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" |
8b17e919 |
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; |
6305c428 |
161 | static struct timer *listwritetimer = NULL; |
d3372da9 |
162 | |
163 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn); |
164 | static void freedcpeer(struct dcpeer *peer); |
165 | static void transread(struct socket *sk, struct dcpeer *peer); |
166 | static void transerr(struct socket *sk, int err, struct dcpeer *peer); |
167 | static void transwrite(struct socket *sk, struct dcpeer *peer); |
168 | static void updatehmlist(void); |
169 | static void updatexmllist(void); |
170 | static void updatexmlbz2list(void); |
9a2d6cb8 |
171 | static void requestfile(struct dcpeer *peer); |
6305c428 |
172 | static void updatelists(int now); |
d3372da9 |
173 | |
174 | static int reservedchar(unsigned char c) |
175 | { |
176 | return((c == 0) || (c == 5) || (c == 124) || (c == 96) || (c == 126) || (c == 36)); |
177 | } |
178 | |
179 | /* Oh, how I despise having to do this... */ |
180 | static char *dcmakekey(char *lock) |
181 | { |
182 | int i, len, offset; |
183 | char *buf, *key; |
184 | char save; |
185 | |
186 | buf = smalloc(strlen(lock)); |
187 | save = 5; |
188 | len = 0; |
189 | for(i = 0; lock[i]; i++) |
190 | { |
191 | buf[i] = lock[i] ^ save; |
192 | buf[i] = ((buf[i] & 0x0F) << 4) | ((buf[i] & 0xF0) >> 4); |
193 | save = lock[i]; |
194 | if((i != 0) && reservedchar(buf[i])) |
195 | len += 10; |
196 | else |
197 | len++; |
198 | } |
199 | buf[0] ^= buf[i - 1]; |
200 | if(reservedchar(buf[0])) |
201 | len += 10; |
202 | else |
203 | len++; |
204 | key = smalloc(len + 1); |
205 | offset = 0; |
206 | for(i = 0; lock[i] != 0; i++) |
207 | { |
208 | if(reservedchar(buf[i])) |
209 | offset += sprintf(key + offset, "/%%DCN%03i%%/", buf[i]); |
210 | else |
211 | key[offset++] = buf[i]; |
212 | } |
213 | key[offset] = 0; |
214 | free(buf); |
215 | return(key); |
216 | } |
217 | |
9a2d6cb8 |
218 | static char *pathnmdc2adc(char *path) |
219 | { |
220 | char *ret; |
221 | size_t retsize, retdata; |
222 | |
223 | if(!strcmp(path, "files.xml") || !strcmp(path, "files.xml.bz2") || !strcmp(path, "MyList.DcLst")) |
224 | return(sstrdup(path)); |
225 | ret = NULL; |
226 | retsize = retdata = 0; |
227 | addtobuf(ret, '/'); |
228 | for(; *path; path++) |
229 | { |
230 | if(*path == '\\') |
231 | addtobuf(ret, '/'); |
232 | else |
233 | addtobuf(ret, *path); |
234 | } |
235 | addtobuf(ret, 0); |
236 | return(ret); |
237 | } |
238 | |
239 | static int isdchash(struct hash *hash) |
240 | { |
241 | if(wcscmp(hash->algo, L"TTH")) |
242 | return(0); |
243 | if(hash->len != 24) |
244 | return(0); |
245 | return(1); |
246 | } |
247 | |
248 | static int supports(struct dcpeer *peer, char *cap) |
249 | { |
250 | char **p; |
251 | |
252 | if(peer->supports == NULL) |
253 | return(0); |
254 | for(p = peer->supports; *p != NULL; p++) |
255 | { |
256 | if(!strcasecmp(*p, cap)) |
257 | return(1); |
258 | } |
259 | return(0); |
260 | } |
261 | |
d3372da9 |
262 | static void endcompress(struct dcpeer *peer) |
263 | { |
264 | if(peer->compress == CPRS_ZLIB) |
265 | { |
266 | deflateEnd(peer->cprsdata); |
267 | free(peer->cprsdata); |
268 | } |
269 | peer->compress = CPRS_NONE; |
270 | } |
271 | |
272 | static void initcompress(struct dcpeer *peer, int algo) |
273 | { |
274 | int ret; |
275 | |
276 | endcompress(peer); |
277 | peer->compress = algo; |
278 | if(algo == CPRS_ZLIB) |
279 | { |
280 | peer->cprsdata = smalloc(sizeof(z_stream)); |
281 | memset(peer->cprsdata, 0, sizeof(z_stream)); |
282 | if((ret = deflateInit(peer->cprsdata, 3)) != Z_OK) |
283 | { |
284 | flog(LOG_CRIT, "Aiya! zlib refuses to init (%i)!", ret); |
285 | abort(); |
286 | } |
287 | } |
288 | } |
289 | |
290 | static void unquote(wchar_t *in) |
291 | { |
292 | wchar_t *p, *p2, nc; |
293 | |
294 | for(p = in; *p != L'\0'; p++) |
295 | { |
296 | if(*p == L'&') |
297 | { |
298 | for(p2 = p + 1; (*p2 != L'\0') && (*p2 != L';') && (*p2 != L'&'); p2++); |
299 | if(*p2 == L'&') |
300 | continue; |
301 | if(*p2 == L'\0') |
302 | return; |
303 | *p2 = L'\0'; |
304 | nc = L'\0'; |
305 | if(!wcscmp(p + 1, L"amp")) |
306 | { |
307 | nc = L'&'; |
308 | } else if(p[1] == L'#') { |
309 | nc = ucptowc(wcstol(p + 2, NULL, 10)); |
310 | } |
311 | if(nc == L'\0') |
312 | { |
313 | *p2 = L';'; |
314 | p = p2; |
315 | continue; |
316 | } |
317 | *p = nc; |
318 | memmove(p + 1, p2 + 1, (wcslen(p2 + 1) + 1) * sizeof(wchar_t)); |
319 | } |
320 | } |
321 | } |
322 | |
323 | static void freeexppeer(struct dcexppeer *ep) |
324 | { |
325 | if(ep->next != NULL) |
326 | ep->next->prev = ep->prev; |
327 | if(ep->prev != NULL) |
328 | ep->prev->next = ep->next; |
329 | if(ep == expected) |
330 | expected = ep->next; |
331 | free(ep->nick); |
332 | putfnetnode(ep->fn); |
333 | if(ep->expire != NULL) |
334 | canceltimer(ep->expire); |
335 | free(ep); |
336 | } |
337 | |
338 | static void exppeerexpire(int cancelled, struct dcexppeer *ep) |
339 | { |
340 | ep->expire = NULL; |
341 | if(!cancelled) |
342 | freeexppeer(ep); |
343 | } |
344 | |
345 | static struct dcexppeer *expectpeer(char *nick, struct fnetnode *fn) |
346 | { |
347 | struct dcexppeer *ep; |
348 | |
349 | ep = smalloc(sizeof(*ep)); |
350 | ep->nick = sstrdup(nick); |
351 | getfnetnode(ep->fn = fn); |
352 | ep->expire = timercallback(ntime() + 300, (void (*)(int, void *))exppeerexpire, ep); |
353 | ep->next = expected; |
354 | ep->prev = NULL; |
355 | if(expected != NULL) |
356 | expected->prev = ep; |
357 | expected = ep; |
358 | return(ep); |
359 | } |
360 | |
361 | static struct qcommand *newqcmd(struct qcommand **queue, char *string) |
362 | { |
363 | struct qcommand *new; |
364 | |
365 | while(*queue != NULL) |
366 | queue = &(*queue)->next; |
367 | new = smalloc(sizeof(*new)); |
368 | new->string = sstrdup(string); |
369 | new->next = *queue; |
370 | *queue = new; |
371 | return(new); |
372 | } |
373 | |
374 | static struct qcommand *ulqcmd(struct qcommand **queue) |
375 | { |
376 | struct qcommand *qcmd; |
377 | |
378 | if((qcmd = *queue) == NULL) |
379 | return(NULL); |
380 | *queue = qcmd->next; |
381 | return(qcmd); |
382 | } |
383 | |
384 | static void freeqcmd(struct qcommand *qcmd) |
385 | { |
386 | free(qcmd->string); |
387 | free(qcmd); |
388 | } |
389 | |
390 | static void hubrecvchat(struct socket *sk, struct fnetnode *fn, char *from, char *string) |
391 | { |
392 | wchar_t *chat, *wfrom, *wpeer; |
393 | char *p, *end; |
394 | struct fnetpeer *peer; |
1d85f24b |
395 | struct dchub *hub; |
d3372da9 |
396 | |
1d85f24b |
397 | hub = fn->data; |
d3372da9 |
398 | end = string + strlen(string); |
399 | while((p = strchr(string, 13)) != NULL) |
400 | memmove(p, p + 1, (end-- - p)); |
401 | if(from != NULL) |
402 | { |
403 | if((strlen(string) > strlen(from) + 2) && (*string == '<') && !memcmp(string + 1, from, strlen(from)) && (*(string + strlen(from) + 1) == '>')) |
404 | string += strlen(from) + 2; |
1d85f24b |
405 | if((wfrom = icmbstowcs(from, hub->charset)) == NULL) |
d3372da9 |
406 | return; |
407 | wpeer = swcsdup(wfrom); |
408 | } else { |
409 | wfrom = NULL; |
410 | wpeer = NULL; |
411 | if(*string == '<') |
412 | { |
413 | for(p = string + 1; *p; p++) |
414 | { |
415 | if((*p == ' ') || (*p == '>')) |
416 | break; |
417 | } |
418 | if(*p == '>') |
419 | { |
420 | *(p++) = 0; |
421 | if(*p == ' ') |
422 | p++; |
1d85f24b |
423 | if((wpeer = icmbstowcs(string + 1, hub->charset)) == NULL) |
d3372da9 |
424 | return; |
425 | string = p; |
426 | } |
427 | } |
428 | if(wpeer == NULL) |
429 | wpeer = swcsdup(L""); |
430 | } |
1d85f24b |
431 | if((chat = icmbstowcs(string, hub->charset)) == NULL) |
