d3372da9 |
3140 | { |
d3372da9 |
3141 | p = peer->inbuf; |
9a2d6cb8 |
3142 | while((peer->inbufdata > 0) && (p = memchr(peer->inbuf, '|', peer->inbufdata)) != NULL) |
3143 | { |
3144 | *(p++) = 0; |
3145 | newqcmd(&peer->queue, peer->inbuf); |
3146 | for(cmd = peercmds; cmd->handler != NULL; cmd++) |
3147 | { |
5eee9d66 |
3148 | if(!memcmp(peer->inbuf, cmd->name, strlen(cmd->name)) && ((peer->inbuf[strlen(cmd->name)] == ' ') || (peer->inbuf[strlen(cmd->name)] == '|'))) |
9a2d6cb8 |
3149 | break; |
3150 | } |
5eee9d66 |
3151 | memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf); |
9a2d6cb8 |
3152 | if(cmd->stop) |
3153 | { |
3154 | peer->state = PEER_STOP; |
3155 | break; |
3156 | } |
9a2d6cb8 |
3157 | } |
3158 | } else if(peer->state == PEER_TTHL) { |
3159 | handletthl(peer); |
d3372da9 |
3160 | } |
3161 | } |
3162 | |
3163 | static void peererror(struct socket *sk, int err, struct dcpeer *peer) |
3164 | { |
3165 | freedcpeer(peer); |
3166 | } |
3167 | |
3168 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn) |
3169 | { |
3170 | struct dcpeer *peer; |
1c4b02cd |
3171 | struct dchub *hub; |
d3372da9 |
3172 | |
3173 | if(err != 0) |
3174 | { |
3175 | putfnetnode(fn); |
3176 | return; |
3177 | } |
1c4b02cd |
3178 | hub = fn->data; |
d3372da9 |
3179 | peer = newdcpeer(sk); |
3180 | peer->fn = fn; |
3181 | peer->accepted = 0; |
1c4b02cd |
3182 | peer->dcppemu = hub->dcppemu; |
d3372da9 |
3183 | sk->readcb = (void (*)(struct socket *, void *))peerread; |
3184 | sk->errcb = (void (*)(struct socket *, int, void *))peererror; |
3185 | sk->data = peer; |
3186 | socksettos(sk, confgetint("fnet", "fnptos")); |
d3372da9 |
3187 | putsock(sk); |
1e9d82b1 |
3188 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 |
3189 | sendmynick(peer); |
3190 | sendpeerlock(peer); |
d3372da9 |
3191 | } |
3192 | |
3193 | static void peeraccept(struct socket *sk, struct socket *newsk, void *data) |
3194 | { |
3195 | struct dcpeer *peer; |
3196 | |
3197 | peer = newdcpeer(newsk); |
3198 | peer->accepted = 1; |
3199 | newsk->readcb = (void (*)(struct socket *, void *))peerread; |
3200 | newsk->errcb = (void (*)(struct socket *, int, void *))peererror; |
3201 | newsk->data = peer; |
3202 | socksettos(newsk, confgetint("fnet", "fnptos")); |
1e9d82b1 |
3203 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
3204 | } |
3205 | |
3206 | static void updatehmlist(void) |
3207 | { |
3208 | int i, lev, ic, ret; |
3209 | struct sharecache *node; |
3210 | char *buf, *buf2, numbuf[32]; |
3211 | size_t bufsize, bufdata; |
3212 | int fd, ibuf; |
3213 | |
3214 | bufdata = 0; |
3215 | buf = smalloc(bufsize = 65536); |
3216 | node = shareroot->child; |
3217 | lev = 0; |
3218 | while(1) |
3219 | { |
3220 | ic = 0; |
1d85f24b |
3221 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
3222 | if((buf2 = icwcstombs(node->name, DCCHARSET)) != NULL) |
3223 | { |
3224 | for(i = 0; i < lev; i++) |
3225 | addtobuf(buf, 9); |
3226 | bufcat(buf, buf2, strlen(buf2)); |
3227 | free(buf2); |
3228 | if(node->f.b.type == FILE_REG) |
3229 | { |
3230 | addtobuf(buf, '|'); |
3231 | sprintf(numbuf, "%i", node->size); |
3232 | bufcat(buf, numbuf, strlen(numbuf)); |
3233 | } |
3234 | addtobuf(buf, 13); |
3235 | addtobuf(buf, 10); |
3236 | } else { |
3237 | ic = 1; |
3238 | } |
3239 | if((node->child != NULL) && !ic) |
3240 | { |
