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 | |
d57f938a |
593 | if(!wcscmp(peer->transfer->path, L"files.xml") || !wcscmp(peer->transfer->path, L"files.xml.bz2") || !wcscmp(peer->transfer->path, L"MyList.DcLst")) |
594 | isfilelist = 1; |
595 | if(!isfilelist && (peer->transfer->hash != NULL) && isdchash(peer->transfer->hash) && supports(peer, "tthf")) |
9a2d6cb8 |
596 | { |
597 | buf = base32encode(peer->transfer->hash->buf, 24); |
598 | ret = sprintf2("TTH/%.39s", buf); |
599 | free(buf); |
600 | } else { |
601 | if((buf = icwcstombs(peer->transfer->path, "UTF-8")) == NULL) |
602 | return(NULL); |
603 | ret = pathnmdc2adc(buf); |
604 | free(buf); |
605 | } |
606 | return(ret); |
607 | } |
608 | |
609 | |
d3372da9 |
610 | static int trresumecb(struct transfer *transfer, wchar_t *cmd, wchar_t *arg, struct dcpeer *peer) |
611 | { |
612 | if(!wcscmp(cmd, L"resume")) |
613 | { |
614 | if(arg == NULL) |
615 | { |
616 | flog(LOG_WARNING, "filter returned no position for \"resume\" on transfer %i", transfer->id); |
617 | freedcpeer(peer); |
618 | } else { |
619 | transfer->curpos = wcstol(arg, NULL, 10); |
9a2d6cb8 |
620 | peer->hascurpos = 1; |
621 | requestfile(peer); |
d3372da9 |
622 | } |
d3372da9 |
623 | return(1); |
624 | } |
625 | return(0); |
626 | } |
627 | |
9a2d6cb8 |
628 | static void sendmynick(struct dcpeer *peer) |
d3372da9 |
629 | { |
1d85f24b |
630 | struct fnetnode *fn; |
d3372da9 |
631 | |
1d85f24b |
632 | fn = peer->fn; |
633 | if(fn == NULL) |
634 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 |
635 | else |
1d85f24b |
636 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(fn->mynick, peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 |
637 | } |
638 | |
639 | static void sendpeerlock(struct dcpeer *peer) |
640 | { |
1c4b02cd |
641 | if(peer->dcppemu) |
642 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|"); |
643 | else |
644 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION); |
9a2d6cb8 |
645 | } |
646 | |
647 | static void sendsupports(struct dcpeer *peer) |
648 | { |
1c4b02cd |
649 | if(peer->dcppemu) |
650 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |"); |
651 | else |
652 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG|"); |
9a2d6cb8 |
653 | } |
654 | |
655 | static void requestfile(struct dcpeer *peer) |
656 | { |
657 | char *buf; |
658 | |
659 | if(peer->transfer->size == -1) |
d3372da9 |
660 | { |
1d85f24b |
661 | /* Use DCCHARSET for $Get paths until further researched... */ |
9a2d6cb8 |
662 | if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL) |
d3372da9 |
663 | { |
9a2d6cb8 |
664 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
665 | freedcpeer(peer); |
d3372da9 |
666 | return; |
667 | } |
9a2d6cb8 |
668 | /* The transfer will be restarted later from |
669 | * cmd_filelength when it detects that the sizes |
670 | * don't match. */ |
671 | qstrf(peer->sk, "$Get %s$1|", buf); |
672 | return; |
d3372da9 |
673 | } |
9a2d6cb8 |
674 | if((peer->transfer->hash == NULL) && !peer->notthl) |
d3372da9 |
675 | { |
9a2d6cb8 |
676 | if(supports(peer, "adcget") && supports(peer, "tthl")) |
d3372da9 |
677 | { |
9a2d6cb8 |
678 | qstr(peer->sk, "$ADCGET"); |
679 | sendadc(peer->sk, "tthl"); |
680 | if((buf = getadcid(peer)) == NULL) |
d3372da9 |
681 | { |
9a2d6cb8 |
682 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
d3372da9 |
683 | freedcpeer(peer); |
684 | return; |
685 | } |
9a2d6cb8 |
686 | sendadc(peer->sk, buf); |
687 | free(buf); |
688 | sendadc(peer->sk, "0"); |
689 | sendadc(peer->sk, "-1"); |
690 | qstr(peer->sk, "|"); |
df873cd0 |
691 | peer->fetchingtthl = 1; |
9a2d6cb8 |
692 | return; |
693 | } |
694 | } |
695 | if(!peer->hascurpos) |
696 | { |
697 | if(forkfilter(peer->transfer)) |
698 | { |
699 | flog(LOG_WARNING, "could not fork filter for transfer %i: %s", peer->transfer->id, strerror(errno)); |
700 | freedcpeer(peer); |
701 | return; |
d3372da9 |
702 | } |
9a2d6cb8 |
703 | CBREG(peer->transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer); |
704 | return; |
705 | } |
706 | if(supports(peer, "adcget")) |
707 | { |
708 | qstr(peer->sk, "$ADCGET"); |
709 | sendadc(peer->sk, "file"); |
710 | if((buf = getadcid(peer)) == NULL) |
711 | { |
712 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
713 | freedcpeer(peer); |
714 | return; |
715 | } |
716 | sendadc(peer->sk, buf); |
717 | free(buf); |
718 | sendadcf(peer->sk, "%i", peer->transfer->curpos); |
719 | sendadcf(peer->sk, "%i", peer->transfer->size - peer->transfer->curpos); |
720 | qstr(peer->sk, "|"); |
721 | } else if(supports(peer, "xmlbzlist")) { |
722 | if((buf = icswcstombs(peer->transfer->path, "UTF-8", NULL)) == NULL) |
723 | { |
724 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
725 | freedcpeer(peer); |
726 | return; |
727 | } |
728 | qstrf(peer->sk, "$UGetBlock %i %i %s|", peer->transfer->curpos, peer->transfer->size - peer->transfer->curpos, buf); |
d3372da9 |
729 | } else { |
1d85f24b |
730 | /* Use DCCHARSET for $Get paths until further researched... */ |
9a2d6cb8 |
731 | if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL) |
d3372da9 |
732 | { |
9a2d6cb8 |
733 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
734 | freedcpeer(peer); |
735 | return; |
d3372da9 |
736 | } |
9a2d6cb8 |
737 | qstrf(peer->sk, "$Get %s$%i|", buf, peer->transfer->curpos + 1); |
d3372da9 |
738 | } |
739 | } |
740 | |
741 | static void sendmyinfo(struct socket *sk, struct fnetnode *fn) |
742 | { |
743 | struct dchub *hub; |
744 | char *buf; |
745 | struct fnetnode *cfn; |
69757b8c |
746 | int hn1, hn2, hn3; |
d3372da9 |
747 | |
748 | hub = fn->data; |
749 | qstrf(sk, "$MyINFO $ALL %s ", hub->nativenick); |
1d85f24b |
750 | buf = tr(icswcstombs(confgetstr("dc", "desc"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
751 | qstrf(sk, "%s", buf); |
69757b8c |
752 | hn1 = hn2 = hn3 = 0; |
d3372da9 |
753 | for(cfn = fnetnodes; cfn != NULL; cfn = cfn->next) |
754 | { |
755 | if((cfn->state == FNN_EST) || (cfn->state == FNN_HS)) |
69757b8c |
756 | { |
757 | if(cfn->regstatus == FNNS_OP) |
758 | hn3++; |
759 | else if(cfn->regstatus == FNNS_REG) |
760 | hn2++; |
761 | else |
762 | hn1++; |
763 | } |
d3372da9 |
764 | } |
69757b8c |
765 | qstrf(sk, "<%s V:%s,M:%c,H:%i/%i/%i,S:%i>", |
1c4b02cd |
766 | (hub->dcppemu)?"++":"Dolda", |
767 | (hub->dcppemu)?"0.674":VERSION, |
d3372da9 |
768 | (tcpsock == NULL)?'P':'A', |
69757b8c |
769 | hn1, hn2, hn3, |
d3372da9 |
770 | confgetint("transfer", "slots") |
771 | ); |
772 | qstrf(sk, "$ $"); |
1d85f24b |
773 | buf = tr(icswcstombs(confgetstr("dc", "speedstring"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
774 | qstrf(sk, "%s\x01$", buf); |
1d85f24b |
775 | buf = tr(icswcstombs(confgetstr("dc", "email"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
776 | qstrf(sk, "%s$", buf); |
777 | qstrf(sk, "%llu$|", sharesize); |
778 | } |
779 | |
780 | static void hubhandleaction(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
781 | { |
782 | struct dchub *hub; |
783 | |
784 | hub = fn->data; |
785 | if(!strcmp(cmd, "$Lock")) |
786 | { |
787 | qstrf(sk, "$ValidateNick %s|", hub->nativenick); |
788 | } else if(!strcmp(cmd, "$Hello")) { |
789 | if(fn->state == FNN_HS) |
790 | { |
791 | qstrf(sk, "$Version 1,0091|"); |
792 | qstrf(sk, "$GetNickList|"); |
793 | sendmyinfo(sk, fn); |
794 | fnetsetstate(fn, FNN_EST); |
795 | } else { |
796 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); |
797 | } |
798 | } |
799 | } |
800 | |
801 | static void cmd_lock(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
802 | { |
803 | struct dchub *hub; |
804 | char *key; |
805 | char *p; |
806 | |
807 | hub = fn->data; |
808 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) |
809 | hub->extended = 1; |
810 | if((p = strchr(args, ' ')) != NULL) |
811 | *(p++) = 0; |
812 | if(hub->extended) |
813 | { |
1c4b02cd |
814 | if(hub->dcppemu) |
815 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock |"); |
816 | else |
817 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock|"); |
d3372da9 |
818 | } |
819 | key = dcmakekey(args); |
820 | qstrf(sk, "$Key %s|", key); |
821 | free(key); |
822 | hubhandleaction(sk, fn, cmd, args); |
823 | } |
824 | |
825 | static void cmd_hubname(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
826 | { |
827 | wchar_t *buf; |
828 | struct dchub *hub; |
829 | |
830 | hub = fn->data; |
831 | if(hub->nativename == NULL) |
832 | free(hub->nativename); |
833 | hub->nativename = sstrdup(args); |
1d85f24b |
834 | buf = icmbstowcs(args, hub->charset); |
d3372da9 |
835 | fnetsetname(fn, (buf == NULL)?L"Hubname conv error":buf); |
836 | if(buf != NULL) |
837 | free(buf); |
838 | hubhandleaction(sk, fn, cmd, args); |
839 | } |
840 | |
841 | static void cmd_hello(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
842 | { |
843 | wchar_t *nick; |
844 | struct dchub *hub; |
845 | |
846 | hub = fn->data; |
1d85f24b |
847 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 |
848 | return; |
849 | if(strcmp(args, hub->nativenick) && (fnetfindpeer(fn, nick) == NULL)) |
850 | fnetaddpeer(fn, nick, nick); |
851 | free(nick); |
852 | hubhandleaction(sk, fn, cmd, args); |
853 | } |
854 | |
855 | static void cmd_quit(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
856 | { |
857 | wchar_t *nick; |
858 | struct fnetpeer *peer; |
859 | struct dchub *hub; |
860 | |
861 | hub = fn->data; |
1d85f24b |
862 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 |
863 | return; |
864 | if((peer = fnetfindpeer(fn, nick)) != NULL) |
865 | fnetdelpeer(peer); |
866 | free(nick); |
867 | hubhandleaction(sk, fn, cmd, args); |
868 | } |
869 | |
870 | static void cmd_nicklist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
871 | { |
872 | struct dchub *hub; |
873 | char *p; |
874 | wchar_t *buf; |
875 | struct fnetpeer *peer, *npeer; |
876 | |
877 | hub = fn->data; |
878 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
879 | peer->flags.b.delete = 1; |
880 | while((p = strstr(args, "$$")) != NULL) |
881 | { |
882 | *p = 0; |
1d85f24b |
883 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 |
884 | { |
885 | if((peer = fnetfindpeer(fn, buf)) == NULL) |
886 | peer = fnetaddpeer(fn, buf, buf); |
887 | else |
888 | peer->flags.b.delete = 0; |
889 | free(buf); |
890 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); |
891 | } |
892 | args = p + 2; |
893 | } |
894 | for(peer = fn->peers; peer != NULL; peer = npeer) |
895 | { |
896 | npeer = peer->next; |
897 | if(peer->flags.b.delete) |
898 | fnetdelpeer(peer); |
899 | } |
900 | hubhandleaction(sk, fn, cmd, args); |
901 | } |
902 | |
903 | static void cmd_oplist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
904 | { |
905 | struct dchub *hub; |
906 | char *p; |
907 | wchar_t *buf; |
908 | struct fnetpeer *peer; |
909 | |
910 | hub = fn->data; |
911 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
912 | peer->flags.b.op = 0; |
913 | while((p = strstr(args, "$$")) != NULL) |
914 | { |
915 | *p = 0; |
1d85f24b |
916 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 |
917 | { |
918 | if((peer = fnetfindpeer(fn, buf)) != NULL) |
919 | peer->flags.b.op = 1; |
920 | free(buf); |
921 | } |
922 | args = p + 2; |
923 | } |
924 | hubhandleaction(sk, fn, cmd, args); |
925 | } |
926 | |
927 | static void cmd_myinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
928 | { |
929 | char *p, *p2; |
930 | wchar_t *buf, *wp, *wp2; |
931 | wchar_t abuf[10]; |
932 | struct fnetpeer *peer; |
933 | struct dchub *hub; |
934 | |
935 | hub = fn->data; |
936 | p = args; |
937 | if(strncmp(p, "$ALL ", 5)) |
938 | return; |
939 | p += 5; |
940 | if((p2 = strchr(p, ' ')) == NULL) |
941 | return; |
942 | *p2 = 0; |
1d85f24b |
943 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
944 | return; |
945 | if((peer = fnetfindpeer(fn, buf)) == NULL) |