d3372da9 |
432 | { |
433 | if(wfrom != NULL) |
434 | free(wfrom); |
435 | free(wpeer); |
436 | return; |
437 | } |
438 | unquote(chat); |
439 | if(wfrom != NULL) |
440 | { |
441 | if((peer = fnetfindpeer(fn, wfrom)) == NULL) /* Assume public chat */ |
442 | fnethandlechat(fn, 1, wfrom, wpeer, chat); |
443 | else |
444 | fnethandlechat(fn, 0, wfrom, wpeer, chat); |
445 | } else { |
446 | fnethandlechat(fn, 1, L"", wpeer, chat); |
447 | } |
448 | if(wfrom != NULL) |
449 | free(wfrom); |
450 | free(wpeer); |
451 | free(chat); |
452 | } |
453 | |
1e9d82b1 |
454 | static void peertimeout(int cancelled, struct dcpeer *peer) |
455 | { |
456 | peer->timeout = NULL; |
457 | if(cancelled) |
458 | return; |
459 | freedcpeer(peer); |
460 | } |
461 | |
d3372da9 |
462 | static void sendadc(struct socket *sk, char *arg) |
463 | { |
464 | char *buf; |
465 | size_t bufsize, bufdata; |
466 | |
467 | buf = NULL; |
468 | bufsize = bufdata = 0; |
469 | addtobuf(buf, ' '); |
470 | for(; *arg; arg++) |
471 | { |
472 | if(*arg == ' ') |
473 | { |
474 | bufcat(buf, "\\s", 2); |
475 | } else if(*arg == '\n') { |
476 | bufcat(buf, "\\n", 2); |
477 | } else if(*arg == '\\') { |
478 | bufcat(buf, "\\\\", 2); |
479 | } else { |
480 | addtobuf(buf, *arg); |
481 | } |
482 | } |
483 | sockqueue(sk, buf, bufdata); |
484 | free(buf); |
485 | } |
486 | |
487 | static void sendadcf(struct socket *sk, char *arg, ...) |
488 | { |
489 | char *buf; |
490 | va_list args; |
491 | |
492 | va_start(args, arg); |
493 | buf = vsprintf2(arg, args); |
494 | va_end(args); |
495 | if(buf == NULL) |
496 | return; |
497 | sendadc(sk, buf); |
498 | free(buf); |
499 | } |
500 | |
501 | static char **parseadc(char *args) |
502 | { |
503 | char **retbuf; |
504 | size_t retbufsize, retbufdata; |
505 | char *buf; |
506 | size_t bufsize, bufdata; |
507 | int state; |
508 | |
509 | retbuf = NULL; |
510 | buf = NULL; |
511 | retbufsize = retbufdata = bufsize = bufdata = 0; |
512 | state = 0; |
513 | while(state != 3) |
514 | { |
515 | switch(state) |
516 | { |
517 | case 0: |
518 | if(*args == 0) |
519 | state = 3; |
520 | else if(*args != ' ') |
521 | state = 1; |
522 | break; |
523 | case 1: |
524 | if((*args == ' ') || (*args == 0)) |
525 | { |
526 | addtobuf(buf, 0); |
527 | addtobuf(retbuf, buf); |
528 | buf = NULL; |
529 | bufsize = bufdata = 0; |
530 | if(*args == 0) |
531 | state = 3; |
532 | } else if(*args == '\\') { |
533 | state = 2; |
534 | } else { |
535 | addtobuf(buf, *args); |
536 | } |
537 | args++; |
538 | break; |
539 | case 2: |
540 | if(*args == 0) |
541 | { |
542 | if(buf != NULL) |
543 | free(buf); |
544 | addtobuf(retbuf, NULL); |
545 | freeparr(retbuf); |
546 | return(NULL); |
f24d5cfb |
547 | } else if((*args == 's') || (*args == ' ')) { |
d3372da9 |
548 | addtobuf(buf, ' '); |
549 | } else if(*args == 'n') { |
550 | addtobuf(buf, '\n'); |
551 | } else if(*args == '\\') { |
552 | addtobuf(buf, '\\'); |
553 | } |
a478552c |
554 | args++; |
d3372da9 |
555 | state = 1; |
a478552c |
556 | break; |
d3372da9 |
557 | } |
558 | } |
559 | if(buf != NULL) |
560 | free(buf); |
561 | addtobuf(retbuf, NULL); |
562 | return(retbuf); |
563 | } |
564 | |
565 | /* Macros useful in command handlers */ |
566 | #define skipspace(s) ({if(((s) = strchr((s), ' ')) == NULL) return; else (s)++;}) |
567 | #define qstr(sk, str) sockqueue(sk, str, strlen(str)) |
568 | #define qstrf(sk, strandargs...) \ |
569 | do { \ |
570 | char *__buf__; \ |
571 | if((__buf__ = sprintf2(strandargs)) != NULL) { \ |
572 | sockqueue(sk, __buf__, strlen(__buf__)); \ |
573 | free(__buf__); \ |
574 | } \ |
575 | } while(0) |
576 | |
577 | static char *tr(char *str, char *trans) |
578 | { |
579 | char *p; |
580 | |
581 | for(; *trans; trans += 2) |
582 | { |
583 | for(p = strchr(str, trans[0]); p != NULL; p = strchr(p, trans[0])) |
584 | *p = trans[1]; |
585 | } |
586 | return(str); |
587 | } |
588 | |
9a2d6cb8 |
589 | static char *getadcid(struct dcpeer *peer) |
590 | { |
591 | char *buf; |
592 | char *ret; |
d57f938a |
593 | int isfilelist; |
9a2d6cb8 |
594 | |
2a157d1a |
595 | isfilelist = 0; |
d57f938a |
596 | if(!wcscmp(peer->transfer->path, L"files.xml") || !wcscmp(peer->transfer->path, L"files.xml.bz2") || !wcscmp(peer->transfer->path, L"MyList.DcLst")) |
597 | isfilelist = 1; |
598 | if(!isfilelist && (peer->transfer->hash != NULL) && isdchash(peer->transfer->hash) && supports(peer, "tthf")) |
9a2d6cb8 |
599 | { |
600 | buf = base32encode(peer->transfer->hash->buf, 24); |
601 | ret = sprintf2("TTH/%.39s", buf); |
602 | free(buf); |
603 | } else { |
604 | if((buf = icwcstombs(peer->transfer->path, "UTF-8")) == NULL) |
605 | return(NULL); |
606 | ret = pathnmdc2adc(buf); |
607 | free(buf); |
608 | } |
609 | return(ret); |
610 | } |
611 | |
612 | |
d3372da9 |
613 | static int trresumecb(struct transfer *transfer, wchar_t *cmd, wchar_t *arg, struct dcpeer *peer) |
614 | { |
615 | if(!wcscmp(cmd, L"resume")) |
616 | { |
617 | if(arg == NULL) |
618 | { |
619 | flog(LOG_WARNING, "filter returned no position for \"resume\" on transfer %i", transfer->id); |
620 | freedcpeer(peer); |
621 | } else { |
622 | transfer->curpos = wcstol(arg, NULL, 10); |
9a2d6cb8 |
623 | peer->hascurpos = 1; |
624 | requestfile(peer); |
d3372da9 |
625 | } |
d3372da9 |
626 | return(1); |
627 | } |
628 | return(0); |
629 | } |
630 | |
9a2d6cb8 |
631 | static void sendmynick(struct dcpeer *peer) |
d3372da9 |
632 | { |
1d85f24b |
633 | struct fnetnode *fn; |
d3372da9 |
634 | |
1d85f24b |
635 | fn = peer->fn; |
636 | if(fn == NULL) |
637 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 |
638 | else |
1d85f24b |
639 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(fn->mynick, peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 |
640 | } |
641 | |
642 | static void sendpeerlock(struct dcpeer *peer) |
643 | { |
1c4b02cd |
644 | if(peer->dcppemu) |
645 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|"); |
646 | else |
647 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION); |
9a2d6cb8 |
648 | } |
649 | |
650 | static void sendsupports(struct dcpeer *peer) |
651 | { |
1c4b02cd |
652 | if(peer->dcppemu) |
653 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |"); |
654 | else |
655 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG|"); |
9a2d6cb8 |
656 | } |
657 | |
658 | static void requestfile(struct dcpeer *peer) |
659 | { |
660 | char *buf; |
661 | |
662 | if(peer->transfer->size == -1) |
d3372da9 |
663 | { |
1d85f24b |
664 | /* Use DCCHARSET for $Get paths until further researched... */ |
9a2d6cb8 |
665 | if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL) |
d3372da9 |
666 | { |
9a2d6cb8 |
667 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
668 | freedcpeer(peer); |
d3372da9 |
669 | return; |
670 | } |
9a2d6cb8 |
671 | /* The transfer will be restarted later from |
672 | * cmd_filelength when it detects that the sizes |
673 | * don't match. */ |
674 | qstrf(peer->sk, "$Get %s$1|", buf); |
675 | return; |
d3372da9 |
676 | } |
9a2d6cb8 |
677 | if((peer->transfer->hash == NULL) && !peer->notthl) |
d3372da9 |
678 | { |
9a2d6cb8 |
679 | if(supports(peer, "adcget") && supports(peer, "tthl")) |
d3372da9 |
680 | { |
9a2d6cb8 |
681 | qstr(peer->sk, "$ADCGET"); |
682 | sendadc(peer->sk, "tthl"); |
683 | if((buf = getadcid(peer)) == NULL) |
d3372da9 |
684 | { |
9a2d6cb8 |
685 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
d3372da9 |
686 | freedcpeer(peer); |
687 | return; |
688 | } |
9a2d6cb8 |
689 | sendadc(peer->sk, buf); |
690 | free(buf); |
691 | sendadc(peer->sk, "0"); |
692 | sendadc(peer->sk, "-1"); |
693 | qstr(peer->sk, "|"); |
df873cd0 |