3241 | lev++; |
3242 | node = node->child; |
3243 | } else if(node->next != NULL) { |
3244 | node = node->next; |
3245 | } else { |
3246 | while(node->next == NULL) |
3247 | { |
3248 | lev--; |
3249 | node = node->parent; |
3250 | if(node == shareroot) |
3251 | break; |
3252 | } |
3253 | if(node == shareroot) |
3254 | break; |
3255 | node = node->next; |
3256 | } |
3257 | } |
3258 | if(hmlistname != NULL) |
3259 | { |
3260 | unlink(hmlistname); |
3261 | free(hmlistname); |
3262 | } |
3263 | hmlistname = sstrdup("/tmp/dc-filelist-hm-XXXXXX"); |
3264 | if((fd = mkstemp(hmlistname)) < 0) |
3265 | { |
3266 | flog(LOG_WARNING, "could not create HM file list tempfile: %s", strerror(errno)); |
3267 | free(hmlistname); |
3268 | hmlistname = NULL; |
3269 | } else { |
3270 | /* |
3271 | * I do not want to implement a good Huffman encoder, and it's not |
3272 | * like Huffman encoding actually yields any impressive results |
3273 | * for DC file lists anyway, so I'll just output a bogus |
3274 | * tree. Implement a good encoder if you want to. |
3275 | */ |
3276 | write(fd, "HE3\r\0", 5); |
3277 | write(fd, &bufdata, 4); |
3278 | ibuf = 256; |
3279 | write(fd, &ibuf, 2); |
3280 | ibuf = 8; |
3281 | for(i = 0; i < 256; i++) |
3282 | { |
3283 | write(fd, &i, 1); |
3284 | write(fd, &ibuf, 1); |
3285 | } |
3286 | for(i = 0; i < 256; i++) |
3287 | write(fd, &i, 1); |
3288 | for(buf2 = buf; bufdata > 0;) |
3289 | { |
3290 | if((ret = write(fd, buf2, bufdata)) < 0) |
3291 | { |
3292 | flog(LOG_WARNING, "could not write file list: %s", strerror(errno)); |
3293 | break; |
3294 | } |
3295 | bufdata -= ret; |
3296 | buf2 += ret; |
3297 | } |
3298 | close(fd); |
3299 | } |
3300 | free(buf); |
3301 | } |
3302 | |
3303 | static struct xmlent |
3304 | { |
3305 | wchar_t c; |
3306 | wchar_t *ent; |
3307 | } entities[] = { |
3308 | {L'&', L"&"}, |
3309 | {L'\"', L"""}, |
3310 | /* {L'\'', L"""}, Emulate DC++ escaping by omitting this. */ |
3311 | {L'\0', NULL} |
3312 | }; |
3313 | |
3314 | static wchar_t *escapexml(wchar_t *src) |
3315 | { |
3316 | static wchar_t *buf = NULL;; |
3317 | int ret, c; |
3318 | wchar_t nbuf[32]; |
3319 | size_t bufsize, bufdata; |
3320 | struct xmlent *ent; |
3321 | |
3322 | if(buf != NULL) |
3323 | free(buf); |
3324 | buf = NULL; |
3325 | bufsize = bufdata = 0; |
3326 | for(; *src != L'\0'; src++) |
3327 | { |
3328 | c = wctob(*src); |
3329 | if((c > 0) && (c < 32)) |
3330 | { |
3331 | bufcat(buf, L"&#", 2); |
3332 | ret = swprintf(nbuf, (sizeof(nbuf) / sizeof(*nbuf)), L"%i", c); |
3333 | bufcat(buf, nbuf, ret); |
3334 | addtobuf(buf, L';'); |
3335 | } else { |
3336 | for(ent = entities; ent->ent != NULL; ent++) |
3337 | { |
3338 | if(ent->c == *src) |
3339 | { |
3340 | bufcat(buf, ent->ent, wcslen(ent->ent)); |
3341 | break; |
3342 | } |
3343 | } |
3344 | if(ent->ent == NULL) |
3345 | addtobuf(buf, *src); |
3346 | } |
3347 | } |
3348 | addtobuf(buf, L'\0'); |
3349 | return(buf); |
3350 | } |
3351 | |
3352 | static void updatexmllist(void) |
3353 | { |
3354 | int i, fd, lev; |
3355 | FILE *fs; |
3356 | char cidbuf[14], *namebuf; |
3357 | char *hashbuf; |
3358 | struct sharecache *node; |
3359 | |
3360 | if(xmllistname != NULL) |
3361 | { |
3362 | unlink(xmllistname); |
3363 | free(xmllistname); |
3364 | } |
3365 | xmllistname = sstrdup("/tmp/dc-filelist-dcxml-XXXXXX"); |