946 | peer = fnetaddpeer(fn, buf, buf); |
947 | free(buf); |
948 | p = p2 + 1; |
949 | if((p2 = strstr(p, "$ $")) == NULL) |
950 | return; |
951 | *p2 = 0; |
1d85f24b |
952 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
953 | return; |
316e9a13 |
954 | if((wcslen(buf) > 0) && (buf[wcslen(buf) - 1] == L'>') && ((wp = wcsrchr(buf, L'<')) != NULL)) |
d3372da9 |
955 | { |
956 | buf[wcslen(buf) - 1] = L'\0'; |
957 | *(wp++) = L'\0'; |
958 | if((wp2 = wcschr(wp, L' ')) != NULL) |
959 | { |
960 | *(wp2++) = L'\0'; |
961 | fnetpeersetstr(peer, L"dc-client", wp); |
962 | wp = wp2; |
963 | do |
964 | { |
965 | if((wp2 = wcschr(wp, L',')) != NULL) |
966 | *(wp2++) = L'\0'; |
967 | if(wp[1] != L':') |
968 | continue; |
969 | swprintf(abuf, 10, L"dc-tag-%lc", wp[0]); |
970 | fnetpeersetstr(peer, abuf, wp + 2); |
971 | wp = wp2; |
972 | } while(wp2 != NULL); |
973 | } |
974 | } |
975 | fnetpeersetstr(peer, L"descr", buf); |
976 | free(buf); |
977 | p = p2 + 3; |
978 | if((p2 = strchr(p, '$')) == NULL) |
979 | return; |
980 | *(p2 - 1) = 0; |
1d85f24b |
981 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
982 | return; |
983 | fnetpeersetstr(peer, L"dc-speed", buf); |
984 | free(buf); |
985 | p = p2 + 1; |
986 | if((p2 = strchr(p, '$')) == NULL) |
987 | return; |
988 | *p2 = 0; |
1d85f24b |
989 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
990 | return; |
991 | fnetpeersetstr(peer, L"email", buf); |
992 | free(buf); |
993 | p = p2 + 1; |
994 | if(strlen(p) < 1) |
995 | return; |
996 | fnetpeersetlnum(peer, L"share", strtoll(p, NULL, 10)); |
997 | hubhandleaction(sk, fn, cmd, args); |
998 | } |
999 | |
1000 | /* I do not implement the fully in that I do not disconnect from the |
1001 | * old hub. I do this since I believe that if the hub owner really |
1002 | * wants to get rid of us, then it is his responsibility to disconnect |
1003 | * us. */ |
1004 | static void cmd_forcemove(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1005 | { |
1006 | struct dchub *hub; |
1007 | struct fnetnode *newfn; |
1008 | int freeargs; |
1009 | |
1010 | hub = fn->data; |
1011 | if(strchr(args, ':') == NULL) |
1012 | { |
1013 | args = strcpy(smalloc(strlen(args) + 5), args); |
1014 | strcat(args, ":411"); |
1015 | freeargs = 1; |
1016 | } else { |
1017 | freeargs = 0; |
1018 | } |
efc05613 |
1019 | if((newfn = fnetinitconnect(L"dc", args, NULL)) != NULL) |
d3372da9 |
1020 | { |
1021 | linkfnetnode(newfn); |
1022 | putfnetnode(newfn); |
1023 | } |
1024 | hubhandleaction(sk, fn, cmd, args); |
1025 | if(freeargs) |
1026 | free(args); |
1027 | } |
1028 | |
1d85f24b |
1029 | static char *getdcpath(struct sharecache *node, size_t *retlen, char *charset) |
d3372da9 |
1030 | { |
1031 | char *buf, *buf2; |
1032 | size_t len, len2; |
1033 | |
1034 | if(node->parent == NULL) |
1035 | return(NULL); |
1036 | if(node->parent == shareroot) |
1037 | { |
1d85f24b |
1038 | if((buf = icwcstombs(node->name, charset)) == NULL) |
d3372da9 |
1039 | return(NULL); |
1040 | if(retlen != NULL) |
1041 | *retlen = strlen(buf); |
1042 | return(buf); |
1043 | } else { |
1d85f24b |
1044 | if((buf2 = icwcstombs(node->name, charset)) == NULL) |
d3372da9 |
1045 | return(NULL); |
1d85f24b |
1046 | if((buf = getdcpath(node->parent, &len, charset)) == NULL) |
d3372da9 |
1047 | { |
1048 | free(buf2); |
1049 | return(NULL); |
1050 | } |
1051 | len2 = strlen(buf2); |
1052 | buf = srealloc(buf, len + 1 + len2 + 1); |
1053 | buf[len++] = '\\'; |
1054 | strcpy(buf + len, buf2); |
1055 | buf[len + len2] = 0; |
1056 | free(buf2); |
1057 | if(retlen != NULL) |
1058 | *retlen = len + len2; |
1059 | return(buf); |
1060 | } |
1061 | } |
1062 | |
1063 | /* |
1064 | * This is the main share searching function for Direct Connect |
1065 | * peers. Feel free to optimize it if you feel the need for it. I |
1066 | * haven't ever seen it take any noticable CPU time anyway, so I |
1067 | * haven't felt that need. |
1068 | * |
1069 | * It may feel dubious to just return the directory when all terms are |
1070 | * satisfied rather than all the files in it, but it really benefits |
1071 | * everyone: Less cycles used for us, less UDP squelching for active |
1072 | * searchers, and less bandwidth waste for hubs when serving passive |
1073 | * searchers. |
1074 | */ |
1075 | static void cmd_search(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1076 | { |
1077 | int i, done; |
1078 | struct dchub *hub; |
1079 | char *p, *p2; |
1080 | char *prefix, *infix, *postfix, *buf, *buf2; |
1081 | struct socket *dsk; |
1082 | struct sockaddr_in addr; |
1083 | struct sharecache *node; |
1084 | int minsize, maxsize; |
1085 | int dotth, buflen; |
1086 | int termnum, satisfied, skipcheck; |
1087 | int level, tersat[32]; |
1088 | wchar_t *terms[32]; |
1089 | char hashtth[24]; |
1090 | |
1091 | hub = fn->data; |
1092 | if((p = strchr(args, ' ')) == NULL) |
1093 | return; |
1094 | *(p++) = 0; |
1095 | |
1096 | memset(terms, 0, sizeof(terms)); |
1097 | prefix = infix = postfix = NULL; |
1098 | dsk = NULL; |
1099 | dotth = 0; |
1100 | |
1101 | if(!strncmp(args, "Hub:", 4)) |
1102 | { |
1103 | if(!strcmp(cmd, "$MultiSearch")) |
1104 | goto out; |
1105 | if(!strcmp(args + 4, hub->nativenick)) |
1106 | goto out; |
1107 | prefix = sprintf2("$SR %s ", hub->nativenick); |
1108 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); |
1109 | postfix = sprintf2(" (%s)\005%s|", formataddress(fn->sk->remote, fn->sk->remotelen), args + 4); |
1110 | dsk = sk; |
1111 | getsock(dsk); |
1112 | } else { |
1113 | if((p2 = strchr(args, ':')) == NULL) |
1114 | goto out; |
1115 | *(p2++) = 0; |
1116 | addr.sin_family = AF_INET; |
1117 | if(!inet_aton(args, &addr.sin_addr)) |
1118 | goto out; |
1119 | addr.sin_port = htons(atoi(p2)); |
1120 | prefix = sprintf2("$SR %s ", hub->nativenick); |
1121 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); |
1122 | postfix = sprintf2(" (%s)|", formataddress(fn->sk->remote, fn->sk->remotelen)); |
1123 | netdgramconn(dsk = netdupsock(udpsock), (struct sockaddr *)&addr, sizeof(addr)); |
1124 | } |
1125 | |
1126 | minsize = maxsize = -1; |
1127 | if(*p == 0) |
1128 | goto out; |
1129 | if(*(p++) == 'T') |
1130 | minsize = 0; |
1131 | if(*(p++) != '?') |
1132 | goto out; |
1133 | if(*p == 0) |
1134 | goto out; |
9d8cf743 |
1135 | if((*(p++) == 'T') && (minsize == 0)) |
d3372da9 |
1136 | { |
1137 | maxsize = 0; |
1138 | minsize = -1; |
1139 | } |
1140 | if(*(p++) != '?') |
1141 | goto out; |
1142 | if((p2 = strchr(p, '?')) == NULL) |
1143 | goto out; |
1144 | *(p2++) = 0; |
1145 | if(minsize == 0) |
1146 | minsize = atoi(p); |
1147 | if(maxsize == 0) |
1148 | maxsize = atoi(p); |
1149 | p = p2 + 1; |
1150 | if(*(p++) != '?') |
1151 | goto out; |
1152 | termnum = 0; |
1153 | p2 = p; |
1154 | done = 0; |
1155 | while(!done) |
1156 | { |
1157 | if((*p2 == 0) || (*p2 == '$')) |
1158 | { |
1159 | if(*p2 == 0) |
1160 | done = 1; |
1161 | else |
1162 | *p2 = 0; |
1163 | if(*p) |
1164 | { |
1165 | if(!dotth && !strncmp(p, "TTH:", 4)) |
1166 | { |
1167 | dotth = 1; |
1168 | if((buf = base32decode(p + 4, &buflen)) == NULL) |
1169 | goto out; |
1170 | if(buflen != 24) |
1171 | goto out; |
1172 | memcpy(hashtth, buf, 24); |
1173 | free(buf); |
1174 | } else { |
1d85f24b |
1175 | if((terms[termnum] = icmbstowcs(p, hub->charset)) != NULL) |
d3372da9 |
1176 | termnum++; |
1177 | } |
1178 | } |
1179 | p = p2 + 1; |
1180 | if(termnum == 32) |
1181 | break; |
1182 | } |
1183 | p2++; |
1184 | } |
1185 | |
1186 | node = shareroot->child; |
1187 | level = 0; |
1188 | for(i = 0; i < termnum; i++) |
1189 | tersat[i] = -1; |
1190 | satisfied = 0; |
1191 | while(1) |
1192 | { |
1193 | skipcheck = 0; |
1194 | if(node->f.b.type == FILE_REG) |
1195 | { |
1196 | if((minsize >= 0) && (node->size < minsize)) |
1197 | skipcheck = 1; |
1198 | if((maxsize >= 0) && (node->size > maxsize)) |
1199 | skipcheck = 1; |
1200 | } |
1201 | if(!skipcheck && dotth) |
1202 | { |
1203 | if((node->f.b.type != FILE_REG) || (node->f.b.hastth && memcmp(hashtth, node->hashtth, 24))) |
1204 | skipcheck = 1; |
1205 | } |
1206 | if(!skipcheck) |
1207 | { |
1208 | for(i = 0; i < termnum; i++) |
1209 | { |
1210 | if(tersat[i] >= 0) |
1211 | continue; |
1212 | if(wcsexists(node->name, terms[i])) |
1213 | { |
1214 | tersat[i] = level; |
1215 | satisfied++; |
1216 | } else if(node->child == NULL) { |
1217 | break; |
1218 | } |
1219 | } |
1220 | } |
1221 | if(!skipcheck && (satisfied == termnum)) |
1222 | { |
1d85f24b |
1223 | /* Use DCCHARSET in $Get paths until further researched... */ |
1224 | if((buf = getdcpath(node, NULL, DCCHARSET)) != NULL) |
d3372da9 |
1225 | { |
1226 | if(node->f.b.hastth) |
1227 | { |
1228 | buf2 = base32encode(node->hashtth, 24); |
1229 | qstrf(dsk, "%s%s\005%i%sTTH:%.39s%s", prefix, buf, node->size, infix, buf2, postfix); |
1230 | free(buf2); |
1231 | } else { |
1232 | qstrf(dsk, "%s%s\005%i%s%s%s", prefix, buf, node->size, infix, hub->nativename, postfix); |
1233 | } |
1234 | free(buf); |
1235 | } |
1236 | } |
1237 | if((!skipcheck && (satisfied == termnum)) || (node->child == NULL)) |
1238 | { |
1239 | while(node->next == NULL) |
1240 | { |
1241 | if((node = node->parent) == shareroot) |
1242 | break; |
1243 | level--; |
1244 | } |
1245 | if(node == shareroot) |
1246 | break; |
1247 | for(i = 0; i < termnum; i++) |
1248 | { |
1249 | if(tersat[i] >= level) |
1250 | { |
1251 | tersat[i] = -1; |
1252 | satisfied--; |
1253 | } |
1254 | } |
1255 | node = node->next; |
1256 | } else { |
1257 | node = node->child; |
1258 | level++; |
1259 | } |
1260 | } |
1261 | |
1262 | hubhandleaction(sk, fn, cmd, args); |
1263 | |
1264 | out: |
1265 | if(dsk != NULL) |
1266 | putsock(dsk); |
1267 | if(prefix != NULL) |
1268 | free(prefix); |
1269 | if(infix != NULL) |
1270 | free(infix); |
1271 | if(postfix != NULL) |
1272 | free(postfix); |
1273 | for(i = 0; (i < 32) && (terms[i] != NULL); i++) |
1274 | free(terms[i]); |
1275 | } |
1276 | |
1277 | static void cmd_connecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1278 | { |
1279 | char *p; |
1280 | struct dchub *hub; |
1281 | struct socket *newsk; |
1282 | struct sockaddr_in addr; |
1283 | |
1284 | hub = fn->data; |
1285 | if((p = strchr(args, ' ')) == NULL) |
1286 | return; |
1287 | *(p++) = 0; |
1288 | if(strcmp(args, hub->nativenick)) |
1289 | return; |
1290 | addr.sin_family = AF_INET; |
1291 | args = p; |
1292 | if((p = strchr(args, ':')) == NULL) |
1293 | return; |
1294 | *(p++) = 0; |
1295 | addr.sin_port = htons(atoi(p)); |
1296 | if(!inet_aton(args, &addr.sin_addr)) |
1297 | return; |
1298 | newsk = netcsconn((struct sockaddr *)&addr, sizeof(addr), (void (*)(struct socket *, int, void *))peerconnect, fn); |
1299 | getfnetnode(fn); |
1300 | hubhandleaction(sk, fn, cmd, args); |
1301 | } |
1302 | |
1303 | static void sendctm(struct socket *sk, char *nick) |
1304 | { |
1305 | struct sockaddr *addr; |
1306 | socklen_t addrlen; |
1307 | |
1308 | if(tcpsock == NULL) |
1309 | return; |
1310 | if(sockgetremotename(tcpsock, &addr, &addrlen) < 0) |
1311 | return; |
1312 | if(addr->sa_family == AF_INET) |
1313 | qstrf(sk, "$ConnectToMe %s %s|", nick, formataddress(addr, addrlen)); |
1314 | else |
1315 | flog(LOG_WARNING, "Direct Connect TCP socket is suddenly not AF_INET, but %i", addr->sa_family); |
1316 | free(addr); |
1317 | } |
1318 | |
1319 | static void cmd_revconnecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1320 | { |
1321 | struct dchub *hub; |
1322 | char *p; |
1323 | |
1324 | hub = fn->data; |
1325 | if((p = strchr(args, ' ')) == NULL) |
1326 | return; |
1327 | *(p++) = 0; |
1328 | if(strcmp(p, hub->nativenick)) |
1329 | return; |
1330 | sendctm(sk, args); |
1331 | expectpeer(args, fn); |
1332 | hubhandleaction(sk, fn, cmd, args); |
1333 | } |
1334 | |
1335 | static void cmd_getnetinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1336 | { |