694 | peer->fetchingtthl = 1; |
9a2d6cb8 |
695 | return; |
696 | } |
697 | } |
698 | if(!peer->hascurpos) |
699 | { |
700 | if(forkfilter(peer->transfer)) |
701 | { |
702 | flog(LOG_WARNING, "could not fork filter for transfer %i: %s", peer->transfer->id, strerror(errno)); |
703 | freedcpeer(peer); |
704 | return; |
d3372da9 |
705 | } |
9a2d6cb8 |
706 | CBREG(peer->transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer); |
707 | return; |
708 | } |
709 | if(supports(peer, "adcget")) |
710 | { |
711 | qstr(peer->sk, "$ADCGET"); |
712 | sendadc(peer->sk, "file"); |
713 | if((buf = getadcid(peer)) == NULL) |
714 | { |
715 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
716 | freedcpeer(peer); |
717 | return; |
718 | } |
719 | sendadc(peer->sk, buf); |
720 | free(buf); |
721 | sendadcf(peer->sk, "%i", peer->transfer->curpos); |
722 | sendadcf(peer->sk, "%i", peer->transfer->size - peer->transfer->curpos); |
723 | qstr(peer->sk, "|"); |
724 | } else if(supports(peer, "xmlbzlist")) { |
725 | if((buf = icswcstombs(peer->transfer->path, "UTF-8", NULL)) == NULL) |
726 | { |
727 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
728 | freedcpeer(peer); |
729 | return; |
730 | } |
731 | qstrf(peer->sk, "$UGetBlock %i %i %s|", peer->transfer->curpos, peer->transfer->size - peer->transfer->curpos, buf); |
d3372da9 |
732 | } else { |
1d85f24b |
733 | /* Use DCCHARSET for $Get paths until further researched... */ |
9a2d6cb8 |
734 | if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL) |
d3372da9 |
735 | { |
9a2d6cb8 |
736 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
737 | freedcpeer(peer); |
738 | return; |
d3372da9 |
739 | } |
9a2d6cb8 |
740 | qstrf(peer->sk, "$Get %s$%i|", buf, peer->transfer->curpos + 1); |
d3372da9 |
741 | } |
742 | } |
743 | |
744 | static void sendmyinfo(struct socket *sk, struct fnetnode *fn) |
745 | { |
746 | struct dchub *hub; |
747 | char *buf; |
748 | struct fnetnode *cfn; |
69757b8c |
749 | int hn1, hn2, hn3; |
d3372da9 |
750 | |
751 | hub = fn->data; |
752 | qstrf(sk, "$MyINFO $ALL %s ", hub->nativenick); |
1d85f24b |
753 | buf = tr(icswcstombs(confgetstr("dc", "desc"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
754 | qstrf(sk, "%s", buf); |
69757b8c |
755 | hn1 = hn2 = hn3 = 0; |
d3372da9 |
756 | for(cfn = fnetnodes; cfn != NULL; cfn = cfn->next) |
757 | { |
758 | if((cfn->state == FNN_EST) || (cfn->state == FNN_HS)) |
69757b8c |
759 | { |
760 | if(cfn->regstatus == FNNS_OP) |
761 | hn3++; |
762 | else if(cfn->regstatus == FNNS_REG) |
763 | hn2++; |
764 | else |
765 | hn1++; |
766 | } |
d3372da9 |
767 | } |
69757b8c |
768 | qstrf(sk, "<%s V:%s,M:%c,H:%i/%i/%i,S:%i>", |
1c4b02cd |
769 | (hub->dcppemu)?"++":"Dolda", |
770 | (hub->dcppemu)?"0.674":VERSION, |
d3372da9 |
771 | (tcpsock == NULL)?'P':'A', |
69757b8c |
772 | hn1, hn2, hn3, |
d3372da9 |
773 | confgetint("transfer", "slots") |
774 | ); |
775 | qstrf(sk, "$ $"); |
1d85f24b |
776 | buf = tr(icswcstombs(confgetstr("dc", "speedstring"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
777 | qstrf(sk, "%s\x01$", buf); |
1d85f24b |
778 | buf = tr(icswcstombs(confgetstr("dc", "email"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 |
779 | qstrf(sk, "%s$", buf); |
780 | qstrf(sk, "%llu$|", sharesize); |
781 | } |
782 | |
783 | static void hubhandleaction(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
784 | { |
785 | struct dchub *hub; |
786 | |
787 | hub = fn->data; |
788 | if(!strcmp(cmd, "$Lock")) |
789 | { |
790 | qstrf(sk, "$ValidateNick %s|", hub->nativenick); |
791 | } else if(!strcmp(cmd, "$Hello")) { |
792 | if(fn->state == FNN_HS) |
793 | { |
794 | qstrf(sk, "$Version 1,0091|"); |
795 | qstrf(sk, "$GetNickList|"); |
796 | sendmyinfo(sk, fn); |
797 | fnetsetstate(fn, FNN_EST); |
798 | } else { |
799 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); |
800 | } |
801 | } |
802 | } |
803 | |
804 | static void cmd_lock(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
805 | { |
806 | struct dchub *hub; |
807 | char *key; |
808 | char *p; |
809 | |
810 | hub = fn->data; |
811 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) |
812 | hub->extended = 1; |
813 | if((p = strchr(args, ' ')) != NULL) |
814 | *(p++) = 0; |
815 | if(hub->extended) |
816 | { |
1c4b02cd |
817 | if(hub->dcppemu) |
818 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock |"); |
819 | else |
820 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock|"); |
d3372da9 |
821 | } |
822 | key = dcmakekey(args); |
823 | qstrf(sk, "$Key %s|", key); |
824 | free(key); |
825 | hubhandleaction(sk, fn, cmd, args); |
826 | } |
827 | |
828 | static void cmd_hubname(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
829 | { |
830 | wchar_t *buf; |
831 | struct dchub *hub; |
832 | |
833 | hub = fn->data; |
834 | if(hub->nativename == NULL) |
835 | free(hub->nativename); |
836 | hub->nativename = sstrdup(args); |
1d85f24b |
837 | buf = icmbstowcs(args, hub->charset); |
d3372da9 |
838 | fnetsetname(fn, (buf == NULL)?L"Hubname conv error":buf); |
839 | if(buf != NULL) |
840 | free(buf); |
841 | hubhandleaction(sk, fn, cmd, args); |
842 | } |
843 | |
844 | static void cmd_hello(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
845 | { |
846 | wchar_t *nick; |
847 | struct dchub *hub; |
848 | |
849 | hub = fn->data; |
1d85f24b |
850 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 |
851 | return; |
852 | if(strcmp(args, hub->nativenick) && (fnetfindpeer(fn, nick) == NULL)) |
853 | fnetaddpeer(fn, nick, nick); |
854 | free(nick); |
855 | hubhandleaction(sk, fn, cmd, args); |
856 | } |
857 | |
858 | static void cmd_quit(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
859 | { |
860 | wchar_t *nick; |
861 | struct fnetpeer *peer; |
862 | struct dchub *hub; |
863 | |
864 | hub = fn->data; |
1d85f24b |
865 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 |
866 | return; |
867 | if((peer = fnetfindpeer(fn, nick)) != NULL) |
868 | fnetdelpeer(peer); |
869 | free(nick); |
870 | hubhandleaction(sk, fn, cmd, args); |
871 | } |
872 | |
873 | static void cmd_nicklist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
874 | { |
875 | struct dchub *hub; |
876 | char *p; |
877 | wchar_t *buf; |
878 | struct fnetpeer *peer, *npeer; |
879 | |
880 | hub = fn->data; |
881 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
882 | peer->flags.b.delete = 1; |
883 | while((p = strstr(args, "$$")) != NULL) |
884 | { |
885 | *p = 0; |
1d85f24b |
886 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 |
887 | { |
888 | if((peer = fnetfindpeer(fn, buf)) == NULL) |
889 | peer = fnetaddpeer(fn, buf, buf); |
890 | else |
891 | peer->flags.b.delete = 0; |
892 | free(buf); |
893 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); |
894 | } |
895 | args = p + 2; |
896 | } |
897 | for(peer = fn->peers; peer != NULL; peer = npeer) |
898 | { |
899 | npeer = peer->next; |
900 | if(peer->flags.b.delete) |
901 | fnetdelpeer(peer); |
902 | } |
903 | hubhandleaction(sk, fn, cmd, args); |
904 | } |
905 | |
906 | static void cmd_oplist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
907 | { |
908 | struct dchub *hub; |
909 | char *p; |
910 | wchar_t *buf; |
911 | struct fnetpeer *peer; |
912 | |
913 | hub = fn->data; |
914 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
915 | peer->flags.b.op = 0; |
916 | while((p = strstr(args, "$$")) != NULL) |
917 | { |
918 | *p = 0; |
1d85f24b |
919 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 |
920 | { |
921 | if((peer = fnetfindpeer(fn, buf)) != NULL) |
922 | peer->flags.b.op = 1; |
923 | free(buf); |
924 | } |
925 | args = p + 2; |
926 | } |
927 | hubhandleaction(sk, fn, cmd, args); |