3366 | if((fd = mkstemp(xmllistname)) < 0) |
3367 | { |
3368 | flog(LOG_WARNING, "could not create XML file list tempfile: %s", strerror(errno)); |
3369 | free(xmllistname); |
3370 | xmllistname = NULL; |
3371 | return; |
3372 | } |
3373 | if((fs = fdopen(fd, "w")) == NULL) |
3374 | { |
3375 | flog(LOG_WARNING, "could not fdopen XML list fd %i: %s", fd, strerror(errno)); |
3376 | unlink(xmllistname); |
3377 | free(xmllistname); |
3378 | xmllistname = NULL; |
3379 | close(fd); |
3380 | return; |
3381 | } |
3382 | fprintf(fs, "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>\r\n"); |
3383 | for(i = 0; i < sizeof(cidbuf) - 1; i++) |
3384 | cidbuf[i] = (rand() % ('Z' - 'A' + 1)) + 'A'; |
3385 | cidbuf[i] = 0; |
1c4b02cd |
3386 | if(confgetint("dc", "dcppemu")) |
3387 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"DC++ 0.674\">\r\n", cidbuf); |
3388 | else |
3389 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"%s\">\r\n", cidbuf, "DoldaConnect" VERSION); |
d3372da9 |
3390 | |
3391 | node = shareroot->child; |
3392 | lev = 0; |
3393 | while(1) |
3394 | { |
3395 | if((namebuf = icswcstombs(escapexml(node->name), "UTF-8", NULL)) != NULL) |
3396 | { |
3397 | for(i = 0; i < lev; i++) |
3398 | fputc('\t', fs); |
3399 | if(node->child != NULL) |
3400 | { |
3401 | fprintf(fs, "<Directory Name=\"%s\">\r\n", namebuf); |
3402 | node = node->child; |
3403 | lev++; |
3404 | continue; |
3405 | } else { |
3406 | fprintf(fs, "<File Name=\"%s\" Size=\"%i\"", namebuf, node->size); |
3407 | if(node->f.b.hastth) |
3408 | { |
3409 | hashbuf = base32encode(node->hashtth, 24); |
3410 | fprintf(fs, " TTH=\"%.39s\"", hashbuf); |
3411 | free(hashbuf); |
3412 | } |
3413 | fprintf(fs, "/>\r\n"); |
3414 | } |
3415 | while(node->next == NULL) |
3416 | { |
3417 | node = node->parent; |
3418 | if(node == shareroot) |
3419 | { |
3420 | break; |
3421 | } else { |
3422 | lev--; |
3423 | for(i = 0; i < lev; i++) |
3424 | fputc('\t', fs); |
3425 | fprintf(fs, "</Directory>\r\n"); |
3426 | } |
3427 | } |
3428 | if(node == shareroot) |
3429 | break; |
3430 | node = node->next; |
3431 | } |
3432 | } |
3433 | |
1c4b02cd |
3434 | if(confgetint("dc", "dcppemu")) |
3435 | fprintf(fs, "</FileListing>"); |
3436 | else |
3437 | fprintf(fs, "</FileListing>\r\n"); |
d3372da9 |
3438 | fclose(fs); |
3439 | } |
3440 | |
3441 | static void updatexmlbz2list(void) |
3442 | { |
3443 | int err, fd; |
3444 | FILE *in; |
3445 | FILE *real; |
3446 | BZFILE *out; |
3447 | char buf[1024]; |
3448 | size_t bufdata; |
3449 | |
3450 | if(xmllistname == NULL) |
3451 | return; |
3452 | if((in = fopen(xmllistname, "r")) == NULL) |
3453 | { |
3454 | flog(LOG_WARNING, "could not open XML file list for bzipping: %s", strerror(errno)); |
3455 | return; |
3456 | } |
3457 | if(xmlbz2listname != NULL) |
3458 | { |
3459 | unlink(xmlbz2listname); |
3460 | free(xmlbz2listname); |
3461 | } |
3462 | xmlbz2listname = sstrdup("/tmp/dc-filelist-dcxmlbz2-XXXXXX"); |
3463 | if((fd = mkstemp(xmlbz2listname)) < 0) |
3464 | { |
3465 | flog(LOG_WARNING, "could not create bzipped XML file list tempfile: %s", strerror(errno)); |
3466 | free(xmlbz2listname); |
3467 | xmlbz2listname = NULL; |
3468 | fclose(in); |
3469 | return; |
3470 | } |
3471 | if((real = fdopen(fd, "w")) == NULL) |
3472 | { |
3473 | flog(LOG_WARNING, "could not fdopen bzipped XML list fd %i: %s", fd, strerror(errno)); |