1337 | struct dchub *hub; |
1338 | struct fnetnode *node; |
1339 | int numhubs; |
1340 | |
1341 | hub = fn->data; |
1342 | numhubs = 0; |
1343 | for(node = fnetnodes; node != NULL; node = node->next) |
1344 | { |
1345 | if(node->state == FNN_EST) |
1346 | numhubs++; |
1347 | } |
1348 | qstrf(sk, "$NetInfo %i$%i$%c$0|", confgetint("transfer", "slots"), numhubs, (tcpsock == NULL)?'P':'A'); |
1349 | hubhandleaction(sk, fn, cmd, args); |
1350 | } |
1351 | |
1352 | static void cmd_to(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1353 | { |
1354 | struct dchub *hub; |
1355 | char *p, *p2; |
1356 | |
1357 | hub = fn->data; |
1358 | p = args; |
1359 | if((p2 = strchr(p, ' ')) == NULL) |
1360 | return; |
1361 | *(p2++) = 0; |
1362 | p = p2; |
1363 | if((p2 = strchr(p, ' ')) == NULL) |
1364 | return; |
1365 | *(p2++) = 0; |
1366 | if(strcmp(p, "From:")) |
1367 | return; |
1368 | p = p2; |
1369 | if((p2 = strstr(p, " $")) == NULL) |
1370 | return; |
1371 | *p2 = 0; |
1372 | p2 += 2; |
1373 | hubrecvchat(fn->sk, fn, p, p2); |
1374 | hubhandleaction(sk, fn, cmd, args); |
1375 | } |
1376 | |
1377 | static void cmd_sr(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1378 | { |
1379 | struct dchub *hub; |
d86b7a9f |
1380 | char *p, *p2, *buf; |
d3372da9 |
1381 | char *nick, *filename, *hubname; |
1382 | int size, slots; |
d86b7a9f |
1383 | size_t buflen; |
d3372da9 |
1384 | struct srchres *sr; |
1385 | wchar_t *wnick, *wfile; |
1386 | |
1387 | hub = fn->data; |
1388 | nick = p = args; |
1389 | if((p2 = strchr(p, ' ')) == NULL) |
1390 | return; |
1391 | *p2 = 0; |
1392 | p = p2 + 1; |
1393 | filename = p; |
1394 | if((p2 = strchr(p, 5)) == NULL) |
1395 | return; |
1396 | *p2 = 0; |
1397 | p = p2 + 1; |
1398 | if((p2 = strchr(p, ' ')) == NULL) |
1399 | return; |
1400 | *p2 = 0; |
1401 | size = atoi(p); |
1402 | p = p2 + 1; |
1403 | if((p2 = strchr(p, '/')) == NULL) |
1404 | return; |
1405 | *p2 = 0; |
1406 | slots = atoi(p); |
1407 | p = p2 + 1; |
1408 | if((p2 = strchr(p, 5)) == NULL) |
1409 | return; |
1410 | p = p2 + 1; |
1411 | hubname = p; |
1412 | if((p2 = strstr(p, " (")) == NULL) |
1413 | return; |
1414 | *p2 = 0; |
1d85f24b |
1415 | if((wnick = icmbstowcs(nick, hub->charset)) == NULL) |
d3372da9 |
1416 | return; |
1d85f24b |
1417 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1418 | if((wfile = icmbstowcs(filename, DCCHARSET)) == NULL) |
1419 | { |
1420 | free(wnick); |
1421 | return; |
1422 | } |
1423 | sr = newsrchres(&dcnet, wfile, wnick); |
1424 | if(sr->peernick != NULL) |
1425 | free(sr->peernick); |
1426 | sr->peernick = swcsdup(wnick); |
1427 | sr->size = size; |
1428 | sr->slots = slots; |
1429 | free(wfile); |
1430 | free(wnick); |
d86b7a9f |
1431 | if(!strncmp(hubname, "TTH:", 4)) |
1432 | { |
1433 | if((buf = base32decode(hubname + 4, &buflen)) != NULL) |
1434 | { |
1435 | if(buflen == 24) |
1436 | sr->hash = newhash(L"TTH", 24, buf); |
1437 | free(buf); |
1438 | } |
1439 | } |
d3372da9 |
1440 | getfnetnode(sr->fn = fn); |
1441 | submitsrchres(sr); |
1442 | freesrchres(sr); |
1443 | hubhandleaction(sk, fn, cmd, args); |
1444 | } |
1445 | |
1446 | static void cmd_usercommand(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1447 | { |
1448 | /* Do nothing for now. */ |
1449 | } |
1450 | |
48509089 |
1451 | static void cmd_getpass(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1452 | { |
1453 | struct dchub *hub; |
1c4b02cd |
1454 | wchar_t *pw; |
48509089 |
1455 | char *mbspw; |
1456 | |
1457 | hub = fn->data; |
1c4b02cd |
1458 | pw = wpfind(fn->args, L"password"); |
1d85f24b |
1459 | if((pw == NULL) || ((mbspw = icwcstombs(pw, hub->charset)) == NULL)) |
48509089 |
1460 | { |
1461 | killfnetnode(fn); |
1462 | return; |
1463 | } |
1464 | qstrf(sk, "$MyPass %s|", mbspw); |
1465 | free(mbspw); |
fcd0627b |
1466 | fn->regstatus = FNNS_REG; |
48509089 |
1467 | hubhandleaction(sk, fn, cmd, args); |
1468 | } |
1469 | |
c9b3ad74 |
1470 | static void cmd_logedin(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1471 | { |
1472 | struct dchub *hub; |
1473 | |
1474 | hub = fn->data; |
fcd0627b |
1475 | fn->regstatus = FNNS_OP; |
c9b3ad74 |
1476 | hubhandleaction(sk, fn, cmd, args); |
1477 | } |
1478 | |
d3372da9 |
1479 | static void cmd_mynick(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1480 | { |
9a2d6cb8 |
1481 | struct dcexppeer *expect; |
1c4b02cd |
1482 | struct dchub *hub; |
9a2d6cb8 |
1483 | |
d3372da9 |
1484 | if(peer->nativename != NULL) |
1485 | free(peer->nativename); |
1486 | peer->nativename = sstrdup(args); |
1487 | if(peer->wcsname != NULL) |
1488 | free(peer->wcsname); |
1d85f24b |
1489 | if((peer->wcsname = icmbstowcs(peer->nativename, peer->charset)) == NULL) |
d3372da9 |
1490 | { |
1491 | freedcpeer(peer); |
1492 | return; |
1493 | } |
9a2d6cb8 |
1494 | if(peer->accepted) |
1495 | { |
1496 | for(expect = expected; expect != NULL; expect = expect->next) |
1497 | { |
1498 | if(!strcmp(expect->nick, args)) |
1499 | break; |
1500 | } |
1501 | if(expect == NULL) |
1502 | { |
1503 | peer->fn = NULL; |
1504 | } else { |
1c4b02cd |
1505 | hub = expect->fn->data; |
9a2d6cb8 |
1506 | peer->fn = expect->fn; |
1507 | getfnetnode(peer->fn); |
1c4b02cd |
1508 | peer->dcppemu = hub->dcppemu; |
9a2d6cb8 |
1509 | freeexppeer(expect); |
1510 | } |
1511 | } |
d3372da9 |
1512 | } |
1513 | |
1514 | static void cmd_direction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1515 | { |
1516 | char *p; |
9a2d6cb8 |
1517 | int mydir; |
1518 | struct transfer *transfer; |
d3372da9 |
1519 | |
1520 | if((p = strchr(args, ' ')) == NULL) |
1521 | return; |
1522 | *p = 0; |
1523 | if(!strcmp(args, "Upload")) |
9a2d6cb8 |
1524 | mydir = TRNSD_DOWN; |
d3372da9 |
1525 | if(!strcmp(args, "Download")) |
9a2d6cb8 |
1526 | mydir = TRNSD_UP; |
1527 | if(peer->accepted) |
1528 | { |
1529 | if((peer->transfer == NULL) || (mydir != peer->direction)) |
1530 | { |
1531 | freedcpeer(peer); |
1532 | return; |
1533 | } |
1b14d3d8 |
1534 | if(peer->direction == TRNSD_DOWN) |
1535 | requestfile(peer); |
9a2d6cb8 |
1536 | } else { |
1537 | if(peer->wcsname == NULL) |
1538 | { |
1539 | freedcpeer(peer); |
1540 | return; |
1541 | } |
1542 | peer->direction = mydir; |
1543 | if(peer->direction == TRNSD_UP) |
1544 | { |
1545 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1546 | } else { |
1547 | if((transfer = finddownload(peer->wcsname)) == NULL) |
1548 | { |
1549 | freedcpeer(peer); |
1550 | return; |
1551 | } |
1552 | transferattach(transfer, &dctransfer, peer); |
1553 | transfersetstate(transfer, TRNS_HS); |
1554 | } |
1555 | transfersetnick(transfer, peer->wcsname); |
1556 | peer->transfer = transfer; |
1557 | if(peer->extended) |
1558 | sendsupports(peer); |
1559 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1560 | if(peer->key != NULL) |
1561 | qstrf(sk, "$Key %s|", peer->key); |
1562 | if(peer->direction == TRNSD_DOWN) |
1563 | requestfile(peer); |
1564 | } |
d3372da9 |
1565 | } |
1566 | |
1567 | static void cmd_peerlock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1568 | { |
9a2d6cb8 |
1569 | char *p, *key; |
1570 | struct transfer *transfer; |
d3372da9 |
1571 | |
1572 | if((p = strchr(args, ' ')) == NULL) |
1573 | return; |
1574 | *p = 0; |
1575 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) |
1576 | peer->extended = 1; |
9a2d6cb8 |
1577 | key = dcmakekey(args); |
1578 | if(peer->accepted) |
1579 | { |
1580 | if(peer->wcsname == NULL) |
1581 | { |
1582 | freedcpeer(peer); |
1583 | return; |
1584 | } |
1585 | sendmynick(peer); |
1586 | sendpeerlock(peer); |
1587 | if(peer->extended) |
1588 | sendsupports(peer); |
1589 | if((transfer = finddownload(peer->wcsname)) == NULL) |
1590 | { |
1591 | peer->direction = TRNSD_UP; |
1592 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1593 | } else { |
1594 | peer->direction = TRNSD_DOWN; |
1595 | transferattach(transfer, &dctransfer, peer); |
1596 | transfersetstate(transfer, TRNS_HS); |
1597 | } |
1598 | transfersetnick(transfer, peer->wcsname); |
1599 | peer->transfer = transfer; |
1600 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1601 | qstrf(sk, "$Key %s|", key); |
1602 | } else { |
1603 | if(peer->key != NULL) |
1604 | free(peer->key); |
1605 | peer->key = key; |
1606 | } |
d3372da9 |
1607 | } |
1608 | |
1609 | static void cmd_key(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1610 | { |
9a2d6cb8 |
1611 | /* NOP */ |
1612 | } |
1613 | |
1614 | static void startdl(struct dcpeer *peer) |
1615 | { |
1e9d82b1 |
1616 | if(peer->timeout != NULL) |
1617 | canceltimer(peer->timeout); |
9a2d6cb8 |
1618 | peer->state = PEER_TRNS; |
1619 | transferstartdl(peer->transfer, peer->sk); |
1620 | peer->sk->readcb = (void (*)(struct socket *, void *))transread; |
1621 | peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr; |
1622 | } |
1623 | |
1624 | static void startul(struct dcpeer *peer) |
1625 | { |
1e9d82b1 |
1626 | if(peer->timeout != NULL) |
1627 | canceltimer(peer->timeout); |
9a2d6cb8 |
1628 | peer->state = PEER_TRNS; |
1629 | transferstartul(peer->transfer, peer->sk); |
1630 | peer->sk->writecb = (void (*)(struct socket *, void *))transwrite; |
d3372da9 |
1631 | } |
1632 | |
1633 | static void cmd_filelength(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1634 | { |
1635 | int size; |
1fc81821 |
1636 | struct transfer *transfer; |
d3372da9 |
1637 | |
1638 | if(peer->transfer == NULL) |
1639 | { |
1640 | freedcpeer(peer); |
1641 | return; |
1642 | } |
1643 | size = atoi(args); |
9a2d6cb8 |
1644 | if(peer->transfer->size != size) |
d3372da9 |
1645 | { |
d3372da9 |
1646 | transfersetsize(peer->transfer, size); |
1fc81821 |
1647 | transfer = peer->transfer; |
d3372da9 |
1648 | freedcpeer(peer); |
1fc81821 |
1649 | trytransferbypeer(transfer->fnet, transfer->peerid); |
d3372da9 |
1650 | return; |
1651 | } |
9a2d6cb8 |
1652 | startdl(peer); |
1653 | qstr(peer->sk, "$Send|"); |
d3372da9 |
1654 | } |
1655 | |
1656 | static void cmd_error(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1657 | { |
df873cd0 |
1658 | if(peer->fetchingtthl) |
1659 | { |
1660 | peer->fetchingtthl = 0; |
1661 | peer->notthl = 1; |
1662 | requestfile(peer); |
1663 | return; |
1664 | } |
d3372da9 |
1665 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1666 | { |
1667 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
1668 | resettransfer(peer->transfer); |
1669 | return; |
1670 | } |
1671 | freedcpeer(peer); |
1672 | } |
1673 | |
1674 | static void cmd_maxedout(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1675 | { |
1676 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1677 | { |
1678 | transferseterror(peer->transfer, TRNSE_NOSLOTS); |
1679 | resettransfer(peer->transfer); |
1680 | return; |
1681 | } |
1682 | freedcpeer(peer); |
1683 | } |
1684 | |
1685 | static struct |
1686 | { |
1687 | char *name; |
1688 | char **file; |
1689 | void (*func)(void); |
1690 | } lists[] = |
1691 | { |
1692 | {"MyList.DcLst", &hmlistname, updatehmlist}, |
1693 | {"files.xml", &xmllistname, updatexmllist}, |
1694 | {"files.xml.bz2", &xmlbz2listname, updatexmlbz2list}, |
1695 | {NULL, NULL} |
1696 | }; |
1697 | |
1698 | static int openfilelist(char *name) |
1699 | { |
1700 | int i, fd; |
1701 | int errnobak; |
1702 | |
1703 | for(i = 0; lists[i].name != NULL; i++) |
1704 | { |
1705 | if(!strcmp(name, lists[i].name)) |
1706 | break; |
1707 | } |
1708 | errno = 0; |
1709 | if(lists[i].name == NULL) |
1710 | return(-1); |
1711 | fd = -1; |
1712 | if((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0)) |
1713 | lists[i].func(); |
1714 | if((fd < 0) && ((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0))) |
1715 | { |
1716 | errnobak = errno; |
1717 | flog(LOG_ERR, "could not open filelist tempfile: %s", strerror(errno)); |
1718 | errno = errnobak; |