928 | } |
929 | |
930 | static void cmd_myinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
931 | { |
932 | char *p, *p2; |
933 | wchar_t *buf, *wp, *wp2; |
934 | wchar_t abuf[10]; |
935 | struct fnetpeer *peer; |
936 | struct dchub *hub; |
937 | |
938 | hub = fn->data; |
939 | p = args; |
940 | if(strncmp(p, "$ALL ", 5)) |
941 | return; |
942 | p += 5; |
943 | if((p2 = strchr(p, ' ')) == NULL) |
944 | return; |
945 | *p2 = 0; |
1d85f24b |
946 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
947 | return; |
948 | if((peer = fnetfindpeer(fn, buf)) == NULL) |
949 | peer = fnetaddpeer(fn, buf, buf); |
950 | free(buf); |
951 | p = p2 + 1; |
952 | if((p2 = strstr(p, "$ $")) == NULL) |
953 | return; |
954 | *p2 = 0; |
1d85f24b |
955 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
956 | return; |
316e9a13 |
957 | if((wcslen(buf) > 0) && (buf[wcslen(buf) - 1] == L'>') && ((wp = wcsrchr(buf, L'<')) != NULL)) |
d3372da9 |
958 | { |
959 | buf[wcslen(buf) - 1] = L'\0'; |
960 | *(wp++) = L'\0'; |
961 | if((wp2 = wcschr(wp, L' ')) != NULL) |
962 | { |
963 | *(wp2++) = L'\0'; |
964 | fnetpeersetstr(peer, L"dc-client", wp); |
965 | wp = wp2; |
966 | do |
967 | { |
968 | if((wp2 = wcschr(wp, L',')) != NULL) |
969 | *(wp2++) = L'\0'; |
970 | if(wp[1] != L':') |
971 | continue; |
972 | swprintf(abuf, 10, L"dc-tag-%lc", wp[0]); |
973 | fnetpeersetstr(peer, abuf, wp + 2); |
974 | wp = wp2; |
975 | } while(wp2 != NULL); |
976 | } |
977 | } |
978 | fnetpeersetstr(peer, L"descr", buf); |
979 | free(buf); |
980 | p = p2 + 3; |
981 | if((p2 = strchr(p, '$')) == NULL) |
982 | return; |
983 | *(p2 - 1) = 0; |
1d85f24b |
984 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
985 | return; |
986 | fnetpeersetstr(peer, L"dc-speed", buf); |
987 | free(buf); |
988 | p = p2 + 1; |
989 | if((p2 = strchr(p, '$')) == NULL) |
990 | return; |
991 | *p2 = 0; |
1d85f24b |
992 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 |
993 | return; |
994 | fnetpeersetstr(peer, L"email", buf); |
995 | free(buf); |
996 | p = p2 + 1; |
997 | if(strlen(p) < 1) |
998 | return; |
999 | fnetpeersetlnum(peer, L"share", strtoll(p, NULL, 10)); |
1000 | hubhandleaction(sk, fn, cmd, args); |
1001 | } |
1002 | |
1003 | /* I do not implement the fully in that I do not disconnect from the |
1004 | * old hub. I do this since I believe that if the hub owner really |
1005 | * wants to get rid of us, then it is his responsibility to disconnect |
1006 | * us. */ |
1007 | static void cmd_forcemove(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1008 | { |
1009 | struct dchub *hub; |
1010 | struct fnetnode *newfn; |
1011 | int freeargs; |
1012 | |
1013 | hub = fn->data; |
1014 | if(strchr(args, ':') == NULL) |
1015 | { |
1016 | args = strcpy(smalloc(strlen(args) + 5), args); |
1017 | strcat(args, ":411"); |
1018 | freeargs = 1; |
1019 | } else { |
1020 | freeargs = 0; |
1021 | } |
a3a4a3a7 |
1022 | if((newfn = fnetinitconnect(L"dc", fn->owner, args, NULL)) != NULL) |
d3372da9 |
1023 | { |
1024 | linkfnetnode(newfn); |
1025 | putfnetnode(newfn); |
1026 | } |
1027 | hubhandleaction(sk, fn, cmd, args); |
1028 | if(freeargs) |
1029 | free(args); |
1030 | } |
1031 | |
1d85f24b |
1032 | static char *getdcpath(struct sharecache *node, size_t *retlen, char *charset) |
d3372da9 |
1033 | { |
1034 | char *buf, *buf2; |
1035 | size_t len, len2; |
1036 | |
1037 | if(node->parent == NULL) |
1038 | return(NULL); |
1039 | if(node->parent == shareroot) |
1040 | { |
1d85f24b |
1041 | if((buf = icwcstombs(node->name, charset)) == NULL) |
d3372da9 |
1042 | return(NULL); |
1043 | if(retlen != NULL) |
1044 | *retlen = strlen(buf); |
1045 | return(buf); |
1046 | } else { |
1d85f24b |
1047 | if((buf2 = icwcstombs(node->name, charset)) == NULL) |
d3372da9 |
1048 | return(NULL); |
1d85f24b |
1049 | if((buf = getdcpath(node->parent, &len, charset)) == NULL) |
d3372da9 |
1050 | { |
1051 | free(buf2); |
1052 | return(NULL); |
1053 | } |
1054 | len2 = strlen(buf2); |
1055 | buf = srealloc(buf, len + 1 + len2 + 1); |
1056 | buf[len++] = '\\'; |
1057 | strcpy(buf + len, buf2); |
1058 | buf[len + len2] = 0; |
1059 | free(buf2); |
1060 | if(retlen != NULL) |
1061 | *retlen = len + len2; |
1062 | return(buf); |
1063 | } |
1064 | } |
1065 | |
1066 | /* |
1067 | * This is the main share searching function for Direct Connect |
1068 | * peers. Feel free to optimize it if you feel the need for it. I |
1069 | * haven't ever seen it take any noticable CPU time anyway, so I |
1070 | * haven't felt that need. |
1071 | * |
1072 | * It may feel dubious to just return the directory when all terms are |
1073 | * satisfied rather than all the files in it, but it really benefits |
1074 | * everyone: Less cycles used for us, less UDP squelching for active |
1075 | * searchers, and less bandwidth waste for hubs when serving passive |
1076 | * searchers. |
1077 | */ |
1078 | static void cmd_search(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1079 | { |
1080 | int i, done; |
1081 | struct dchub *hub; |
1082 | char *p, *p2; |
1083 | char *prefix, *infix, *postfix, *buf, *buf2; |
1084 | struct socket *dsk; |
1085 | struct sockaddr_in addr; |
1086 | struct sharecache *node; |
1087 | int minsize, maxsize; |
c7185019 |
1088 | int dotth; |
1089 | size_t buflen; |
d3372da9 |
1090 | int termnum, satisfied, skipcheck; |
1091 | int level, tersat[32]; |
1092 | wchar_t *terms[32]; |
1093 | char hashtth[24]; |
1094 | |
1095 | hub = fn->data; |
1096 | if((p = strchr(args, ' ')) == NULL) |
1097 | return; |
1098 | *(p++) = 0; |
1099 | |
1100 | memset(terms, 0, sizeof(terms)); |
1101 | prefix = infix = postfix = NULL; |
1102 | dsk = NULL; |
1103 | dotth = 0; |
1104 | |
1105 | if(!strncmp(args, "Hub:", 4)) |
1106 | { |
1107 | if(!strcmp(cmd, "$MultiSearch")) |
1108 | goto out; |
1109 | if(!strcmp(args + 4, hub->nativenick)) |
1110 | goto out; |
1111 | prefix = sprintf2("$SR %s ", hub->nativenick); |
1112 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); |
1113 | postfix = sprintf2(" (%s)\005%s|", formataddress(fn->sk->remote, fn->sk->remotelen), args + 4); |
1114 | dsk = sk; |
1115 | getsock(dsk); |
1116 | } else { |
1117 | if((p2 = strchr(args, ':')) == NULL) |
1118 | goto out; |
1119 | *(p2++) = 0; |
1120 | addr.sin_family = AF_INET; |
1121 | if(!inet_aton(args, &addr.sin_addr)) |
1122 | goto out; |
1123 | addr.sin_port = htons(atoi(p2)); |
1124 | prefix = sprintf2("$SR %s ", hub->nativenick); |
1125 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); |
1126 | postfix = sprintf2(" (%s)|", formataddress(fn->sk->remote, fn->sk->remotelen)); |
1127 | netdgramconn(dsk = netdupsock(udpsock), (struct sockaddr *)&addr, sizeof(addr)); |
1128 | } |
1129 | |
1130 | minsize = maxsize = -1; |
1131 | if(*p == 0) |
1132 | goto out; |
1133 | if(*(p++) == 'T') |
1134 | minsize = 0; |
1135 | if(*(p++) != '?') |
1136 | goto out; |
1137 | if(*p == 0) |
1138 | goto out; |
9d8cf743 |
1139 | if((*(p++) == 'T') && (minsize == 0)) |
d3372da9 |
1140 | { |
1141 | maxsize = 0; |
1142 | minsize = -1; |
1143 | } |
1144 | if(*(p++) != '?') |
1145 | goto out; |
1146 | if((p2 = strchr(p, '?')) == NULL) |
1147 | goto out; |
1148 | *(p2++) = 0; |
1149 | if(minsize == 0) |
1150 | minsize = atoi(p); |
1151 | if(maxsize == 0) |
1152 | maxsize = atoi(p); |
1153 | p = p2 + 1; |
1154 | if(*(p++) != '?') |
1155 | goto out; |
1156 | termnum = 0; |
1157 | p2 = p; |
1158 | done = 0; |
1159 | while(!done) |
1160 | { |
1161 | if((*p2 == 0) || (*p2 == '$')) |
1162 | { |
1163 | if(*p2 == 0) |
1164 | done = 1; |
1165 | else |
1166 | *p2 = 0; |
1167 | if(*p) |
1168 | { |
1169 | if(!dotth && !strncmp(p, "TTH:", 4)) |
1170 | { |
1171 | dotth = 1; |