3474 | close(fd); |
3475 | unlink(xmlbz2listname); |
3476 | free(xmlbz2listname); |
3477 | xmlbz2listname = NULL; |
3478 | fclose(in); |
3479 | return; |
3480 | } |
3481 | out = BZ2_bzWriteOpen(&err, real, 9, 0, 0); |
3482 | if(err != BZ_OK) |
3483 | { |
3484 | flog(LOG_WARNING, "could not open bzip2 stream from XML list"); |
3485 | fclose(real); |
3486 | unlink(xmlbz2listname); |
3487 | free(xmlbz2listname); |
3488 | xmlbz2listname = NULL; |
3489 | fclose(in); |
3490 | return; |
3491 | } |
3492 | while(!feof(in)) |
3493 | { |
3494 | bufdata = fread(buf, 1, sizeof(buf), in); |
3495 | BZ2_bzWrite(&err, out, buf, bufdata); |
3496 | } |
3497 | fclose(in); |
3498 | BZ2_bzWriteClose(&err, out, 0, NULL, NULL); |
3499 | fclose(real); |
3500 | } |
3501 | |
3502 | static int shareupdate(unsigned long long uusharesize, void *data) |
3503 | { |
3504 | updatehmlist(); |
3505 | updatexmllist(); |
3506 | updatexmlbz2list(); |
3507 | return(0); |
3508 | } |
3509 | |
3510 | static void dispatchcommand(struct qcommand *qcmd, struct command *cmdlist, struct socket *sk, void *data) |
3511 | { |
3512 | char *p; |
3513 | struct command *cmd; |
3514 | |
3515 | if((p = strchr(qcmd->string, ' ')) != NULL) |
3516 | *(p++) = 0; |
3517 | for(cmd = cmdlist; cmd->handler != NULL; cmd++) |
3518 | { |
3519 | if(!strcmp(cmd->name, qcmd->string)) |
3520 | break; |
3521 | } |
3522 | if(cmd->handler != NULL) |
3523 | cmd->handler(sk, data, qcmd->string, p); |
3524 | /* |
3525 | else |
3526 | flog(LOG_DEBUG, "Unimplemented DC command: %s \"%s\"", qcmd->string, p?p:"noargs"); |
3527 | */ |
3528 | } |
3529 | |
3530 | static int run(void) |
3531 | { |
3532 | struct fnetnode *fn, *nextfn; |
3533 | struct dchub *hub; |
3534 | struct dcpeer *peer, *nextpeer; |
3535 | struct qcommand *qcmd; |
3536 | int ret; |
3537 | |
3538 | ret = 0; |
3539 | for(fn = fnetnodes; fn != NULL; fn = nextfn) |
3540 | { |
3541 | nextfn = fn->next; |
3542 | if(fn->fnet != &dcnet) |
3543 | continue; |
3544 | if(fn->data == NULL) |
3545 | continue; |
3546 | hub = (struct dchub *)fn->data; |
3547 | if((qcmd = ulqcmd(&hub->queue)) != NULL) |
3548 | { |
3549 | if(*qcmd->string == '$') |
3550 | { |
3551 | if((fn->sk != NULL) && (fn->sk->state == SOCK_EST)) |
3552 | dispatchcommand(qcmd, hubcmds, fn->sk, fn); |
3553 | } else if(*qcmd->string != 0) { |
3554 | hubrecvchat(fn->sk, fn, NULL, qcmd->string); |
3555 | } |
3556 | freeqcmd(qcmd); |
3557 | ret = 1; |
3558 | break; |
3559 | } |
3560 | } |
3561 | for(peer = peers; peer != NULL; peer = nextpeer) |
3562 | { |
3563 | nextpeer = peer->next; |
3564 | if((qcmd = ulqcmd(&peer->queue)) != NULL) |
3565 | { |
1e9d82b1 |
3566 | if(peer->timeout != NULL) |
3567 | canceltimer(peer->timeout); |
3568 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
3569 | if(*qcmd->string == '$') |
3570 | dispatchcommand(qcmd, peercmds, peer->sk, peer); |
3571 | freeqcmd(qcmd); |
3572 | ret = 1; |
3573 | break; |
3574 | } |
3575 | } |
3576 | return(ret); |
3577 | } |
3578 | |
3579 | static void preinit(int hup) |
3580 | { |
3581 | if(hup) |
3582 | return; |
3583 | regfnet(&dcnet); |
3584 | } |
3585 | |
3586 | static int updateudpport(struct configvar *var, void *uudata) |
3587 | { |
3588 | struct sockaddr_in addr; |
3589 | struct socket *newsock; |
3590 | |