1719 | return(-1); |
1720 | } |
1721 | return(fd); |
1722 | } |
1723 | |
1724 | static struct sharecache *findbytth(char *tth32) |
1725 | { |
1726 | char *buf; |
1727 | size_t buflen; |
1728 | struct sharecache *node; |
1729 | |
1730 | if((buf = base32decode(tth32, &buflen)) == NULL) |
1731 | return(NULL); |
1732 | if(buflen != 24) |
1733 | { |
1734 | free(buf); |
1735 | return(NULL); |
1736 | } |
1737 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
1738 | { |
1739 | if(node->f.b.hastth && !memcmp(node->hashtth, buf, 24)) |
1740 | break; |
1741 | } |
1742 | free(buf); |
1743 | return(node); |
1744 | } |
1745 | |
1746 | static struct sharecache *resdcpath(char *path, char *charset, char sep) |
1747 | { |
1748 | struct sharecache *node; |
1749 | char *p, *p2; |
1750 | |
1751 | node = shareroot; |
1752 | p = path; |
1753 | while(p != NULL) |
1754 | { |
1755 | if((p2 = strchr(p, sep)) != NULL) |
1756 | *(p2++) = 0; |
1757 | if((node = findcache(node, icsmbstowcs(p, charset, L""))) == NULL) |
1758 | return(NULL); |
1759 | p = p2; |
1760 | } |
1761 | return(node); |
1762 | } |
1763 | |
1764 | static void cmd_get(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1765 | { |
1766 | int offset; |
1767 | char *p, *buf; |
1768 | wchar_t *buf2; |
1769 | struct sharecache *node; |
1770 | struct socket *lesk; |
1771 | int fd; |
1772 | struct stat sb; |
1773 | |
1774 | if(peer->transfer == NULL) |
1775 | { |
1776 | freedcpeer(peer); |
1777 | return; |
1778 | } |
1779 | if((p = strchr(args, '$')) == NULL) |
1780 | { |
1781 | freedcpeer(peer); |
1782 | return; |
1783 | } |
1784 | *(p++) = 0; |
1785 | if((offset = (atoi(p) - 1)) < 0) |
1786 | { |
1787 | freedcpeer(peer); |
1788 | return; |
1789 | } |
1790 | if(((fd = openfilelist(args)) < 0) && (errno != 0)) |
1791 | { |
1792 | qstr(sk, "$Error Could not send file list|"); |
1793 | freedcpeer(peer); |
1794 | return; |
1795 | } else if(fd >= 0) { |
1796 | if((buf2 = icsmbstowcs(args, DCCHARSET, NULL)) != NULL) |
1797 | transfersetpath(peer->transfer, buf2); |
f00d7432 |
1798 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
1799 | } |
1800 | if(fd < 0) |
1801 | { |
1d85f24b |
1802 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1803 | if((node = resdcpath(args, DCCHARSET, '\\')) == NULL) |
1804 | { |
1805 | qstrf(sk, "$Error File not in share|"); |
1806 | freedcpeer(peer); |
1807 | return; |
1808 | } |
1809 | if((fd = opensharecache(node)) < 0) |
1810 | { |
1811 | qstrf(sk, "$Error %s|", strerror(errno)); |
1812 | freedcpeer(peer); |
1813 | return; |
1814 | } |
1815 | buf = getfspath(node); |
1816 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) |
1817 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
1818 | else |
1819 | transfersetpath(peer->transfer, buf2); |
1820 | free(buf); |
1821 | } |
1822 | if(fstat(fd, &sb) < 0) |
1823 | { |
1824 | close(fd); |
1825 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
1826 | qstrf(sk, "$Error|"); |
1827 | freedcpeer(peer); |
1828 | return; |
1829 | } |
f00d7432 |
1830 | if(sb.st_size < 65536) |
1831 | peer->transfer->flags.b.minislot = 1; |
1832 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
565006d1 |
1833 | close(fd); |
f00d7432 |
1834 | qstr(sk, "$MaxedOut|"); |
1835 | freedcpeer(peer); |
1836 | return; |
1837 | } |
d3372da9 |
1838 | if((offset != 0) && (lseek(fd, offset, SEEK_SET) < 0)) |
1839 | { |
1840 | close(fd); |
1841 | qstrf(sk, "$Error Offset out of range|"); |
1842 | freedcpeer(peer); |
1843 | return; |
1844 | } |
1845 | lesk = wrapsock(fd); |
1846 | transferprepul(peer->transfer, sb.st_size, offset, -1, lesk); |
1847 | putsock(lesk); |
1848 | qstrf(sk, "$FileLength %i|", peer->transfer->size); |
d3372da9 |
1849 | } |
1850 | |
1851 | static void cmd_send(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1852 | { |
1853 | if(peer->transfer == NULL) |
1854 | { |
1855 | freedcpeer(peer); |
1856 | return; |
1857 | } |
1858 | if(peer->transfer->localend == NULL) |
1859 | { |
1860 | freedcpeer(peer); |
1861 | return; |
1862 | } |
1863 | peer->ptclose = 1; |
9a2d6cb8 |
1864 | startul(peer); |
d3372da9 |
1865 | } |
1866 | |
1867 | static void cmd_supports(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1868 | { |
1869 | int i; |
1870 | char *p, *p2; |
1871 | char **arr; |
1872 | size_t arrsize, arrdata; |
1873 | |
1874 | if(peer->supports != NULL) |
1875 | { |
1876 | for(i = 0; peer->supports[i] != NULL; i++) |
1877 | free(peer->supports[i]); |
1878 | free(peer->supports); |
1879 | } |
1880 | arr = NULL; |
1881 | arrsize = arrdata = 0; |
1882 | p = args; |
1883 | do |
1884 | { |
1885 | if((p2 = strchr(p, ' ')) != NULL) |
1886 | *(p2++) = 0; |
1887 | if(*p == 0) |
1888 | continue; |
1889 | addtobuf(arr, sstrdup(p)); |
1890 | } while((p = p2) != NULL); |
1891 | addtobuf(arr, NULL); |
1892 | peer->supports = arr; |
d3372da9 |
1893 | } |
1894 | |
1895 | static void cmd_getblock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1896 | { |
1897 | int fd; |
1898 | char *p, *p2; |
1899 | int start, numbytes; |
1900 | char *charset, *buf; |
1901 | wchar_t *buf2; |
1902 | struct sharecache *node; |
1903 | struct stat sb; |
1904 | struct socket *lesk; |
1905 | |
1906 | if(peer->transfer == NULL) |
1907 | { |
1908 | freedcpeer(peer); |
1909 | return; |
1910 | } |
1911 | p = args; |
1912 | if((p2 = strchr(p, ' ')) == NULL) |
1913 | { |
1914 | freedcpeer(peer); |
1915 | return; |
1916 | } |
1917 | *(p2++) = 0; |
1918 | start = atoi(p); |
1919 | p = p2; |
1920 | if((p2 = strchr(p, ' ')) == NULL) |
1921 | { |
1922 | freedcpeer(peer); |
1923 | return; |
1924 | } |
1925 | *(p2++) = 0; |
1926 | numbytes = atoi(p); |
1927 | p = p2; |
1928 | if(!strcmp(cmd, "$UGetBlock") || !strcmp(cmd, "$UGetZBlock")) |
1929 | charset = "UTF-8"; |
1930 | else |
1d85f24b |
1931 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1932 | charset = DCCHARSET; |
1933 | if(!strcmp(cmd, "$GetZBlock") || !strcmp(cmd, "$UGetZBlock")) |
1934 | initcompress(peer, CPRS_ZLIB); |
1935 | if(((fd = openfilelist(p)) < 0) && (errno != 0)) |
1936 | { |
1937 | qstr(sk, "$Error Could not send file list|"); |
1938 | return; |
1939 | } else if(fd >= 0) { |
1940 | if((buf2 = icsmbstowcs(args, charset, NULL)) != NULL) |
1941 | transfersetpath(peer->transfer, buf2); |
f00d7432 |
1942 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
1943 | } |
1944 | if(fd < 0) |
1945 | { |
d3372da9 |
1946 | if((node = resdcpath(p, charset, '\\')) == NULL) |
1947 | { |
1948 | qstr(sk, "$Error File not in cache|"); |
1949 | return; |
1950 | } |
1951 | if((fd = opensharecache(node)) < 0) |
1952 | { |
1953 | qstrf(sk, "$Error %s|", strerror(errno)); |
1954 | return; |
1955 | } |
1956 | buf = getfspath(node); |
1957 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) |
1958 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
1959 | else |
1960 | transfersetpath(peer->transfer, buf2); |
1961 | free(buf); |
1962 | } |
1963 | if(fstat(fd, &sb) < 0) |
1964 | { |
1965 | close(fd); |
1966 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
1967 | qstr(sk, "$Error|"); |
1968 | return; |
1969 | } |
f00d7432 |
1970 | if(sb.st_size < 65536) |
1971 | peer->transfer->flags.b.minislot = 1; |
1972 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
565006d1 |
1973 | close(fd); |
f00d7432 |
1974 | qstr(sk, "$MaxedOut|"); |
1975 | return; |
1976 | } |
d3372da9 |
1977 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
1978 | { |
1979 | close(fd); |
1980 | qstr(sk, "$Error Offset out of range|"); |
1981 | return; |
1982 | } |
1983 | if((numbytes < 0) || (start + numbytes > sb.st_size)) |
1984 | numbytes = sb.st_size - start; |
1985 | lesk = wrapsock(fd); |
1986 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); |
1987 | putsock(lesk); |
1988 | qstrf(sk, "$Sending %i|", numbytes); |
9a2d6cb8 |
1989 | startul(peer); |
d3372da9 |
1990 | } |
1991 | |
1992 | static void cmd_adcget(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1993 | { |
1994 | int i; |
1995 | char **argv, *buf; |
1996 | int start, numbytes; |
1997 | struct sharecache *node; |
1998 | struct stat sb; |
1999 | struct socket *lesk; |
2000 | wchar_t *wbuf; |
2001 | int fd; |
2002 | |
2003 | if(peer->transfer == NULL) |
2004 | { |
2005 | freedcpeer(peer); |
2006 | return; |
2007 | } |
2008 | if((argv = parseadc(args)) == NULL) |
2009 | { |
2010 | freedcpeer(peer); |
2011 | return; |
2012 | } |
2013 | if(parrlen(argv) < 4) |
2014 | { |
2015 | freedcpeer(peer); |
2016 | goto out; |
2017 | } |
2018 | start = atoi(argv[2]); |
2019 | numbytes = atoi(argv[3]); |
2020 | node = NULL; |
2021 | fd = -1; |
2022 | if(((fd = openfilelist(argv[1])) < 0) && (errno != 0)) |
2023 | { |
2024 | qstr(sk, "$Error Could not send file list|"); |
2025 | goto out; |
2026 | } else if(fd >= 0) { |
2027 | if((wbuf = icsmbstowcs(argv[1], "UTF-8", NULL)) != NULL) |
2028 | transfersetpath(peer->transfer, wbuf); |
f00d7432 |
2029 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
2030 | } |
2031 | if(fd < 0) |
2032 | { |
d3372da9 |
2033 | if(!strncmp(argv[1], "TTH/", 4)) |
2034 | { |
2035 | if((node = findbytth(argv[1] + 4)) == NULL) |
2036 | { |
2037 | qstr(sk, "$Error File not in cache|"); |
2038 | goto out; |
2039 | } |
2040 | } else { |
9a2d6cb8 |
2041 | if((node = resdcpath((argv[1][0] == '/')?(argv[1] + 1):(argv[1]), "UTF-8", '/')) == NULL) |
d3372da9 |
2042 | { |
2043 | qstr(sk, "$Error File not in cache|"); |
2044 | goto out; |
2045 | } |
2046 | } |
2047 | if((fd = opensharecache(node)) < 0) |
2048 | { |
2049 | qstrf(sk, "$Error %s|", strerror(errno)); |
2050 | goto out; |
2051 | } |
2052 | buf = getfspath(node); |
2053 | if((wbuf = icsmbstowcs(buf, NULL, NULL)) == NULL) |
2054 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
2055 | else |
2056 | transfersetpath(peer->transfer, wbuf); |
2057 | free(buf); |
2058 | } |
2059 | if(!strcmp(argv[0], "file")) |
2060 | { |
2061 | for(i = 4; argv[i] != NULL; i++) |
2062 | { |
2063 | if(!strcmp(argv[i], "ZL1")) |
2064 | initcompress(peer, CPRS_ZLIB); |
2065 | } |
2066 | if(fstat(fd, &sb) < 0) |
2067 | { |
2068 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
2069 | qstr(sk, "$Error|"); |
2070 | goto out; |
2071 | } |
f00d7432 |
2072 | if(sb.st_size < 65536) |
2073 | peer->transfer->flags.b.minislot = 1; |
2074 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
2075 | qstr(sk, "$MaxedOut|"); |
2076 | goto out; |
2077 | } |
d3372da9 |
2078 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2079 | { |
2080 | qstr(sk, "$Error Offset out of range|"); |
2081 | goto out; |
2082 | } |
2083 | if((numbytes < 0) || (start + numbytes > sb.st_size)) |
2084 | numbytes = sb.st_size - start; |
2085 | lesk = wrapsock(fd); |
2086 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); |
2087 | putsock(lesk); |
2088 | fd = -1; |
2089 | qstr(sk, "$ADCSND"); |
2090 | sendadc(sk, "file"); |
2091 | sendadc(sk, argv[1]); |
2092 | sendadcf(sk, "%i", start); |
2093 | sendadcf(sk, "%i", numbytes); |
2094 | if(peer->compress == CPRS_ZLIB) |
2095 | sendadc(sk, "ZL1"); |
2096 | qstr(sk, "|"); |
9a2d6cb8 |
2097 | startul(peer); |
d3372da9 |
2098 | } else if(!strcmp(argv[0], "tthl")) { |
2099 | /* |
2100 | * XXX: Implement full TTHL support. |
2101 | * |
2102 | * In the meantime, this is better than nothing, since it at |
2103 | * least allows fetching of the TTH root if it isn't already |
2104 | * known. |
2105 | */ |
2106 | if(node == NULL) |
2107 | { |
2108 | qstr(sk, "$Error no TTHL data for virtual files|"); |
2109 | goto out; |
2110 | } |
2111 | qstr(sk, "$ADCSND"); |
2112 | sendadc(sk, "tthl"); |
2113 | sendadc(sk, argv[1]); |
2114 | sendadc(sk, "0"); |
2115 | sendadc(sk, "24"); |
2116 | qstr(sk, "|"); |
2117 | sockqueue(sk, node->hashtth, 24); |
2118 | } else { |
2119 | qstr(sk, "$Error Namespace not implemented|"); |
2120 | goto out; |
2121 | } |
d3372da9 |
2122 | |