2dd01e6e |
1172 | if(((buf = base32decode(p + 4, &buflen)) == NULL) || (buflen != 24)) |
1173 | { |
1174 | free(buf); |
d3372da9 |
1175 | goto out; |
2dd01e6e |
1176 | } |
d3372da9 |
1177 | memcpy(hashtth, buf, 24); |
1178 | free(buf); |
1179 | } else { |
1d85f24b |
1180 | if((terms[termnum] = icmbstowcs(p, hub->charset)) != NULL) |
d3372da9 |
1181 | termnum++; |
1182 | } |
1183 | } |
1184 | p = p2 + 1; |
1185 | if(termnum == 32) |
1186 | break; |
1187 | } |
1188 | p2++; |
1189 | } |
1190 | |
1191 | node = shareroot->child; |
1192 | level = 0; |
1193 | for(i = 0; i < termnum; i++) |
1194 | tersat[i] = -1; |
1195 | satisfied = 0; |
1196 | while(1) |
1197 | { |
1198 | skipcheck = 0; |
1199 | if(node->f.b.type == FILE_REG) |
1200 | { |
1201 | if((minsize >= 0) && (node->size < minsize)) |
1202 | skipcheck = 1; |
1203 | if((maxsize >= 0) && (node->size > maxsize)) |
1204 | skipcheck = 1; |
1205 | } |
1206 | if(!skipcheck && dotth) |
1207 | { |
1208 | if((node->f.b.type != FILE_REG) || (node->f.b.hastth && memcmp(hashtth, node->hashtth, 24))) |
1209 | skipcheck = 1; |
1210 | } |
1211 | if(!skipcheck) |
1212 | { |
1213 | for(i = 0; i < termnum; i++) |
1214 | { |
1215 | if(tersat[i] >= 0) |
1216 | continue; |
1217 | if(wcsexists(node->name, terms[i])) |
1218 | { |
1219 | tersat[i] = level; |
1220 | satisfied++; |
1221 | } else if(node->child == NULL) { |
1222 | break; |
1223 | } |
1224 | } |
1225 | } |
1226 | if(!skipcheck && (satisfied == termnum)) |
1227 | { |
1d85f24b |
1228 | /* Use DCCHARSET in $Get paths until further researched... */ |
1229 | if((buf = getdcpath(node, NULL, DCCHARSET)) != NULL) |
d3372da9 |
1230 | { |
1231 | if(node->f.b.hastth) |
1232 | { |
1233 | buf2 = base32encode(node->hashtth, 24); |
1234 | qstrf(dsk, "%s%s\005%i%sTTH:%.39s%s", prefix, buf, node->size, infix, buf2, postfix); |
1235 | free(buf2); |
1236 | } else { |
1237 | qstrf(dsk, "%s%s\005%i%s%s%s", prefix, buf, node->size, infix, hub->nativename, postfix); |
1238 | } |
1239 | free(buf); |
1240 | } |
1241 | } |
1242 | if((!skipcheck && (satisfied == termnum)) || (node->child == NULL)) |
1243 | { |
1244 | while(node->next == NULL) |
1245 | { |
1246 | if((node = node->parent) == shareroot) |
1247 | break; |
1248 | level--; |
1249 | } |
1250 | if(node == shareroot) |
1251 | break; |
1252 | for(i = 0; i < termnum; i++) |
1253 | { |
1254 | if(tersat[i] >= level) |
1255 | { |
1256 | tersat[i] = -1; |
1257 | satisfied--; |
1258 | } |
1259 | } |
1260 | node = node->next; |
1261 | } else { |
1262 | node = node->child; |
1263 | level++; |
1264 | } |
1265 | } |
1266 | |
1267 | hubhandleaction(sk, fn, cmd, args); |
1268 | |
1269 | out: |
1270 | if(dsk != NULL) |
1271 | putsock(dsk); |
1272 | if(prefix != NULL) |
1273 | free(prefix); |
1274 | if(infix != NULL) |
1275 | free(infix); |
1276 | if(postfix != NULL) |
1277 | free(postfix); |
1278 | for(i = 0; (i < 32) && (terms[i] != NULL); i++) |
1279 | free(terms[i]); |
1280 | } |
1281 | |
1282 | static void cmd_connecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1283 | { |
1284 | char *p; |
1285 | struct dchub *hub; |
1286 | struct socket *newsk; |
1287 | struct sockaddr_in addr; |
1288 | |
1289 | hub = fn->data; |
1290 | if((p = strchr(args, ' ')) == NULL) |
1291 | return; |
1292 | *(p++) = 0; |
1293 | if(strcmp(args, hub->nativenick)) |
1294 | return; |
1295 | addr.sin_family = AF_INET; |
1296 | args = p; |
1297 | if((p = strchr(args, ':')) == NULL) |
1298 | return; |
1299 | *(p++) = 0; |
1300 | addr.sin_port = htons(atoi(p)); |
1301 | if(!inet_aton(args, &addr.sin_addr)) |
1302 | return; |
1303 | newsk = netcsconn((struct sockaddr *)&addr, sizeof(addr), (void (*)(struct socket *, int, void *))peerconnect, fn); |
1304 | getfnetnode(fn); |
1305 | hubhandleaction(sk, fn, cmd, args); |
1306 | } |
1307 | |
1308 | static void sendctm(struct socket *sk, char *nick) |
1309 | { |
1310 | struct sockaddr *addr; |
1311 | socklen_t addrlen; |
1312 | |
1313 | if(tcpsock == NULL) |
1314 | return; |
9b5acc18 |
1315 | if(sockgetremotename2(tcpsock, sk, &addr, &addrlen) < 0) |
d3372da9 |
1316 | return; |
1317 | if(addr->sa_family == AF_INET) |
1318 | qstrf(sk, "$ConnectToMe %s %s|", nick, formataddress(addr, addrlen)); |
1319 | else |
1320 | flog(LOG_WARNING, "Direct Connect TCP socket is suddenly not AF_INET, but %i", addr->sa_family); |
1321 | free(addr); |
1322 | } |
1323 | |
1324 | static void cmd_revconnecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1325 | { |
1326 | struct dchub *hub; |
1327 | char *p; |
1328 | |
1329 | hub = fn->data; |
1330 | if((p = strchr(args, ' ')) == NULL) |
1331 | return; |
1332 | *(p++) = 0; |
1333 | if(strcmp(p, hub->nativenick)) |
1334 | return; |
1335 | sendctm(sk, args); |
1336 | expectpeer(args, fn); |
1337 | hubhandleaction(sk, fn, cmd, args); |
1338 | } |
1339 | |
1340 | static void cmd_getnetinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1341 | { |
1342 | struct dchub *hub; |
1343 | struct fnetnode *node; |
1344 | int numhubs; |
1345 | |
1346 | hub = fn->data; |
1347 | numhubs = 0; |
1348 | for(node = fnetnodes; node != NULL; node = node->next) |
1349 | { |
1350 | if(node->state == FNN_EST) |
1351 | numhubs++; |
1352 | } |
1353 | qstrf(sk, "$NetInfo %i$%i$%c$0|", confgetint("transfer", "slots"), numhubs, (tcpsock == NULL)?'P':'A'); |
1354 | hubhandleaction(sk, fn, cmd, args); |
1355 | } |
1356 | |
1357 | static void cmd_to(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1358 | { |
1359 | struct dchub *hub; |
1360 | char *p, *p2; |
1361 | |
1362 | hub = fn->data; |
1363 | p = args; |
1364 | if((p2 = strchr(p, ' ')) == NULL) |
1365 | return; |
1366 | *(p2++) = 0; |
1367 | p = p2; |
1368 | if((p2 = strchr(p, ' ')) == NULL) |
1369 | return; |
1370 | *(p2++) = 0; |
1371 | if(strcmp(p, "From:")) |
1372 | return; |
1373 | p = p2; |
1374 | if((p2 = strstr(p, " $")) == NULL) |
1375 | return; |
1376 | *p2 = 0; |
1377 | p2 += 2; |
1378 | hubrecvchat(fn->sk, fn, p, p2); |
1379 | hubhandleaction(sk, fn, cmd, args); |
1380 | } |
1381 | |
1382 | static void cmd_sr(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1383 | { |
1384 | struct dchub *hub; |
d86b7a9f |
1385 | char *p, *p2, *buf; |
d3372da9 |
1386 | char *nick, *filename, *hubname; |
1387 | int size, slots; |
d86b7a9f |
1388 | size_t buflen; |
d3372da9 |
1389 | struct srchres *sr; |
1390 | wchar_t *wnick, *wfile; |
1391 | |
1392 | hub = fn->data; |
1393 | nick = p = args; |
1394 | if((p2 = strchr(p, ' ')) == NULL) |
1395 | return; |
1396 | *p2 = 0; |
1397 | p = p2 + 1; |
1398 | filename = p; |
1399 | if((p2 = strchr(p, 5)) == NULL) |
1400 | return; |
1401 | *p2 = 0; |
1402 | p = p2 + 1; |
1403 | if((p2 = strchr(p, ' ')) == NULL) |
1404 | return; |
1405 | *p2 = 0; |
1406 | size = atoi(p); |
1407 | p = p2 + 1; |
1408 | if((p2 = strchr(p, '/')) == NULL) |
1409 | return; |
1410 | *p2 = 0; |
1411 | slots = atoi(p); |
1412 | p = p2 + 1; |
1413 | if((p2 = strchr(p, 5)) == NULL) |
1414 | return; |
1415 | p = p2 + 1; |
1416 | hubname = p; |
1417 | if((p2 = strstr(p, " (")) == NULL) |
1418 | return; |
1419 | *p2 = 0; |
1d85f24b |
1420 | if((wnick = icmbstowcs(nick, hub->charset)) == NULL) |
d3372da9 |
1421 | return; |
1d85f24b |
1422 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1423 | if((wfile = icmbstowcs(filename, DCCHARSET)) == NULL) |
1424 | { |
1425 | free(wnick); |
1426 | return; |
1427 | } |
1428 | sr = newsrchres(&dcnet, wfile, wnick); |
1429 | if(sr->peernick != NULL) |
1430 | free(sr->peernick); |
1431 | sr->peernick = swcsdup(wnick); |
1432 | sr->size = size; |
1433 | sr->slots = slots; |
1434 | free(wfile); |
1435 | free(wnick); |
d86b7a9f |
1436 | if(!strncmp(hubname, "TTH:", 4)) |