3591 | memset(&addr, 0, sizeof(addr)); |
3592 | addr.sin_family = AF_INET; |
3593 | addr.sin_port = htons(var->val.num); |
3594 | if((newsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) |
3595 | { |
3596 | flog(LOG_WARNING, "could not create new DC UDP socket, reverting to old: %s", strerror(errno)); |
3597 | return(0); |
3598 | } |
3599 | newsock->readcb = udpread; |
3600 | if(udpsock != NULL) |
3601 | putsock(udpsock); |
3602 | udpsock = newsock; |
3603 | return(0); |
3604 | } |
3605 | |
3606 | static int updatetcpport(struct configvar *var, void *uudata) |
3607 | { |
3608 | struct sockaddr_in addr; |
3609 | struct socket *newsock; |
3610 | |
3611 | memset(&addr, 0, sizeof(addr)); |
3612 | addr.sin_family = AF_INET; |
3613 | addr.sin_port = htons(var->val.num); |
3614 | if((newsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) |
3615 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); |
3616 | if(tcpsock != NULL) |
3617 | putsock(tcpsock); |
3618 | tcpsock = newsock; |
3619 | return(0); |
3620 | } |
3621 | |
3622 | static int init(int hup) |
3623 | { |
3624 | struct sockaddr_in addr; |
3625 | |
3626 | if(!hup) |
3627 | { |
3628 | GCBREG(sharechangecb, shareupdate, NULL); |
3629 | if(udpsock != NULL) |
3630 | putsock(udpsock); |
3631 | if(tcpsock != NULL) |
3632 | putsock(tcpsock); |
3633 | addr.sin_family = AF_INET; |
3634 | memset(&addr.sin_addr, 0, sizeof(addr.sin_addr)); |
3635 | addr.sin_port = htons(confgetint("dc", "udpport")); |
3636 | if((udpsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) |
3637 | { |
3638 | flog(LOG_CRIT, "could not create DC UDP socket: %s", strerror(errno)); |
3639 | return(1); |
3640 | } |
3641 | udpsock->readcb = udpread; |
3642 | addr.sin_port = htons(confgetint("dc", "tcpport")); |
3643 | if((tcpsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) |
3644 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); |
3645 | CBREG(confgetvar("dc", "udpport"), conf_update, updateudpport, NULL, NULL); |
3646 | CBREG(confgetvar("dc", "tcpport"), conf_update, updatetcpport, NULL, NULL); |
3647 | CBREG(confgetvar("net", "mode"), conf_update, updatetcpport, NULL, NULL); |
3648 | } |
3649 | return(0); |
3650 | } |
3651 | |
3652 | static void terminate(void) |
3653 | { |
3654 | if(hmlistname != NULL) |
3655 | { |
3656 | unlink(hmlistname); |
3657 | free(hmlistname); |
3658 | } |
3659 | if(xmllistname != NULL) |
3660 | { |
3661 | unlink(xmllistname); |
3662 | free(xmllistname); |
3663 | } |
3664 | if(xmlbz2listname != NULL) |
3665 | { |
3666 | unlink(xmlbz2listname); |
3667 | free(xmlbz2listname); |
3668 | } |
3669 | } |
3670 | |
3671 | static struct configvar myvars[] = |
3672 | { |
3673 | {CONF_VAR_STRING, "desc", {.str = L""}}, |
3674 | {CONF_VAR_STRING, "speedstring", {.str = L"LAN(T1)"}}, |
3675 | {CONF_VAR_STRING, "email", {.str = L"spam@spam.org"}}, |
3676 | {CONF_VAR_INT, "udpport", {.num = 0}}, |
3677 | {CONF_VAR_INT, "tcpport", {.num = 0}}, |
1c4b02cd |
3678 | {CONF_VAR_BOOL, "dcppemu", {.num = 0}}, |
d3372da9 |
3679 | {CONF_VAR_END} |
3680 | }; |
3681 | |
3682 | static struct module me = |
3683 | { |
3684 | .conf = |
3685 | { |
3686 | .vars = myvars |
3687 | }, |
3688 | .preinit = preinit, |
3689 | .init = init, |
3690 | .run = run, |
3691 | .terminate = terminate, |
3692 | .name = "dc" |
3693 | }; |
3694 | |
3695 | MODULE(me) |