2123 | out: |
2124 | if(fd >= 0) |
2125 | close(fd); |
2126 | freeparr(argv); |
2127 | } |
2128 | |
9a2d6cb8 |
2129 | static void handletthl(struct dcpeer *peer) |
2130 | { |
2131 | char buf[24]; |
2132 | |
2133 | while(peer->inbufdata >= 24) |
2134 | { |
2135 | pushtigertree(&peer->tth, peer->inbuf); |
2136 | memmove(peer->inbuf, peer->inbuf + 24, peer->inbufdata -= 24); |
e52006fe |
2137 | peer->curread += 24; |
9a2d6cb8 |
2138 | } |
e52006fe |
2139 | if(peer->curread >= peer->totalsize) |
9a2d6cb8 |
2140 | { |
1e9d82b1 |
2141 | if(peer->timeout == NULL) |
2142 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 |
2143 | peer->state = PEER_CMD; |
2144 | synctigertree(&peer->tth); |
2145 | restigertree(&peer->tth, buf); |
2146 | transfersethash(peer->transfer, newhash(L"TTH", 24, buf)); |
2147 | requestfile(peer); |
2148 | } |
2149 | } |
2150 | |
2151 | static void cmd_adcsnd(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2152 | { |
2153 | char **argv; |
2154 | int start, numbytes; |
2155 | |
2156 | if(peer->transfer == NULL) |
2157 | { |
2158 | freedcpeer(peer); |
2159 | return; |
2160 | } |
2161 | if((argv = parseadc(args)) == NULL) |
2162 | { |
2163 | freedcpeer(peer); |
2164 | return; |
2165 | } |
2166 | if(parrlen(argv) < 4) |
2167 | { |
2168 | freedcpeer(peer); |
2169 | goto out; |
2170 | } |
2171 | start = atoi(argv[2]); |
2172 | numbytes = atoi(argv[3]); |
2173 | if(!strcmp(argv[0], "tthl")) |
2174 | { |
2175 | if((start != 0) || (numbytes % 24 != 0)) |
2176 | { |
2177 | /* Weird. Bail out. */ |
2178 | freedcpeer(peer); |
2179 | goto out; |
2180 | } |
1e9d82b1 |
2181 | if(peer->timeout != NULL) |
2182 | canceltimer(peer->timeout); |
9a2d6cb8 |
2183 | peer->state = PEER_TTHL; |
2184 | peer->totalsize = numbytes; |
2185 | peer->curread = 0; |
df873cd0 |
2186 | peer->fetchingtthl = 0; |
9a2d6cb8 |
2187 | inittigertree(&peer->tth); |
2188 | handletthl(peer); |
2189 | } else if(!strcmp(argv[0], "file")) { |
2190 | if(start != peer->transfer->curpos) |
2191 | { |
2192 | freedcpeer(peer); |
2193 | goto out; |
2194 | } |
2195 | if(start + numbytes != peer->transfer->size) |
2196 | { |
2197 | transfersetsize(peer->transfer, start + numbytes); |
2198 | freedcpeer(peer); |
2199 | goto out; |
2200 | } |
2201 | startdl(peer); |
e52006fe |
2202 | if(peer->inbufdata > 0) |
2203 | { |
2204 | sockpushdata(sk, peer->inbuf, peer->inbufdata); |
2205 | peer->inbufdata = 0; |
2206 | transread(sk, peer); |
2207 | } |
9a2d6cb8 |
2208 | } else { |
2209 | /* We certainly didn't request this...*/ |
2210 | freedcpeer(peer); |
2211 | goto out; |
2212 | } |
2213 | |
2214 | out: |
2215 | freeparr(argv); |
2216 | } |
2217 | |
2218 | static void cmd_sending(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2219 | { |
2220 | int numbytes; |
2221 | |
2222 | if(peer->transfer == NULL) |
2223 | { |
2224 | freedcpeer(peer); |
2225 | return; |
2226 | } |
2227 | numbytes = atoi(args); |
2228 | if(peer->transfer->size - peer->transfer->curpos != numbytes) |
2229 | { |
2230 | transfersetsize(peer->transfer, peer->transfer->curpos + numbytes); |
2231 | freedcpeer(peer); |
2232 | return; |
2233 | } |
2234 | startdl(peer); |
0d8c93cb |
2235 | if(peer->inbufdata > 0) |
2236 | { |
2237 | sockpushdata(sk, peer->inbuf, peer->inbufdata); |
2238 | peer->inbufdata = 0; |
2239 | transread(sk, peer); |
2240 | } |
9a2d6cb8 |
2241 | } |
2242 | |
d3372da9 |
2243 | /* |
2244 | Hub skeleton: |
2245 | static void cmd_(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
2246 | { |
2247 | struct dchub *hub; |
2248 | |
2249 | hub = fn->data; |
2250 | hubhandleaction(sk, fn, cmd, args); |
2251 | } |
2252 | |
2253 | Peer skeleton: |
2254 | static void cmd_(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2255 | { |
d3372da9 |
2256 | } |
2257 | |
2258 | */ |
2259 | |
2260 | static int hubreqconn(struct fnetpeer *peer) |
2261 | { |
2262 | struct dchub *hub; |
2263 | char *mbsnick; |
2264 | |
2265 | if((peer->fn->state != FNN_EST) || (peer->fn->fnet != &dcnet)) |
2266 | { |
2267 | errno = EINVAL; |
2268 | return(1); |
2269 | } |
2270 | if((hub = peer->fn->data) == NULL) |
2271 | { |
2272 | errno = EFAULT; |
2273 | return(1); |
2274 | } |
1d85f24b |
2275 | if((mbsnick = icwcstombs(peer->id, hub->charset)) == NULL) |
d3372da9 |
2276 | return(1); /* Shouldn't happen, of course, but who knows... */ |
2277 | if(tcpsock != NULL) |
2278 | { |
2279 | sendctm(peer->fn->sk, mbsnick); |
2280 | expectpeer(mbsnick, peer->fn); |
2281 | } else { |
2282 | qstrf(peer->fn->sk, "$RevConnectToMe %s %s|", hub->nativenick, mbsnick); |
2283 | } |
2284 | free(mbsnick); |
2285 | return(0); |
2286 | } |
2287 | |
2288 | static int hubsendchat(struct fnetnode *fn, int public, wchar_t *to, wchar_t *string) |
2289 | { |
2290 | struct dchub *hub; |
2291 | char *mbsstring, *mbsto; |
2292 | |
2293 | hub = fn->data; |
1d85f24b |
2294 | if((mbsto = icwcstombs(to, hub->charset)) == NULL) |
d3372da9 |
2295 | { |
2296 | errno = EILSEQ; |
2297 | return(1); |
2298 | } |
1d85f24b |
2299 | if((mbsstring = icwcstombs(string, hub->charset)) == NULL) |
d3372da9 |
2300 | { |
2301 | errno = EILSEQ; |
2302 | return(1); |
2303 | } |
2304 | if((strchr(mbsto, '|') != NULL) || (strchr(mbsto, ' ') != NULL)) |
2305 | { |
2306 | free(mbsto); |
2307 | free(mbsstring); |
2308 | errno = ESRCH; |
2309 | return(1); |
2310 | } |
2311 | if(strchr(mbsstring, '|') != NULL) |
2312 | { |
2313 | free(mbsto); |
2314 | free(mbsstring); |
2315 | errno = EILSEQ; |
2316 | return(1); |
2317 | } |
2318 | if(public) |
2319 | { |
2320 | if(*to == L'\0') |
2321 | { |
2322 | qstrf(fn->sk, "<%s> %s|", hub->nativenick, mbsstring); |
2323 | } else { |
2324 | qstrf(fn->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
2325 | } |
2326 | } else { |
2327 | qstrf(fn->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
2328 | } |
2329 | free(mbsto); |
2330 | free(mbsstring); |
2331 | return(0); |
2332 | } |
2333 | |
2334 | static void findsizelimit(struct sexpr *sexpr, int *min, int *max) |
2335 | { |
2336 | int minl, maxl, minr, maxr, retmin, retmax; |
2337 | |
2338 | switch(sexpr->op) |
2339 | { |
2340 | case SOP_AND: |
2341 | findsizelimit(sexpr->l, &minl, &maxl); |
2342 | findsizelimit(sexpr->r, &minr, &maxr); |
2343 | retmin = (minl > minr)?minl:minr; |
2344 | if((maxl != -1) && (maxr != -1)) |
2345 | retmax = (maxl < maxr)?maxl:maxr; |
2346 | else if(maxl != -1) |
2347 | retmax = maxl; |
2348 | else if(maxr != -1) |
2349 | retmax = maxr; |
2350 | else |
2351 | retmax = -1; |
2352 | break; |
2353 | case SOP_OR: |
2354 | findsizelimit(sexpr->l, &minl, &maxl); |
2355 | findsizelimit(sexpr->r, &minr, &maxr); |
2356 | retmin = (minl < minr)?minl:minr; |
2357 | if((maxl == -1) || (maxr == -1)) |
2358 | retmax = -1; |
2359 | else |
2360 | retmax = (maxl > maxr)?maxl:maxr; |
2361 | break; |
2362 | case SOP_NOT: |
2363 | findsizelimit(sexpr->l, &minl, &maxl); |
2364 | if((minl == 0) && (maxl == -1)) /* Interval is unspecified */ |
2365 | { |
2366 | retmin = 0; |
2367 | retmax = -1; |
2368 | } else if((minl == 0) && (maxl != -1)) { |
2369 | retmin = maxl + 1; |
2370 | retmax = -1; |
2371 | } else if((minl != 0) && (maxl == -1)) { |
2372 | retmin = 0; |
2373 | retmax = minl - 1; |
2374 | } else { /* This would yield two seperate intervals, which DC cannot handle */ |
2375 | retmin = 0; |
2376 | retmax = -1; |
2377 | } |
2378 | case SOP_SIZELT: |
2379 | retmin = 0; |
2380 | retmax = sexpr->d.n - 1; |
2381 | break; |
2382 | case SOP_SIZEEQ: |
2383 | retmin = sexpr->d.n; |
2384 | retmax = sexpr->d.n; |
2385 | break; |
2386 | case SOP_SIZEGT: |
2387 | retmin = sexpr->d.n + 1; |
2388 | retmax = -1; |
2389 | break; |
2390 | default: |
2391 | retmin = 0; |
2392 | retmax = -1; |
2393 | break; |
2394 | } |
2395 | if(min != NULL) |
2396 | *min = retmin; |
2397 | if(max != NULL) |
2398 | *max = retmax; |
2399 | } |
2400 | |
9d8cf743 |
2401 | static struct hash *findsehash(struct sexpr *sexpr) |
2402 | { |
2403 | struct hash *h1, *h2; |
2404 | |
2405 | switch(sexpr->op) |
2406 | { |
2407 | case SOP_AND: |
2408 | if((h1 = findsehash(sexpr->l)) != NULL) |
2409 | return(h1); |
2410 | if((h1 = findsehash(sexpr->r)) != NULL) |
2411 | return(h1); |
2412 | break; |
2413 | case SOP_OR: |
2414 | h1 = findsehash(sexpr->l); |
2415 | h2 = findsehash(sexpr->r); |
2416 | if(hashcmp(h1, h2)) |
2417 | return(h1); |
2418 | break; |
2419 | case SOP_HASHIS: |
2420 | if(!wcscmp(sexpr->d.hash->algo, L"TTH")) |
2421 | return(sexpr->d.hash); |
2422 | default: |
2423 | break; |
2424 | } |
2425 | return(NULL); |
2426 | } |
2427 | |
d3372da9 |
2428 | static int hubsearch(struct fnetnode *fn, struct search *srch, struct srchfnnlist *ln) |
2429 | { |
2430 | struct dchub *hub; |
2431 | struct wcslist *list, *cur; |
2432 | char *sstr, *buf, *p; |
2433 | size_t sstrsize, sstrdata; |
2434 | struct sockaddr *name; |
2435 | socklen_t namelen; |
2436 | int minsize, maxsize; |
9d8cf743 |
2437 | struct hash *hash; |
d3372da9 |
2438 | |
2439 | hub = fn->data; |
2440 | if((fn->state != FNN_EST) || (fn->sk == NULL) || (fn->sk->state != SOCK_EST)) |
2441 | return(1); |
2442 | list = findsexprstrs(srch->sexpr); |
2443 | findsizelimit(srch->sexpr, &minsize, &maxsize); |
9d8cf743 |
2444 | hash = findsehash(srch->sexpr); |
d3372da9 |
2445 | if((minsize != 0) && (maxsize != -1)) |
2446 | { |
2447 | /* Choose either minsize or maxsize by trying to determine |
2448 | * which choice will be most restrictive. The result can be |
2449 | * approximative at best anyway, so don't try too hard... */ |
2450 | if((50000000 - maxsize) > (minsize - 50000000)) |
2451 | minsize = 0; |
2452 | else |
2453 | maxsize = -1; |
2454 | } |
d3372da9 |
2455 | sstr = NULL; |
2456 | sstrsize = sstrdata = 0; |
9d8cf743 |
2457 | if((hash != NULL) && (hash->len == 24)) |
d3372da9 |
2458 | { |
9d8cf743 |
2459 | /* Prioritize hash searches above all else */ |
2460 | bufcat(sstr, "F?T?0?9?TTH:", 12); |
2461 | buf = base32encode(hash->buf, hash->len); |
2462 | |
2463 | bufcat(sstr, buf, 39); |
2464 | free(buf); |
2465 | } else { |
2466 | if(minsize != 0) |
d3372da9 |
2467 | { |
9d8cf743 |
2468 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 |
2469 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?F?%i?1?", minsize); |
9d8cf743 |
2470 | } else if(maxsize != -1) { |
2471 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 |
2472 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?T?%i?1?", maxsize); |
9d8cf743 |
2473 | } else { |
2474 | bufcat(sstr, "F?F?0?1?", 8); |
2475 | } |
2476 | if(list != NULL) |
2477 | { |
2478 | for(cur = list; cur != NULL; cur = cur->next) |
d3372da9 |
2479 | { |
1d85f24b |
2480 | /* Use DCCHARSET in $Get paths until further researched... */ |
9d8cf743 |
2481 | if((buf = icwcstombs(cur->str, DCCHARSET)) == NULL) |
2482 | { |
2483 | /* Can't find anything anyway if the search expression |
2484 | * requires characters outside DC's charset. There's |
2485 | * nothing technically wrong with the search itself, |
2486 | * however, so return success. This should be |
2487 | * considered as an optimization. */ |
2488 | freesl(&list); |
2489 | if(sstr != NULL) |
2490 | free(sstr); |
2491 | return(0); |
2492 | } |
2493 | if(cur != list) |
2494 | addtobuf(sstr, '$'); |
2495 | /* |
2496 | * It probably doesn't hurt if buf contains any extra |
2497 | * dollar signs - it will just result in extra search |
2498 | * terms, and the extraneous results will be filtered by |
2499 | * the search layer anyway. It hurts if it contains any |
2500 | * pipes, though, so let's sell them for money. |
2501 | */ |
2502 | for(p = buf; *p; p++) |
2503 | { |
2504 | if(*p == '|') |
2505 | *p = '$'; |
2506 | } |
2507 | bufcat(sstr, buf, strlen(buf)); |
2508 | free(buf); |
d3372da9 |
2509 | } |
9d8cf743 |
2510 | } else { |
2511 | /* Will match all files... :-/ */ |
2512 | addtobuf(sstr, '.'); |