1437 | { |
1438 | if((buf = base32decode(hubname + 4, &buflen)) != NULL) |
1439 | { |
1440 | if(buflen == 24) |
1441 | sr->hash = newhash(L"TTH", 24, buf); |
1442 | free(buf); |
1443 | } |
1444 | } |
d3372da9 |
1445 | getfnetnode(sr->fn = fn); |
1446 | submitsrchres(sr); |
1447 | freesrchres(sr); |
1448 | hubhandleaction(sk, fn, cmd, args); |
1449 | } |
1450 | |
1451 | static void cmd_usercommand(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1452 | { |
1453 | /* Do nothing for now. */ |
1454 | } |
1455 | |
48509089 |
1456 | static void cmd_getpass(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1457 | { |
1458 | struct dchub *hub; |
1c4b02cd |
1459 | wchar_t *pw; |
48509089 |
1460 | char *mbspw; |
1461 | |
1462 | hub = fn->data; |
1c4b02cd |
1463 | pw = wpfind(fn->args, L"password"); |
1d85f24b |
1464 | if((pw == NULL) || ((mbspw = icwcstombs(pw, hub->charset)) == NULL)) |
48509089 |
1465 | { |
1466 | killfnetnode(fn); |
1467 | return; |
1468 | } |
1469 | qstrf(sk, "$MyPass %s|", mbspw); |
1470 | free(mbspw); |
fcd0627b |
1471 | fn->regstatus = FNNS_REG; |
48509089 |
1472 | hubhandleaction(sk, fn, cmd, args); |
1473 | } |
1474 | |
c9b3ad74 |
1475 | static void cmd_logedin(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1476 | { |
1477 | struct dchub *hub; |
1478 | |
1479 | hub = fn->data; |
fcd0627b |
1480 | fn->regstatus = FNNS_OP; |
c9b3ad74 |
1481 | hubhandleaction(sk, fn, cmd, args); |
1482 | } |
1483 | |
d3372da9 |
1484 | static void cmd_mynick(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1485 | { |
9a2d6cb8 |
1486 | struct dcexppeer *expect; |
1c4b02cd |
1487 | struct dchub *hub; |
9a2d6cb8 |
1488 | |
d3372da9 |
1489 | if(peer->nativename != NULL) |
1490 | free(peer->nativename); |
1491 | peer->nativename = sstrdup(args); |
1492 | if(peer->wcsname != NULL) |
1493 | free(peer->wcsname); |
1d85f24b |
1494 | if((peer->wcsname = icmbstowcs(peer->nativename, peer->charset)) == NULL) |
d3372da9 |
1495 | { |
1496 | freedcpeer(peer); |
1497 | return; |
1498 | } |
9a2d6cb8 |
1499 | if(peer->accepted) |
1500 | { |
1501 | for(expect = expected; expect != NULL; expect = expect->next) |
1502 | { |
1503 | if(!strcmp(expect->nick, args)) |
1504 | break; |
1505 | } |
1506 | if(expect == NULL) |
1507 | { |
1508 | peer->fn = NULL; |
1509 | } else { |
1c4b02cd |
1510 | hub = expect->fn->data; |
9a2d6cb8 |
1511 | peer->fn = expect->fn; |
1512 | getfnetnode(peer->fn); |
1c4b02cd |
1513 | peer->dcppemu = hub->dcppemu; |
9a2d6cb8 |
1514 | freeexppeer(expect); |
1515 | } |
1516 | } |
d3372da9 |
1517 | } |
1518 | |
1519 | static void cmd_direction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1520 | { |
1521 | char *p; |
9a2d6cb8 |
1522 | int mydir; |
1523 | struct transfer *transfer; |
d3372da9 |
1524 | |
1525 | if((p = strchr(args, ' ')) == NULL) |
1526 | return; |
1527 | *p = 0; |
1528 | if(!strcmp(args, "Upload")) |
9a2d6cb8 |
1529 | mydir = TRNSD_DOWN; |
d3372da9 |
1530 | if(!strcmp(args, "Download")) |
9a2d6cb8 |
1531 | mydir = TRNSD_UP; |
1532 | if(peer->accepted) |
1533 | { |
1534 | if((peer->transfer == NULL) || (mydir != peer->direction)) |
1535 | { |
1536 | freedcpeer(peer); |
1537 | return; |
1538 | } |
1b14d3d8 |
1539 | if(peer->direction == TRNSD_DOWN) |
1540 | requestfile(peer); |
9a2d6cb8 |
1541 | } else { |
1542 | if(peer->wcsname == NULL) |
1543 | { |
1544 | freedcpeer(peer); |
1545 | return; |
1546 | } |
1547 | peer->direction = mydir; |
1548 | if(peer->direction == TRNSD_UP) |
1549 | { |
01663fd9 |
1550 | if(confgetint("transfer", "ulquota") && hasupload(&dcnet, peer->wcsname)) |
1551 | { |
1552 | freedcpeer(peer); |
1553 | return; |
1554 | } |
9a2d6cb8 |
1555 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1556 | } else { |
1557 | if((transfer = finddownload(peer->wcsname)) == NULL) |
1558 | { |
1559 | freedcpeer(peer); |
1560 | return; |
1561 | } |
1562 | transferattach(transfer, &dctransfer, peer); |
1563 | transfersetstate(transfer, TRNS_HS); |
1564 | } |
1565 | transfersetnick(transfer, peer->wcsname); |
1566 | peer->transfer = transfer; |
1567 | if(peer->extended) |
1568 | sendsupports(peer); |
1569 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1570 | if(peer->key != NULL) |
1571 | qstrf(sk, "$Key %s|", peer->key); |
1572 | if(peer->direction == TRNSD_DOWN) |
1573 | requestfile(peer); |
1574 | } |
d3372da9 |
1575 | } |
1576 | |
1577 | static void cmd_peerlock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1578 | { |
9a2d6cb8 |
1579 | char *p, *key; |
1580 | struct transfer *transfer; |
d3372da9 |
1581 | |
1582 | if((p = strchr(args, ' ')) == NULL) |
1583 | return; |
1584 | *p = 0; |
1585 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) |
1586 | peer->extended = 1; |
9a2d6cb8 |
1587 | key = dcmakekey(args); |
1588 | if(peer->accepted) |
1589 | { |
1590 | if(peer->wcsname == NULL) |
1591 | { |
1592 | freedcpeer(peer); |
1593 | return; |
1594 | } |
1595 | sendmynick(peer); |
1596 | sendpeerlock(peer); |
1597 | if(peer->extended) |
1598 | sendsupports(peer); |
1599 | if((transfer = finddownload(peer->wcsname)) == NULL) |
1600 | { |
01663fd9 |
1601 | if(confgetint("transfer", "ulquota") && hasupload(&dcnet, peer->wcsname)) |
1602 | { |
1603 | freedcpeer(peer); |
1604 | return; |
1605 | } |
9a2d6cb8 |
1606 | peer->direction = TRNSD_UP; |
1607 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer); |
1608 | } else { |
1609 | peer->direction = TRNSD_DOWN; |
1610 | transferattach(transfer, &dctransfer, peer); |
1611 | transfersetstate(transfer, TRNS_HS); |
1612 | } |
1613 | transfersetnick(transfer, peer->wcsname); |
1614 | peer->transfer = transfer; |
1615 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1616 | qstrf(sk, "$Key %s|", key); |
62da2712 |
1617 | free(key); |
9a2d6cb8 |
1618 | } else { |
1619 | if(peer->key != NULL) |
1620 | free(peer->key); |
1621 | peer->key = key; |
1622 | } |
d3372da9 |
1623 | } |
1624 | |
1625 | static void cmd_key(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1626 | { |
9a2d6cb8 |
1627 | /* NOP */ |
1628 | } |
1629 | |
1630 | static void startdl(struct dcpeer *peer) |
1631 | { |
1e9d82b1 |
1632 | if(peer->timeout != NULL) |
1633 | canceltimer(peer->timeout); |
9a2d6cb8 |
1634 | peer->state = PEER_TRNS; |
1635 | transferstartdl(peer->transfer, peer->sk); |
1636 | peer->sk->readcb = (void (*)(struct socket *, void *))transread; |
1637 | peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr; |
1638 | } |
1639 | |
1640 | static void startul(struct dcpeer *peer) |
1641 | { |
1e9d82b1 |
1642 | if(peer->timeout != NULL) |
1643 | canceltimer(peer->timeout); |
9a2d6cb8 |
1644 | peer->state = PEER_TRNS; |
1645 | transferstartul(peer->transfer, peer->sk); |
1646 | peer->sk->writecb = (void (*)(struct socket *, void *))transwrite; |
d3372da9 |
1647 | } |
1648 | |
1649 | static void cmd_filelength(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1650 | { |
1651 | int size; |
1fc81821 |
1652 | struct transfer *transfer; |
d3372da9 |
1653 | |
1654 | if(peer->transfer == NULL) |
1655 | { |
1656 | freedcpeer(peer); |
1657 | return; |
1658 | } |
1659 | size = atoi(args); |
9a2d6cb8 |
1660 | if(peer->transfer->size != size) |
d3372da9 |
1661 | { |
d3372da9 |
1662 | transfersetsize(peer->transfer, size); |
1fc81821 |
1663 | transfer = peer->transfer; |
d3372da9 |
1664 | freedcpeer(peer); |
1fc81821 |
1665 | trytransferbypeer(transfer->fnet, transfer->peerid); |
d3372da9 |
1666 | return; |
1667 | } |
9a2d6cb8 |
1668 | startdl(peer); |
1669 | qstr(peer->sk, "$Send|"); |
d3372da9 |
1670 | } |
1671 | |
1672 | static void cmd_error(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1673 | { |
df873cd0 |