d3372da9 |
2513 | } |
d3372da9 |
2514 | } |
2515 | addtobuf(sstr, 0); |
2516 | if(tcpsock != NULL) |
2517 | { |
2518 | if(sockgetremotename(udpsock, &name, &namelen) < 0) |
2519 | { |
2520 | flog(LOG_WARNING, "cannot get address of UDP socket"); |
2521 | } else { |
9d8cf743 |
2522 | qstrf(fn->sk, "$Search %s %s|", formataddress(name, namelen), sstr); |
d3372da9 |
2523 | free(name); |
2524 | } |
2525 | } else { |
9d8cf743 |
2526 | qstrf(fn->sk, "$Search Hub:%s %s|", hub->nativenick, sstr); |
d3372da9 |
2527 | } |
2528 | free(sstr); |
2529 | freesl(&list); |
2530 | fn->lastsrch = time(NULL); |
2531 | return(0); |
2532 | } |
2533 | |
2534 | #undef skipcmd |
2535 | #undef qstr |
2536 | #undef qstrf |
2537 | |
2538 | #define cc(c) ((void (*)(struct socket *, void *, char *, char *))(c)) |
2539 | struct command hubcmds[] = |
2540 | { |
2541 | {"$Lock", cc(cmd_lock)}, |
2542 | {"$HubName", cc(cmd_hubname)}, |
2543 | {"$Hello", cc(cmd_hello)}, |
2544 | {"$Quit", cc(cmd_quit)}, |
2545 | {"$NickList", cc(cmd_nicklist)}, |
2546 | {"$OpList", cc(cmd_oplist)}, |
2547 | {"$MyINFO", cc(cmd_myinfo)}, |
2548 | {"$ForceMove", cc(cmd_forcemove)}, |
2549 | {"$Search", cc(cmd_search)}, |
2550 | {"$MultiSearch", cc(cmd_search)}, |
2551 | {"$ConnectToMe", cc(cmd_connecttome)}, |
2552 | {"$RevConnectToMe", cc(cmd_revconnecttome)}, |
2553 | {"$GetNetInfo", cc(cmd_getnetinfo)}, |
2554 | {"$To:", cc(cmd_to)}, |
2555 | {"$SR", cc(cmd_sr)}, |
2556 | {"$UserCommand", cc(cmd_usercommand)}, |
48509089 |
2557 | {"$GetPass", cc(cmd_getpass)}, |
c9b3ad74 |
2558 | {"$LogedIn", cc(cmd_logedin)}, /* sic */ |
d3372da9 |
2559 | {NULL, NULL} |
2560 | }; |
2561 | |
2562 | struct command peercmds[] = |
2563 | { |
2564 | {"$MyNick", cc(cmd_mynick)}, |
2565 | {"$Lock", cc(cmd_peerlock)}, |
2566 | {"$Direction", cc(cmd_direction)}, |
2567 | {"$Key", cc(cmd_key)}, |
2568 | {"$FileLength", cc(cmd_filelength)}, |
2569 | {"$Error", cc(cmd_error)}, |
2570 | {"$MaxedOut", cc(cmd_maxedout)}, |
2571 | {"$Get", cc(cmd_get)}, |
2572 | {"$Send", cc(cmd_send)}, |
2573 | {"$Supports", cc(cmd_supports)}, |
2574 | {"$GetBlock", cc(cmd_getblock)}, |
2575 | {"$UGetBlock", cc(cmd_getblock)}, |
2576 | {"$GetZBlock", cc(cmd_getblock)}, |
2577 | {"$UGetZBlock", cc(cmd_getblock)}, |
2578 | {"$ADCGET", cc(cmd_adcget)}, |
9a2d6cb8 |
2579 | {"$ADCSND", cc(cmd_adcsnd), 1}, |
2580 | {"$Sending", cc(cmd_sending), 1}, |
d3372da9 |
2581 | {NULL, NULL} |
2582 | }; |
2583 | #undef cc |
2584 | |
2585 | static void dctransdetach(struct transfer *transfer, struct dcpeer *peer) |
2586 | { |
2587 | CBUNREG(transfer, trans_filterout, peer); |
2588 | if(peer->freeing) |
2589 | return; |
2590 | peer->transfer = NULL; |
2591 | freedcpeer(peer); |
2592 | } |
2593 | |
2594 | static void dctransgotdata(struct transfer *transfer, struct dcpeer *peer) |
2595 | { |
2596 | int ret; |
2597 | void *buf; |
2598 | char outbuf[1024]; |
2599 | z_stream *cstr; |
2600 | size_t bufsize; |
2601 | |
2602 | if((peer->state == PEER_TRNS) || (peer->state == PEER_SYNC)) |
2603 | { |
2604 | if(sockqueuesize(peer->sk) < 65536) |
2605 | { |
2606 | if((buf = transfergetdata(transfer, &bufsize)) != NULL) |
2607 | { |
2608 | if(peer->compress == CPRS_NONE) |
2609 | { |
2610 | sockqueue(peer->sk, buf, bufsize); |
2611 | } else if(peer->compress == CPRS_ZLIB) { |
2612 | cstr = peer->cprsdata; |
2613 | cstr->next_in = buf; |
2614 | cstr->avail_in = bufsize; |
2615 | while(cstr->avail_in > 0) |
2616 | { |
2617 | cstr->next_out = outbuf; |
2618 | cstr->avail_out = sizeof(outbuf); |
2619 | if((ret = deflate(cstr, 0)) != Z_OK) |
2620 | { |
2621 | flog(LOG_WARNING, "bug? deflate() did not return Z_OK (but rather %i)", ret); |
2622 | freedcpeer(peer); |
2623 | return; |
2624 | } |
2625 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
2626 | } |
2627 | } |
2628 | free(buf); |
2629 | } |
2630 | if(peer->state == PEER_SYNC) |
2631 | { |
2632 | if(peer->compress == CPRS_ZLIB) |
2633 | { |
2634 | cstr = peer->cprsdata; |
2635 | cstr->next_in = NULL; |
2636 | cstr->avail_in = 0; |
2637 | do |
2638 | { |
2639 | cstr->next_out = outbuf; |
2640 | cstr->avail_out = sizeof(outbuf); |
2641 | ret = deflate(cstr, Z_FINISH); |
2642 | if((ret != Z_OK) && (ret != Z_STREAM_END)) |
2643 | { |
2644 | flog(LOG_WARNING, "bug? deflate(Z_FINISH) did not return Z_OK (but rather %i)", ret); |
2645 | freedcpeer(peer); |
2646 | return; |
2647 | } |
2648 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
2649 | } while(ret != Z_STREAM_END); |
2650 | } |
2651 | if(peer->ptclose) |
2652 | { |
2653 | freedcpeer(peer); |
2654 | } else { |
1e9d82b1 |
2655 | if(peer->timeout == NULL) |
2656 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
2657 | peer->state = PEER_CMD; |
2658 | endcompress(peer); |
2659 | transfersetstate(transfer, TRNS_HS); |
2660 | socksettos(peer->sk, confgetint("fnet", "fnptos")); |
bfc261fe |
2661 | transfer->flags.b.minislot = 0; |
d3372da9 |
2662 | peer->sk->writecb = NULL; |
2663 | } |
2664 | } |
2665 | } |
2666 | } |
2667 | } |
2668 | |
2669 | static void dctransendofdata(struct transfer *transfer, struct dcpeer *peer) |
2670 | { |
2671 | peer->state = PEER_SYNC; |
2672 | dctransgotdata(transfer, peer); |
2673 | } |
2674 | |
2675 | static void dcwantdata(struct transfer *transfer, struct dcpeer *peer) |
2676 | { |
2677 | if(transferdatasize(transfer) < 65536) |
2678 | peer->sk->ignread = 0; |
2679 | } |
2680 | |
2681 | static void transread(struct socket *sk, struct dcpeer *peer) |
2682 | { |
2683 | void *buf; |
2684 | size_t bufsize; |
2685 | struct transfer *transfer; |
2686 | |
2687 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
2688 | return; |
2689 | if(peer->transfer == NULL) |
2690 | { |
2691 | free(buf); |
2692 | freedcpeer(peer); |
2693 | return; |
2694 | } |
2695 | transferputdata(peer->transfer, buf, bufsize); |
2696 | free(buf); |
2697 | if(peer->transfer->curpos >= peer->transfer->size) |
2698 | { |
2699 | transfer = peer->transfer; |
2700 | transferdetach(transfer); |
2701 | transferendofdata(transfer); |
2702 | return; |
2703 | } |
2704 | if(transferdatasize(peer->transfer) > 65535) |
2705 | sk->ignread = 1; |
2706 | } |
2707 | |
2708 | static void transerr(struct socket *sk, int err, struct dcpeer *peer) |
2709 | { |
2710 | struct transfer *transfer; |
2711 | |
2712 | if((transfer = peer->transfer) == NULL) |
2713 | { |
2714 | freedcpeer(peer); |
2715 | return; |
2716 | } |
2717 | transferdetach(transfer); |
2718 | transferendofdata(transfer); |
2719 | } |
2720 | |
2721 | static void transwrite(struct socket *sk, struct dcpeer *peer) |
2722 | { |
2723 | if((peer->state != PEER_TRNS) && (peer->state != PEER_SYNC)) |
2724 | return; |
2725 | if(peer->transfer == NULL) |
2726 | { |
2727 | freedcpeer(peer); |
2728 | return; |
2729 | } |
2730 | dctransgotdata(peer->transfer, peer); |
2731 | } |
2732 | |
2733 | static void udpread(struct socket *sk, void *data) |
2734 | { |
d86b7a9f |
2735 | char *buf, *p, *p2, *hashbuf; |
2736 | size_t buflen, hashlen; |
d3372da9 |
2737 | char *nick, *filename, *hubname; |
99a28d47 |
2738 | struct sockaddr_in hubaddr; |
d3372da9 |
2739 | int size, slots; |
2740 | struct fnetnode *fn, *myfn; |
2741 | struct dchub *hub; |
2742 | struct srchres *sr; |
2743 | wchar_t *wnick, *wfile; |
d86b7a9f |
2744 | struct hash *hash; |
d3372da9 |
2745 | |
2746 | if((buf = sockgetinbuf(sk, &buflen)) == NULL) |
2747 | return; |
2748 | buf = srealloc(buf, buflen + 1); |
2749 | buf[buflen] = 0; |
2750 | if(!strncmp(buf, "$SR ", 4)) |
2751 | { |
2752 | p = buf + 4; |
2753 | nick = p; |
2754 | if((p2 = strchr(p, ' ')) == NULL) |
2755 | { |
2756 | free(buf); |
2757 | return; |
2758 | } |
2759 | *p2 = 0; |
2760 | p = p2 + 1; |
2761 | filename = p; |
2762 | if((p2 = strchr(p, 5)) == NULL) |
2763 | { |
2764 | free(buf); |
2765 | return; |
2766 | } |
2767 | *p2 = 0; |
2768 | p = p2 + 1; |
2769 | if((p2 = strchr(p, ' ')) == NULL) |
2770 | { |
2771 | free(buf); |
2772 | return; |
2773 | } |
2774 | *p2 = 0; |
2775 | size = atoi(p); |
2776 | p = p2 + 1; |
2777 | if((p2 = strchr(p, '/')) == NULL) |
2778 | { |
2779 | free(buf); |
2780 | return; |
2781 | } |
2782 | *p2 = 0; |
2783 | slots = atoi(p); |
2784 | p = p2 + 1; |
2785 | if((p2 = strchr(p, 5)) == NULL) |
2786 | { |
2787 | free(buf); |
2788 | return; |
2789 | } |
2790 | p = p2 + 1; |
2791 | hubname = p; |
2792 | if((p2 = strstr(p, " (")) == NULL) |
2793 | { |
2794 | free(buf); |
2795 | return; |
2796 | } |
2797 | *p2 = 0; |
99a28d47 |
2798 | p = p2 + 2; |
2799 | if((p2 = strchr(p, ':')) == NULL) |
2800 | { |
2801 | free(buf); |
2802 | return; |
2803 | } |
870bf4ad |
2804 | *(p2++) = 0; |
99a28d47 |
2805 | hubaddr.sin_family = AF_INET; |
2806 | if(!inet_aton(p, &hubaddr.sin_addr)) |
2807 | { |
2808 | free(buf); |
2809 | return; |
2810 | } |
2811 | p = p2; |
2812 | if((p2 = strchr(p, ')')) == NULL) |
2813 | { |
2814 | free(buf); |
2815 | return; |
2816 | } |
2817 | *p2 = 0; |
2818 | hubaddr.sin_port = htons(atoi(p)); |
1d85f24b |
2819 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
2820 | if((wfile = icmbstowcs(filename, DCCHARSET)) == NULL) |
2821 | { |
d3372da9 |
2822 | free(buf); |
2823 | return; |
2824 | } |
2825 | myfn = NULL; |
d86b7a9f |
2826 | hash = NULL; |
2827 | if(!strncmp(hubname, "TTH:", 4)) |
d3372da9 |
2828 | { |
d86b7a9f |
2829 | if((hashbuf = base32decode(hubname + 4, &hashlen)) != NULL) |
2830 | { |
2831 | if(hashlen == 24) |
2832 | hash = newhash(L"TTH", 24, hashbuf); |
2833 | free(hashbuf); |
2834 | } |
2835 | } else { |
2836 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
d3372da9 |
2837 | { |
d86b7a9f |
2838 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL)) |
d3372da9 |
2839 | { |
d86b7a9f |
2840 | if((hub->nativename != NULL) && !strcmp(hub->nativename, hubname)) |
d3372da9 |
2841 | { |
d86b7a9f |
2842 | if(myfn == NULL) |
2843 | { |
2844 | myfn = fn; |
2845 | } else { |
2846 | myfn = NULL; |
2847 | break; |
2848 | } |
d3372da9 |
2849 | } |
2850 | } |
2851 | } |
2852 | } |
99a28d47 |
2853 | if(myfn == NULL) |
2854 | { |
2855 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
2856 | { |
39cc1b93 |
2857 | if((fn->fnet == &dcnet) && (fn->sk != NULL) && addreq(fn->sk->remote, (struct sockaddr *)&hubaddr)) |
99a28d47 |
2858 | { |
2859 | myfn = fn; |
2860 | break; |
2861 | } |
2862 | } |
2863 | } |
1d85f24b |
2864 | hub = NULL; |
2865 | if(myfn != NULL) |
2866 | hub = myfn->data; |
2867 | if((wnick = icmbstowcs(nick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
2868 | { |
2869 | free(buf); |
2870 | return; |
2871 | } |
d3372da9 |
2872 | sr = newsrchres(&dcnet, wfile, wnick); |
2873 | if(sr->peernick != NULL) |
2874 | free(sr->peernick); |
2875 | sr->peernick = swcsdup(wnick); |
2876 | sr->size = size; |
2877 | sr->slots = slots; |
2878 | free(wfile); |
2879 | free(wnick); |
2880 | if(myfn != NULL) |
2881 | getfnetnode(sr->fn = myfn); |
d86b7a9f |
2882 | if(hash != NULL) |
2883 | sr->hash = hash; |
d3372da9 |
2884 | submitsrchres(sr); |
2885 | freesrchres(sr); |
2886 | } |
2887 | free(buf); |
2888 | } |
2889 | |
2890 | static void hubread(struct socket *sk, struct fnetnode *fn) |
2891 | { |
2892 | struct dchub *hub; |
2893 | char *newbuf; |
2894 | size_t datalen; |
2895 | char *p; |
2896 | |
2897 | hub = (struct dchub *)fn->data; |
2898 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
2899 | return; |
2900 | if(hub->inbufdata > 500000) /* Discard possible malicious data */ |
2901 | hub->inbufdata = 0; |
2902 | sizebuf2(hub->inbuf, hub->inbufdata + datalen, 1); |
2903 | memcpy(hub->inbuf + hub->inbufdata, newbuf, datalen); |
2904 | free(newbuf); |
2905 | p = hub->inbuf + hub->inbufdata; |
2906 | hub->inbufdata += datalen; |
2907 | while((datalen > 0) && ((p = memchr(p, '|', datalen)) != NULL)) |
2908 | { |
2909 | *(p++) = 0; |
2910 | newqcmd(&hub->queue, hub->inbuf); |
2911 | memmove(hub->inbuf, p, hub->inbufdata -= p - hub->inbuf); |
2912 | datalen = hub->inbufdata; |
2913 | p = hub->inbuf; |
2914 | } |
2915 | } |
2916 | |
2917 | static void huberr(struct socket *sk, int err, struct fnetnode *fn) |
2918 | { |
2919 | killfnetnode(fn); |
2920 | } |
2921 | |
2922 | static int hubsetnick(struct fnetnode *fn, wchar_t *newnick) |
2923 | { |
2924 | struct dchub *hub; |
2925 | char *buf; |
2926 | |
2927 | hub = fn->data; |
1d85f24b |
2928 | if((buf = icwcstombs(newnick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
d3372da9 |
2929 | return(1); |
2930 | if((strchr(buf, ' ') != NULL) || (strchr(buf, '|') != NULL) || (strchr(buf, '$') != NULL)) |
2931 | { |
2932 | free(buf); |
2933 | return(1); |
2934 | } |
2935 | if(hub == NULL) /* Not yet connected */ |
2936 | { |
2937 | free(buf); |
2938 | return(0); |
2939 | } |
2940 | if(hub->nativenick != NULL) |
2941 | free(hub->nativenick); |
2942 | hub->nativenick = buf; |
2943 | return(0); |
2944 | } |
2945 | |
2946 | static struct dchub *newdchub(struct fnetnode *fn) |
2947 | { |
2948 | struct dchub *new; |
1c4b02cd |
2949 | wchar_t *emu; |
1d85f24b |
2950 | wchar_t *wcharset; |
2951 | char *charset; |
d3372da9 |
2952 | |
2953 | new = smalloc(sizeof(*new)); |
2954 | memset(new, 0, sizeof(*new)); |
2955 | fn->data = new; |
1c4b02cd |
2956 | if(confgetint("dc", "dcppemu")) |
2957 | new->dcppemu = 1; |
2958 | if((emu = wpfind(fn->args, L"dcppemu")) != NULL) |
2959 | { |
2960 | if(*emu == L'y') |
2961 | new->dcppemu = 1; |
2962 | if(*emu == L'n') |
2963 | new->dcppemu = 0; |
2964 | } |
1d85f24b |
2965 | charset = NULL; |
2966 | if((wcharset = wpfind(fn->args, L"charset")) != NULL) |
2967 | { |
2968 | if((charset = icwcstombs(wcharset, "US-ASCII")) != NULL) |
2969 | { |
2970 | if(!havecharset(charset)) |
2971 | { |
2972 | free(charset); |
2973 | charset = NULL; |
2974 | } |
2975 | } |
2976 | } |
2977 | if(charset != NULL) |
2978 | new->charset = charset; |
2979 | else |
2980 | new->charset = sstrdup(DCCHARSET); |
d3372da9 |
2981 | if(hubsetnick(fn, fn->mynick)) |
2982 | fnetsetnick(fn, L"DoldaConnectUser-IN"); |
2983 | /* IN as in Invalid Nick */ |
2984 | return(new); |
2985 | } |
2986 | |
2987 | static struct dcpeer *newdcpeer(struct socket *sk) |
2988 | { |
2989 | struct dcpeer *new; |
2990 | |
2991 | new = smalloc(sizeof(*new)); |
2992 | memset(new, 0, sizeof(*new)); |
2993 | new->transfer = NULL; |
2994 | getsock(sk); |
2995 | new->sk = sk; |
1c4b02cd |
2996 | if(confgetint("dc", "dcppemu")) |
2997 | new->dcppemu = 1; |
d3372da9 |
2998 | new->next = peers; |
2999 | new->prev = NULL; |
3000 | if(peers != NULL) |
3001 | peers->prev = new; |
3002 | peers = new; |
3003 | numdcpeers++; |
3004 | return(new); |
3005 | } |
3006 | |
3007 | static void freedcpeer(struct dcpeer *peer) |
3008 | { |
3009 | int i; |
3010 | struct qcommand *qcmd; |
3011 | |
3012 | peer->freeing = 1; |
3013 | if(peers == peer) |
3014 | peers = peer->next; |
3015 | if(peer->next != NULL) |
3016 | peer->next->prev = peer->prev; |
3017 | if(peer->prev != NULL) |
3018 | peer->prev->next = peer->next; |
3019 | if(peer->transfer != NULL) |
3020 | { |
3021 | if(peer->transfer->dir == TRNSD_UP) |
3022 | peer->transfer->close = 1; |
3023 | if(peer->transfer->dir == TRNSD_DOWN) |
3024 | resettransfer(peer->transfer); |
3025 | transferdetach(peer->transfer); |
3026 | } |
1e9d82b1 |
3027 | if(peer->timeout != NULL) |
3028 | canceltimer(peer->timeout); |
d3372da9 |
3029 | if(peer->sk->data == peer) |
3030 | peer->sk->data = NULL; |
3031 | peer->sk->readcb = NULL; |
3032 | peer->sk->writecb = NULL; |
3033 | peer->sk->errcb = NULL; |
3034 | putsock(peer->sk); |
3035 | endcompress(peer); |
3036 | if(peer->supports != NULL) |
3037 | { |
3038 | for(i = 0; peer->supports[i] != NULL; i++) |
3039 | free(peer->supports[i]); |
3040 | free(peer->supports); |
3041 | } |
d3372da9 |
3042 | if(peer->inbuf != NULL) |
3043 | free(peer->inbuf); |
3044 | if(peer->key != NULL) |
3045 | free(peer->key); |
3046 | if(peer->wcsname != NULL) |
3047 | free(peer->wcsname); |
3048 | if(peer->nativename != NULL) |
3049 | free(peer->nativename); |
1d85f24b |
3050 | if(peer->charset != NULL) |
3051 | free(peer->charset); |
d3372da9 |
3052 | if(peer->fn != NULL) |
3053 | putfnetnode(peer->fn); |
3054 | while((qcmd = ulqcmd(&peer->queue)) != NULL) |
3055 | freeqcmd(qcmd); |
3056 | free(peer); |
3057 | numdcpeers--; |
3058 | } |
3059 | |
3060 | static void hubconnect(struct fnetnode *fn) |
3061 | { |
3062 | fn->sk->readcb = (void (*)(struct socket *, void *))hubread; |
3063 | fn->sk->errcb = (void (*)(struct socket *, int, void *))huberr; |
3064 | getfnetnode(fn); |
3065 | fn->data = newdchub(fn); |
3066 | fn->sk->data = fn; |
3067 | return; |
3068 | } |
3069 | |
3070 | static void hubdestroy(struct fnetnode *fn) |
3071 | { |
3072 | struct dchub *hub; |
3073 | struct qcommand *qcmd; |
3074 | |
3075 | hub = (struct dchub *)fn->data; |
3076 | if(fn->sk != NULL) |
3077 | { |
3078 | if(fn->sk->data == fn) |
3079 | { |
3080 | fn->sk->data = NULL; |
3081 | putfnetnode(fn); |
3082 | } |
3083 | } |
3084 | if(hub == NULL) |
3085 | return; |
3086 | while((qcmd = ulqcmd(&hub->queue)) != NULL) |
3087 | freeqcmd(qcmd); |
3088 | if(hub->nativename != NULL) |
3089 | free(hub->nativename); |
3090 | if(hub->nativenick != NULL) |
3091 | free(hub->nativenick); |
1d85f24b |
3092 | if(hub->charset != NULL) |
3093 | free(hub->charset); |
d3372da9 |
3094 | if(hub->inbuf != NULL) |
3095 | free(hub->inbuf); |
3096 | free(hub); |
3097 | } |
3098 | |
3099 | static wchar_t *dcbasename(wchar_t *filename) |
3100 | { |
3101 | wchar_t *ret; |
3102 | |
3103 | if((ret = wcsrchr(filename, L'\\')) != NULL) |
3104 | return(ret + 1); |
3105 | return(filename); |
3106 | } |
3107 | |
3108 | static struct transferiface dctransfer = |
3109 | { |
3110 | .detach = (void (*)(struct transfer *, void *))dctransdetach, |
3111 | .gotdata = (void (*)(struct transfer *, void *))dctransgotdata, |
3112 | .endofdata = (void (*)(struct transfer *, void *))dctransendofdata, |
3113 | .wantdata = (void (*)(struct transfer *, void *))dcwantdata |
3114 | }; |
3115 | |
3116 | static struct fnet dcnet = |
3117 | { |
3118 | .name = L"dc", |
3119 | .connect = hubconnect, |
3120 | .destroy = hubdestroy, |
3121 | .setnick = hubsetnick, |
3122 | .reqconn = hubreqconn, |
3123 | .sendchat = hubsendchat, |
3124 | .search = hubsearch, |
3125 | .filebasename = dcbasename |
3126 | }; |
3127 | |
3128 | static void peerread(struct socket *sk, struct dcpeer *peer) |
3129 | { |
3130 | char *newbuf, *p; |
3131 | size_t datalen; |
9a2d6cb8 |
3132 | struct command *cmd; |
d3372da9 |
3133 | |
3134 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
3135 | return; |
3136 | sizebuf2(peer->inbuf, peer->inbufdata + datalen, 1); |
3137 | memcpy(peer->inbuf + peer->inbufdata, newbuf, datalen); |
3138 | free(newbuf); |
d3372da9 |
3139 | peer->inbufdata += datalen; |
9a2d6cb8 |
3140 | if(peer->state == PEER_CMD) |
d3372da9 |
3141 | { |
d3372da9 |
3142 | p = peer->inbuf; |
9a2d6cb8 |
3143 | while((peer->inbufdata > 0) && (p = memchr(peer->inbuf, '|', peer->inbufdata)) != NULL) |
3144 | { |
3145 | *(p++) = 0; |
3146 | newqcmd(&peer->queue, peer->inbuf); |
3147 | for(cmd = peercmds; cmd->handler != NULL; cmd++) |
3148 | { |
5eee9d66 |
3149 | if(!memcmp(peer->inbuf, cmd->name, strlen(cmd->name)) && ((peer->inbuf[strlen(cmd->name)] == ' ') || (peer->inbuf[strlen(cmd->name)] == '|'))) |
9a2d6cb8 |
3150 | break; |
3151 | } |
5eee9d66 |
3152 | memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf); |
9a2d6cb8 |
3153 | if(cmd->stop) |
3154 | { |
3155 | peer->state = PEER_STOP; |
3156 | break; |
3157 | } |
9a2d6cb8 |
3158 | } |
3159 | } else if(peer->state == PEER_TTHL) { |
3160 | handletthl(peer); |
d3372da9 |
3161 | } |
3162 | } |
3163 | |
3164 | static void peererror(struct socket *sk, int err, struct dcpeer *peer) |
3165 | { |
3166 | freedcpeer(peer); |
3167 | } |
3168 | |
3169 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn) |
3170 | { |
3171 | struct dcpeer *peer; |
1c4b02cd |
3172 | struct dchub *hub; |
d3372da9 |
3173 | |
3174 | if(err != 0) |
3175 | { |
3176 | putfnetnode(fn); |
3177 | return; |
3178 | } |
1c4b02cd |
3179 | hub = fn->data; |
d3372da9 |
3180 | peer = newdcpeer(sk); |
3181 | peer->fn = fn; |
3182 | peer->accepted = 0; |
1c4b02cd |
3183 | peer->dcppemu = hub->dcppemu; |
d3372da9 |
3184 | sk->readcb = (void (*)(struct socket *, void *))peerread; |
3185 | sk->errcb = (void (*)(struct socket *, int, void *))peererror; |
3186 | sk->data = peer; |
3187 | socksettos(sk, confgetint("fnet", "fnptos")); |
d3372da9 |
3188 | putsock(sk); |
1e9d82b1 |
3189 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 |
3190 | sendmynick(peer); |
3191 | sendpeerlock(peer); |
d3372da9 |
3192 | } |
3193 | |
3194 | static void peeraccept(struct socket *sk, struct socket *newsk, void *data) |
3195 | { |
3196 | struct dcpeer *peer; |
3197 | |
3198 | peer = newdcpeer(newsk); |
3199 | peer->accepted = 1; |
3200 | newsk->readcb = (void (*)(struct socket *, void *))peerread; |
3201 | newsk->errcb = (void (*)(struct socket *, int, void *))peererror; |
3202 | newsk->data = peer; |
3203 | socksettos(newsk, confgetint("fnet", "fnptos")); |
1e9d82b1 |
3204 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
3205 | } |
3206 | |
3207 | static void updatehmlist(void) |
3208 | { |
3209 | int i, lev, ic, ret; |
3210 | struct sharecache *node; |
3211 | char *buf, *buf2, numbuf[32]; |
3212 | size_t bufsize, bufdata; |
3213 | int fd, ibuf; |
3214 | |
3215 | bufdata = 0; |
3216 | buf = smalloc(bufsize = 65536); |
3217 | node = shareroot->child; |
3218 | lev = 0; |
3219 | while(1) |
3220 | { |
3221 | ic = 0; |
1d85f24b |
3222 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
3223 | if((buf2 = icwcstombs(node->name, DCCHARSET)) != NULL) |
3224 | { |
3225 | for(i = 0; i < lev; i++) |
3226 | addtobuf(buf, 9); |
3227 | bufcat(buf, buf2, strlen(buf2)); |
3228 | free(buf2); |
3229 | if(node->f.b.type == FILE_REG) |
3230 | { |
3231 | addtobuf(buf, '|'); |
3232 | sprintf(numbuf, "%i", node->size); |
3233 | bufcat(buf, numbuf, strlen(numbuf)); |
3234 | } |
3235 | addtobuf(buf, 13); |
3236 | addtobuf(buf, 10); |
3237 | } else { |
3238 | ic = 1; |
3239 | } |
3240 | if((node->child != NULL) && !ic) |
3241 | { |
3242 | lev++; |
3243 | node = node->child; |
3244 | } else if(node->next != NULL) { |
3245 | node = node->next; |
3246 | } else { |
3247 | while(node->next == NULL) |
3248 | { |
3249 | lev--; |
3250 | node = node->parent; |
3251 | if(node == shareroot) |
3252 | break; |
3253 | } |
3254 | if(node == shareroot) |
3255 | break; |
3256 | node = node->next; |
3257 | } |
3258 | } |
3259 | if(hmlistname != NULL) |
3260 | { |
3261 | unlink(hmlistname); |
3262 | free(hmlistname); |
3263 | } |
3264 | hmlistname = sstrdup("/tmp/dc-filelist-hm-XXXXXX"); |
3265 | if((fd = mkstemp(hmlistname)) < 0) |
3266 | { |
3267 | flog(LOG_WARNING, "could not create HM file list tempfile: %s", strerror(errno)); |
3268 | free(hmlistname); |
3269 | hmlistname = NULL; |
3270 | } else { |
3271 | /* |
3272 | * I do not want to implement a good Huffman encoder, and it's not |
3273 | * like Huffman encoding actually yields any impressive results |
3274 | * for DC file lists anyway, so I'll just output a bogus |
3275 | * tree. Implement a good encoder if you want to. |
3276 | */ |
3277 | write(fd, "HE3\r\0", 5); |
3278 | write(fd, &bufdata, 4); |
3279 | ibuf = 256; |
3280 | write(fd, &ibuf, 2); |
3281 | ibuf = 8; |
3282 | for(i = 0; i < 256; i++) |
3283 | { |
3284 | write(fd, &i, 1); |
3285 | write(fd, &ibuf, 1); |
3286 | } |
3287 | for(i = 0; i < 256; i++) |
3288 | write(fd, &i, 1); |
3289 | for(buf2 = buf; bufdata > 0;) |
3290 | { |
3291 | if((ret = write(fd, buf2, bufdata)) < 0) |
3292 | { |