1674 | if(peer->fetchingtthl) |
1675 | { |
1676 | peer->fetchingtthl = 0; |
1677 | peer->notthl = 1; |
1678 | requestfile(peer); |
1679 | return; |
1680 | } |
d3372da9 |
1681 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1682 | { |
1683 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
1684 | resettransfer(peer->transfer); |
1685 | return; |
1686 | } |
1687 | freedcpeer(peer); |
1688 | } |
1689 | |
1690 | static void cmd_maxedout(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1691 | { |
1692 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1693 | { |
1694 | transferseterror(peer->transfer, TRNSE_NOSLOTS); |
1695 | resettransfer(peer->transfer); |
1696 | return; |
1697 | } |
1698 | freedcpeer(peer); |
1699 | } |
1700 | |
1701 | static struct |
1702 | { |
1703 | char *name; |
1704 | char **file; |
1705 | void (*func)(void); |
1706 | } lists[] = |
1707 | { |
1708 | {"MyList.DcLst", &hmlistname, updatehmlist}, |
1709 | {"files.xml", &xmllistname, updatexmllist}, |
1710 | {"files.xml.bz2", &xmlbz2listname, updatexmlbz2list}, |
1711 | {NULL, NULL} |
1712 | }; |
1713 | |
1714 | static int openfilelist(char *name) |
1715 | { |
1716 | int i, fd; |
1717 | int errnobak; |
1718 | |
1719 | for(i = 0; lists[i].name != NULL; i++) |
1720 | { |
1721 | if(!strcmp(name, lists[i].name)) |
1722 | break; |
1723 | } |
1724 | errno = 0; |
1725 | if(lists[i].name == NULL) |
1726 | return(-1); |
1727 | fd = -1; |
1728 | if((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0)) |
1729 | lists[i].func(); |
1730 | if((fd < 0) && ((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0))) |
1731 | { |
1732 | errnobak = errno; |
1733 | flog(LOG_ERR, "could not open filelist tempfile: %s", strerror(errno)); |
1734 | errno = errnobak; |
1735 | return(-1); |
1736 | } |
1737 | return(fd); |
1738 | } |
1739 | |
1740 | static struct sharecache *findbytth(char *tth32) |
1741 | { |
1742 | char *buf; |
1743 | size_t buflen; |
1744 | struct sharecache *node; |
1745 | |
1746 | if((buf = base32decode(tth32, &buflen)) == NULL) |
1747 | return(NULL); |
1748 | if(buflen != 24) |
1749 | { |
1750 | free(buf); |
1751 | return(NULL); |
1752 | } |
1753 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
1754 | { |
1755 | if(node->f.b.hastth && !memcmp(node->hashtth, buf, 24)) |
1756 | break; |
1757 | } |
1758 | free(buf); |
1759 | return(node); |
1760 | } |
1761 | |
1762 | static struct sharecache *resdcpath(char *path, char *charset, char sep) |
1763 | { |
1764 | struct sharecache *node; |
1765 | char *p, *p2; |
1766 | |
1767 | node = shareroot; |
1768 | p = path; |
1769 | while(p != NULL) |
1770 | { |
1771 | if((p2 = strchr(p, sep)) != NULL) |
1772 | *(p2++) = 0; |
1773 | if((node = findcache(node, icsmbstowcs(p, charset, L""))) == NULL) |
1774 | return(NULL); |
1775 | p = p2; |
1776 | } |
1777 | return(node); |
1778 | } |
1779 | |
1780 | static void cmd_get(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1781 | { |
1782 | int offset; |
1783 | char *p, *buf; |
1784 | wchar_t *buf2; |
1785 | struct sharecache *node; |
1786 | struct socket *lesk; |
1787 | int fd; |
1788 | struct stat sb; |
1789 | |
1790 | if(peer->transfer == NULL) |
1791 | { |
1792 | freedcpeer(peer); |
1793 | return; |
1794 | } |
1795 | if((p = strchr(args, '$')) == NULL) |
1796 | { |
1797 | freedcpeer(peer); |
1798 | return; |
1799 | } |
1800 | *(p++) = 0; |
1801 | if((offset = (atoi(p) - 1)) < 0) |
1802 | { |
1803 | freedcpeer(peer); |
1804 | return; |
1805 | } |
1806 | if(((fd = openfilelist(args)) < 0) && (errno != 0)) |
1807 | { |
1808 | qstr(sk, "$Error Could not send file list|"); |
1809 | freedcpeer(peer); |
1810 | return; |
1811 | } else if(fd >= 0) { |
1812 | if((buf2 = icsmbstowcs(args, DCCHARSET, NULL)) != NULL) |
1813 | transfersetpath(peer->transfer, buf2); |
f00d7432 |
1814 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
1815 | } |
1816 | if(fd < 0) |
1817 | { |
1d85f24b |
1818 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1819 | if((node = resdcpath(args, DCCHARSET, '\\')) == NULL) |
1820 | { |
1821 | qstrf(sk, "$Error File not in share|"); |
1822 | freedcpeer(peer); |
1823 | return; |
1824 | } |
1825 | if((fd = opensharecache(node)) < 0) |
1826 | { |
1827 | qstrf(sk, "$Error %s|", strerror(errno)); |
1828 | freedcpeer(peer); |
1829 | return; |
1830 | } |
1831 | buf = getfspath(node); |
1832 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) |
1833 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
1834 | else |
1835 | transfersetpath(peer->transfer, buf2); |
1836 | free(buf); |
1837 | } |
1838 | if(fstat(fd, &sb) < 0) |
1839 | { |
1840 | close(fd); |
1841 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
1842 | qstrf(sk, "$Error|"); |
1843 | freedcpeer(peer); |
1844 | return; |
1845 | } |
f00d7432 |
1846 | if(sb.st_size < 65536) |
1847 | peer->transfer->flags.b.minislot = 1; |
1848 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
565006d1 |
1849 | close(fd); |
f00d7432 |
1850 | qstr(sk, "$MaxedOut|"); |
1851 | freedcpeer(peer); |
1852 | return; |
1853 | } |
d3372da9 |
1854 | if((offset != 0) && (lseek(fd, offset, SEEK_SET) < 0)) |
1855 | { |
1856 | close(fd); |
1857 | qstrf(sk, "$Error Offset out of range|"); |
1858 | freedcpeer(peer); |
1859 | return; |
1860 | } |
1861 | lesk = wrapsock(fd); |
1862 | transferprepul(peer->transfer, sb.st_size, offset, -1, lesk); |
1863 | putsock(lesk); |
1864 | qstrf(sk, "$FileLength %i|", peer->transfer->size); |
d3372da9 |
1865 | } |
1866 | |
1867 | static void cmd_send(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1868 | { |
1869 | if(peer->transfer == NULL) |
1870 | { |
1871 | freedcpeer(peer); |
1872 | return; |
1873 | } |
1874 | if(peer->transfer->localend == NULL) |
1875 | { |
1876 | freedcpeer(peer); |
1877 | return; |
1878 | } |
1879 | peer->ptclose = 1; |
9a2d6cb8 |
1880 | startul(peer); |
d3372da9 |
1881 | } |
1882 | |
1883 | static void cmd_supports(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1884 | { |
1885 | int i; |
1886 | char *p, *p2; |
1887 | char **arr; |
1888 | size_t arrsize, arrdata; |
1889 | |
1890 | if(peer->supports != NULL) |
1891 | { |
1892 | for(i = 0; peer->supports[i] != NULL; i++) |
1893 | free(peer->supports[i]); |
1894 | free(peer->supports); |
1895 | } |
1896 | arr = NULL; |
1897 | arrsize = arrdata = 0; |
1898 | p = args; |
1899 | do |
1900 | { |
1901 | if((p2 = strchr(p, ' ')) != NULL) |
1902 | *(p2++) = 0; |
1903 | if(*p == 0) |
1904 | continue; |
1905 | addtobuf(arr, sstrdup(p)); |
1906 | } while((p = p2) != NULL); |
1907 | addtobuf(arr, NULL); |
1908 | peer->supports = arr; |
d3372da9 |
1909 | } |
1910 | |
1911 | static void cmd_getblock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1912 | { |
1913 | int fd; |
1914 | char *p, *p2; |
1915 | int start, numbytes; |
1916 | char *charset, *buf; |
1917 | wchar_t *buf2; |
1918 | struct sharecache *node; |
1919 | struct stat sb; |
1920 | struct socket *lesk; |
1921 | |
1922 | if(peer->transfer == NULL) |
1923 | { |
1924 | freedcpeer(peer); |
1925 | return; |
1926 | } |
1927 | p = args; |
1928 | if((p2 = strchr(p, ' ')) == NULL) |
1929 | { |
1930 | freedcpeer(peer); |
1931 | return; |
1932 | } |
1933 | *(p2++) = 0; |
1934 | start = atoi(p); |
1935 | p = p2; |
1936 | if((p2 = strchr(p, ' ')) == NULL) |
1937 | { |
1938 | freedcpeer(peer); |
1939 | return; |
1940 | } |
1941 | *(p2++) = 0; |
1942 | numbytes = atoi(p); |
1943 | p = p2; |
1944 | if(!strcmp(cmd, "$UGetBlock") || !strcmp(cmd, "$UGetZBlock")) |
1945 | charset = "UTF-8"; |
1946 | else |
1d85f24b |
1947 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
1948 | charset = DCCHARSET; |
1949 | if(!strcmp(cmd, "$GetZBlock") || !strcmp(cmd, "$UGetZBlock")) |