3293 | flog(LOG_WARNING, "could not write file list: %s", strerror(errno)); |
3294 | break; |
3295 | } |
3296 | bufdata -= ret; |
3297 | buf2 += ret; |
3298 | } |
3299 | close(fd); |
3300 | } |
3301 | free(buf); |
3302 | } |
3303 | |
3304 | static struct xmlent |
3305 | { |
3306 | wchar_t c; |
3307 | wchar_t *ent; |
3308 | } entities[] = { |
3309 | {L'&', L"&"}, |
3310 | {L'\"', L"""}, |
3311 | /* {L'\'', L"""}, Emulate DC++ escaping by omitting this. */ |
3312 | {L'\0', NULL} |
3313 | }; |
3314 | |
3315 | static wchar_t *escapexml(wchar_t *src) |
3316 | { |
3317 | static wchar_t *buf = NULL;; |
3318 | int ret, c; |
3319 | wchar_t nbuf[32]; |
3320 | size_t bufsize, bufdata; |
3321 | struct xmlent *ent; |
3322 | |
3323 | if(buf != NULL) |
3324 | free(buf); |
3325 | buf = NULL; |
3326 | bufsize = bufdata = 0; |
3327 | for(; *src != L'\0'; src++) |
3328 | { |
3329 | c = wctob(*src); |
3330 | if((c > 0) && (c < 32)) |
3331 | { |
3332 | bufcat(buf, L"&#", 2); |
3333 | ret = swprintf(nbuf, (sizeof(nbuf) / sizeof(*nbuf)), L"%i", c); |
3334 | bufcat(buf, nbuf, ret); |
3335 | addtobuf(buf, L';'); |
3336 | } else { |
3337 | for(ent = entities; ent->ent != NULL; ent++) |
3338 | { |
3339 | if(ent->c == *src) |
3340 | { |
3341 | bufcat(buf, ent->ent, wcslen(ent->ent)); |
3342 | break; |
3343 | } |
3344 | } |
3345 | if(ent->ent == NULL) |
3346 | addtobuf(buf, *src); |
3347 | } |
3348 | } |
3349 | addtobuf(buf, L'\0'); |
3350 | return(buf); |
3351 | } |
3352 | |
3353 | static void updatexmllist(void) |
3354 | { |
3355 | int i, fd, lev; |
3356 | FILE *fs; |
3357 | char cidbuf[14], *namebuf; |
3358 | char *hashbuf; |
3359 | struct sharecache *node; |
3360 | |
3361 | if(xmllistname != NULL) |
3362 | { |
3363 | unlink(xmllistname); |
3364 | free(xmllistname); |
3365 | } |
3366 | xmllistname = sstrdup("/tmp/dc-filelist-dcxml-XXXXXX"); |
3367 | if((fd = mkstemp(xmllistname)) < 0) |
3368 | { |
3369 | flog(LOG_WARNING, "could not create XML file list tempfile: %s", strerror(errno)); |
3370 | free(xmllistname); |
3371 | xmllistname = NULL; |
3372 | return; |
3373 | } |
3374 | if((fs = fdopen(fd, "w")) == NULL) |
3375 | { |
3376 | flog(LOG_WARNING, "could not fdopen XML list fd %i: %s", fd, strerror(errno)); |
3377 | unlink(xmllistname); |
3378 | free(xmllistname); |
3379 | xmllistname = NULL; |
3380 | close(fd); |
3381 | return; |
3382 | } |
3383 | fprintf(fs, "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>\r\n"); |
3384 | for(i = 0; i < sizeof(cidbuf) - 1; i++) |
3385 | cidbuf[i] = (rand() % ('Z' - 'A' + 1)) + 'A'; |
3386 | cidbuf[i] = 0; |
1c4b02cd |
3387 | if(confgetint("dc", "dcppemu")) |
3388 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"DC++ 0.674\">\r\n", cidbuf); |
3389 | else |
3390 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"%s\">\r\n", cidbuf, "DoldaConnect" VERSION); |
d3372da9 |
3391 | |
3392 | node = shareroot->child; |
3393 | lev = 0; |
3394 | while(1) |
3395 | { |
3396 | if((namebuf = icswcstombs(escapexml(node->name), "UTF-8", NULL)) != NULL) |
3397 | { |
3398 | for(i = 0; i < lev; i++) |
3399 | fputc('\t', fs); |
3400 | if(node->child != NULL) |
3401 | { |
3402 | fprintf(fs, "<Directory Name=\"%s\">\r\n", namebuf); |
3403 | node = node->child; |
3404 | lev++; |
3405 | continue; |
3406 | } else { |
3407 | fprintf(fs, "<File Name=\"%s\" Size=\"%i\"", namebuf, node->size); |
3408 | if(node->f.b.hastth) |
3409 | { |
3410 | hashbuf = base32encode(node->hashtth, 24); |
3411 | fprintf(fs, " TTH=\"%.39s\"", hashbuf); |
3412 | free(hashbuf); |
3413 | } |
3414 | fprintf(fs, "/>\r\n"); |
3415 | } |
3416 | while(node->next == NULL) |
3417 | { |
3418 | node = node->parent; |
3419 | if(node == shareroot) |
3420 | { |
3421 | break; |
3422 | } else { |
3423 | lev--; |
3424 | for(i = 0; i < lev; i++) |
3425 | fputc('\t', fs); |
3426 | fprintf(fs, "</Directory>\r\n"); |
3427 | } |
3428 | } |
3429 | if(node == shareroot) |
3430 | break; |
3431 | node = node->next; |
3432 | } |
3433 | } |
3434 | |
1c4b02cd |
3435 | if(confgetint("dc", "dcppemu")) |
3436 | fprintf(fs, "</FileListing>"); |
3437 | else |
3438 | fprintf(fs, "</FileListing>\r\n"); |
d3372da9 |
3439 | fclose(fs); |
3440 | } |
3441 | |
3442 | static void updatexmlbz2list(void) |
3443 | { |
3444 | int err, fd; |
3445 | FILE *in; |
3446 | FILE *real; |
3447 | BZFILE *out; |
3448 | char buf[1024]; |
3449 | size_t bufdata; |
3450 | |
3451 | if(xmllistname == NULL) |
3452 | return; |
3453 | if((in = fopen(xmllistname, "r")) == NULL) |
3454 | { |
3455 | flog(LOG_WARNING, "could not open XML file list for bzipping: %s", strerror(errno)); |
3456 | return; |
3457 | } |
3458 | if(xmlbz2listname != NULL) |
3459 | { |
3460 | unlink(xmlbz2listname); |
3461 | free(xmlbz2listname); |
3462 | } |
3463 | xmlbz2listname = sstrdup("/tmp/dc-filelist-dcxmlbz2-XXXXXX"); |
3464 | if((fd = mkstemp(xmlbz2listname)) < 0) |
3465 | { |
3466 | flog(LOG_WARNING, "could not create bzipped XML file list tempfile: %s", strerror(errno)); |
3467 | free(xmlbz2listname); |
3468 | xmlbz2listname = NULL; |
3469 | fclose(in); |
3470 | return; |
3471 | } |
3472 | if((real = fdopen(fd, "w")) == NULL) |
3473 | { |
3474 | flog(LOG_WARNING, "could not fdopen bzipped XML list fd %i: %s", fd, strerror(errno)); |
3475 | close(fd); |
3476 | unlink(xmlbz2listname); |
3477 | free(xmlbz2listname); |
3478 | xmlbz2listname = NULL; |
3479 | fclose(in); |
3480 | return; |
3481 | } |
3482 | out = BZ2_bzWriteOpen(&err, real, 9, 0, 0); |
3483 | if(err != BZ_OK) |
3484 | { |
3485 | flog(LOG_WARNING, "could not open bzip2 stream from XML list"); |
3486 | fclose(real); |
3487 | unlink(xmlbz2listname); |
3488 | free(xmlbz2listname); |
3489 | xmlbz2listname = NULL; |
3490 | fclose(in); |
3491 | return; |
3492 | } |
3493 | while(!feof(in)) |
3494 | { |
3495 | bufdata = fread(buf, 1, sizeof(buf), in); |
3496 | BZ2_bzWrite(&err, out, buf, bufdata); |
3497 | } |
3498 | fclose(in); |
3499 | BZ2_bzWriteClose(&err, out, 0, NULL, NULL); |
3500 | fclose(real); |
3501 | } |
3502 | |
3503 | static int shareupdate(unsigned long long uusharesize, void *data) |
3504 | { |
3505 | updatehmlist(); |
3506 | updatexmllist(); |
3507 | updatexmlbz2list(); |
3508 | return(0); |
3509 | } |
3510 | |
3511 | static void dispatchcommand(struct qcommand *qcmd, struct command *cmdlist, struct socket *sk, void *data) |
3512 | { |
3513 | char *p; |
3514 | struct command *cmd; |
3515 | |
3516 | if((p = strchr(qcmd->string, ' ')) != NULL) |
3517 | *(p++) = 0; |
3518 | for(cmd = cmdlist; cmd->handler != NULL; cmd++) |
3519 | { |
3520 | if(!strcmp(cmd->name, qcmd->string)) |
3521 | break; |
3522 | } |
3523 | if(cmd->handler != NULL) |
3524 | cmd->handler(sk, data, qcmd->string, p); |
3525 | /* |
3526 | else |
3527 | flog(LOG_DEBUG, "Unimplemented DC command: %s \"%s\"", qcmd->string, p?p:"noargs"); |
3528 | */ |
3529 | } |
3530 | |
3531 | static int run(void) |
3532 | { |
3533 | struct fnetnode *fn, *nextfn; |
3534 | struct dchub *hub; |
3535 | struct dcpeer *peer, *nextpeer; |
3536 | struct qcommand *qcmd; |
3537 | int ret; |
3538 | |
3539 | ret = 0; |
3540 | for(fn = fnetnodes; fn != NULL; fn = nextfn) |
3541 | { |
3542 | nextfn = fn->next; |
3543 | if(fn->fnet != &dcnet) |
3544 | continue; |
3545 | if(fn->data == NULL) |
3546 | continue; |
3547 | hub = (struct dchub *)fn->data; |
3548 | if((qcmd = ulqcmd(&hub->queue)) != NULL) |
3549 | { |
3550 | if(*qcmd->string == '$') |
3551 | { |
3552 | if((fn->sk != NULL) && (fn->sk->state == SOCK_EST)) |
3553 | dispatchcommand(qcmd, hubcmds, fn->sk, fn); |
3554 | } else if(*qcmd->string != 0) { |
3555 | hubrecvchat(fn->sk, fn, NULL, qcmd->string); |
3556 | } |
3557 | freeqcmd(qcmd); |
3558 | ret = 1; |
3559 | break; |
3560 | } |
3561 | } |
3562 | for(peer = peers; peer != NULL; peer = nextpeer) |
3563 | { |
3564 | nextpeer = peer->next; |
3565 | if((qcmd = ulqcmd(&peer->queue)) != NULL) |
3566 | { |
1e9d82b1 |
3567 | if(peer->timeout != NULL) |
3568 | canceltimer(peer->timeout); |
3569 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
3570 | if(*qcmd->string == '$') |
3571 | dispatchcommand(qcmd, peercmds, peer->sk, peer); |
3572 | freeqcmd(qcmd); |
3573 | ret = 1; |
3574 | break; |
3575 | } |
3576 | } |
3577 | return(ret); |
3578 | } |
3579 | |
3580 | static void preinit(int hup) |
3581 | { |
3582 | if(hup) |
3583 | return; |
3584 | regfnet(&dcnet); |
3585 | } |
3586 | |
3587 | static int updateudpport(struct configvar *var, void *uudata) |
3588 | { |
3589 | struct sockaddr_in addr; |
3590 | struct socket *newsock; |
3591 | |
3592 | memset(&addr, 0, sizeof(addr)); |
3593 | addr.sin_family = AF_INET; |
3594 | addr.sin_port = htons(var->val.num); |
3595 | if((newsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) |
3596 | { |
3597 | flog(LOG_WARNING, "could not create new DC UDP socket, reverting to old: %s", strerror(errno)); |
3598 | return(0); |
3599 | } |
3600 | newsock->readcb = udpread; |
3601 | if(udpsock != NULL) |
3602 | putsock(udpsock); |
3603 | udpsock = newsock; |
3604 | return(0); |
3605 | } |
3606 | |
3607 | static int updatetcpport(struct configvar *var, void *uudata) |
3608 | { |
3609 | struct sockaddr_in addr; |
3610 | struct socket *newsock; |
3611 | |
3612 | memset(&addr, 0, sizeof(addr)); |
3613 | addr.sin_family = AF_INET; |
3614 | addr.sin_port = htons(var->val.num); |
3615 | if((newsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) |
3616 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); |
3617 | if(tcpsock != NULL) |
3618 | putsock(tcpsock); |
3619 | tcpsock = newsock; |
3620 | return(0); |
3621 | } |
3622 | |
3623 | static int init(int hup) |
3624 | { |
3625 | struct sockaddr_in addr; |
3626 | |
3627 | if(!hup) |
3628 | { |
3629 | GCBREG(sharechangecb, shareupdate, NULL); |
3630 | if(udpsock != NULL) |
3631 | putsock(udpsock); |
3632 | if(tcpsock != NULL) |
3633 | putsock(tcpsock); |
3634 | addr.sin_family = AF_INET; |
3635 | memset(&addr.sin_addr, 0, sizeof(addr.sin_addr)); |
3636 | addr.sin_port = htons(confgetint("dc", "udpport")); |
3637 | if((udpsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) |
3638 | { |
3639 | flog(LOG_CRIT, "could not create DC UDP socket: %s", strerror(errno)); |
3640 | return(1); |
3641 | } |
3642 | udpsock->readcb = udpread; |
3643 | addr.sin_port = htons(confgetint("dc", "tcpport")); |
3644 | if((tcpsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) |
3645 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); |
3646 | CBREG(confgetvar("dc", "udpport"), conf_update, updateudpport, NULL, NULL); |
3647 | CBREG(confgetvar("dc", "tcpport"), conf_update, updatetcpport, NULL, NULL); |
3648 | CBREG(confgetvar("net", "mode"), conf_update, updatetcpport, NULL, NULL); |
3649 | } |
3650 | return(0); |
3651 | } |
3652 | |
3653 | static void terminate(void) |
3654 | { |
3655 | if(hmlistname != NULL) |
3656 | { |
3657 | unlink(hmlistname); |
3658 | free(hmlistname); |
3659 | } |
3660 | if(xmllistname != NULL) |
3661 | { |
3662 | unlink(xmllistname); |
3663 | free(xmllistname); |
3664 | } |
3665 | if(xmlbz2listname != NULL) |
3666 | { |
3667 | unlink(xmlbz2listname); |
3668 | free(xmlbz2listname); |
3669 | } |
3670 | } |
3671 | |
3672 | static struct configvar myvars[] = |
3673 | { |
3674 | {CONF_VAR_STRING, "desc", {.str = L""}}, |
3675 | {CONF_VAR_STRING, "speedstring", {.str = L"LAN(T1)"}}, |
3676 | {CONF_VAR_STRING, "email", {.str = L"spam@spam.org"}}, |
3677 | {CONF_VAR_INT, "udpport", {.num = 0}}, |
3678 | {CONF_VAR_INT, "tcpport", {.num = 0}}, |
1c4b02cd |
3679 | {CONF_VAR_BOOL, "dcppemu", {.num = 0}}, |
d3372da9 |
3680 | {CONF_VAR_END} |
3681 | }; |
3682 | |
3683 | static struct module me = |
3684 | { |
3685 | .conf = |
3686 | { |
3687 | .vars = myvars |
3688 | }, |
3689 | .preinit = preinit, |
3690 | .init = init, |
3691 | .run = run, |
3692 | .terminate = terminate, |
3693 | .name = "dc" |
3694 | }; |
3695 | |
3696 | MODULE(me) |