1950 | initcompress(peer, CPRS_ZLIB); |
1951 | if(((fd = openfilelist(p)) < 0) && (errno != 0)) |
1952 | { |
1953 | qstr(sk, "$Error Could not send file list|"); |
1954 | return; |
1955 | } else if(fd >= 0) { |
1956 | if((buf2 = icsmbstowcs(args, charset, NULL)) != NULL) |
1957 | transfersetpath(peer->transfer, buf2); |
f00d7432 |
1958 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
1959 | } |
1960 | if(fd < 0) |
1961 | { |
d3372da9 |
1962 | if((node = resdcpath(p, charset, '\\')) == NULL) |
1963 | { |
1964 | qstr(sk, "$Error File not in cache|"); |
1965 | return; |
1966 | } |
1967 | if((fd = opensharecache(node)) < 0) |
1968 | { |
1969 | qstrf(sk, "$Error %s|", strerror(errno)); |
1970 | return; |
1971 | } |
1972 | buf = getfspath(node); |
1973 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) |
1974 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
1975 | else |
1976 | transfersetpath(peer->transfer, buf2); |
1977 | free(buf); |
1978 | } |
1979 | if(fstat(fd, &sb) < 0) |
1980 | { |
1981 | close(fd); |
1982 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
1983 | qstr(sk, "$Error|"); |
1984 | return; |
1985 | } |
f00d7432 |
1986 | if(sb.st_size < 65536) |
1987 | peer->transfer->flags.b.minislot = 1; |
1988 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
565006d1 |
1989 | close(fd); |
f00d7432 |
1990 | qstr(sk, "$MaxedOut|"); |
1991 | return; |
1992 | } |
d3372da9 |
1993 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
1994 | { |
1995 | close(fd); |
1996 | qstr(sk, "$Error Offset out of range|"); |
1997 | return; |
1998 | } |
1999 | if((numbytes < 0) || (start + numbytes > sb.st_size)) |
2000 | numbytes = sb.st_size - start; |
2001 | lesk = wrapsock(fd); |
2002 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); |
2003 | putsock(lesk); |
2004 | qstrf(sk, "$Sending %i|", numbytes); |
9a2d6cb8 |
2005 | startul(peer); |
d3372da9 |
2006 | } |
2007 | |
2008 | static void cmd_adcget(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2009 | { |
2010 | int i; |
2011 | char **argv, *buf; |
2012 | int start, numbytes; |
2013 | struct sharecache *node; |
2014 | struct stat sb; |
2015 | struct socket *lesk; |
2016 | wchar_t *wbuf; |
2017 | int fd; |
2018 | |
2019 | if(peer->transfer == NULL) |
2020 | { |
2021 | freedcpeer(peer); |
2022 | return; |
2023 | } |
2024 | if((argv = parseadc(args)) == NULL) |
2025 | { |
2026 | freedcpeer(peer); |
2027 | return; |
2028 | } |
2029 | if(parrlen(argv) < 4) |
2030 | { |
2031 | freedcpeer(peer); |
2032 | goto out; |
2033 | } |
2034 | start = atoi(argv[2]); |
2035 | numbytes = atoi(argv[3]); |
2036 | node = NULL; |
2037 | fd = -1; |
2038 | if(((fd = openfilelist(argv[1])) < 0) && (errno != 0)) |
2039 | { |
2040 | qstr(sk, "$Error Could not send file list|"); |
2041 | goto out; |
2042 | } else if(fd >= 0) { |
2043 | if((wbuf = icsmbstowcs(argv[1], "UTF-8", NULL)) != NULL) |
2044 | transfersetpath(peer->transfer, wbuf); |
f00d7432 |
2045 | peer->transfer->flags.b.minislot = 1; |
d3372da9 |
2046 | } |
2047 | if(fd < 0) |
2048 | { |
d3372da9 |
2049 | if(!strncmp(argv[1], "TTH/", 4)) |
2050 | { |
2051 | if((node = findbytth(argv[1] + 4)) == NULL) |
2052 | { |
2053 | qstr(sk, "$Error File not in cache|"); |
2054 | goto out; |
2055 | } |
2056 | } else { |
9a2d6cb8 |
2057 | if((node = resdcpath((argv[1][0] == '/')?(argv[1] + 1):(argv[1]), "UTF-8", '/')) == NULL) |
d3372da9 |
2058 | { |
2059 | qstr(sk, "$Error File not in cache|"); |
2060 | goto out; |
2061 | } |
2062 | } |
2063 | if((fd = opensharecache(node)) < 0) |
2064 | { |
2065 | qstrf(sk, "$Error %s|", strerror(errno)); |
2066 | goto out; |
2067 | } |
2068 | buf = getfspath(node); |
2069 | if((wbuf = icsmbstowcs(buf, NULL, NULL)) == NULL) |
2070 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); |
2071 | else |
2072 | transfersetpath(peer->transfer, wbuf); |
2073 | free(buf); |
2074 | } |
2075 | if(!strcmp(argv[0], "file")) |
2076 | { |
2077 | for(i = 4; argv[i] != NULL; i++) |
2078 | { |
2079 | if(!strcmp(argv[i], "ZL1")) |
2080 | initcompress(peer, CPRS_ZLIB); |
2081 | } |
2082 | if(fstat(fd, &sb) < 0) |
2083 | { |
2084 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); |
2085 | qstr(sk, "$Error|"); |
2086 | goto out; |
2087 | } |
f00d7432 |
2088 | if(sb.st_size < 65536) |
2089 | peer->transfer->flags.b.minislot = 1; |
2090 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { |
2091 | qstr(sk, "$MaxedOut|"); |
2092 | goto out; |
2093 | } |
d3372da9 |
2094 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2095 | { |
2096 | qstr(sk, "$Error Offset out of range|"); |
2097 | goto out; |
2098 | } |
2099 | if((numbytes < 0) || (start + numbytes > sb.st_size)) |
2100 | numbytes = sb.st_size - start; |
2101 | lesk = wrapsock(fd); |
2102 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); |
2103 | putsock(lesk); |
2104 | fd = -1; |
2105 | qstr(sk, "$ADCSND"); |
2106 | sendadc(sk, "file"); |
2107 | sendadc(sk, argv[1]); |
2108 | sendadcf(sk, "%i", start); |
2109 | sendadcf(sk, "%i", numbytes); |
2110 | if(peer->compress == CPRS_ZLIB) |
2111 | sendadc(sk, "ZL1"); |
2112 | qstr(sk, "|"); |
9a2d6cb8 |
2113 | startul(peer); |
d3372da9 |
2114 | } else if(!strcmp(argv[0], "tthl")) { |
2115 | /* |
2116 | * XXX: Implement full TTHL support. |
2117 | * |
2118 | * In the meantime, this is better than nothing, since it at |
2119 | * least allows fetching of the TTH root if it isn't already |
2120 | * known. |
2121 | */ |
2122 | if(node == NULL) |
2123 | { |
2124 | qstr(sk, "$Error no TTHL data for virtual files|"); |
2125 | goto out; |
2126 | } |
2127 | qstr(sk, "$ADCSND"); |
2128 | sendadc(sk, "tthl"); |
2129 | sendadc(sk, argv[1]); |
2130 | sendadc(sk, "0"); |
2131 | sendadc(sk, "24"); |
2132 | qstr(sk, "|"); |
2133 | sockqueue(sk, node->hashtth, 24); |
2134 | } else { |
2135 | qstr(sk, "$Error Namespace not implemented|"); |
2136 | goto out; |
2137 | } |
d3372da9 |
2138 | |
2139 | out: |
2140 | if(fd >= 0) |
2141 | close(fd); |
2142 | freeparr(argv); |
2143 | } |
2144 | |
9a2d6cb8 |
2145 | static void handletthl(struct dcpeer *peer) |
2146 | { |
2147 | char buf[24]; |
2148 | |
2149 | while(peer->inbufdata >= 24) |
2150 | { |
2151 | pushtigertree(&peer->tth, peer->inbuf); |
2152 | memmove(peer->inbuf, peer->inbuf + 24, peer->inbufdata -= 24); |
e52006fe |
2153 | peer->curread += 24; |
9a2d6cb8 |
2154 | } |
e52006fe |
2155 | if(peer->curread >= peer->totalsize) |
9a2d6cb8 |
2156 | { |
1e9d82b1 |
2157 | if(peer->timeout == NULL) |
2158 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 |
2159 | peer->state = PEER_CMD; |
2160 | synctigertree(&peer->tth); |
2161 | restigertree(&peer->tth, buf); |
2162 | transfersethash(peer->transfer, newhash(L"TTH", 24, buf)); |
2163 | requestfile(peer); |
2164 | } |
2165 | } |
2166 | |
2167 | static void cmd_adcsnd(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2168 | { |
2169 | char **argv; |
2170 | int start, numbytes; |
2171 | |
2172 | if(peer->transfer == NULL) |
2173 | { |
2174 | freedcpeer(peer); |
2175 | return; |
2176 | } |
2177 | if((argv = parseadc(args)) == NULL) |
2178 | { |
2179 | freedcpeer(peer); |
2180 | return; |
2181 | } |
2182 | if(parrlen(argv) < 4) |
2183 | { |
2184 | freedcpeer(peer); |
2185 | goto out; |
2186 | } |
2187 | start = atoi(argv[2]); |
2188 | numbytes = atoi(argv[3]); |
2189 | if(!strcmp(argv[0], "tthl")) |
2190 | { |
2191 | if((start != 0) || (numbytes % 24 != 0)) |
2192 | { |
2193 | /* Weird. Bail out. */ |
2194 | freedcpeer(peer); |
2195 | goto out; |
2196 | } |
1e9d82b1 |
2197 | if(peer->timeout != NULL) |
2198 | canceltimer(peer->timeout); |
9a2d6cb8 |
2199 | peer->state = PEER_TTHL; |
2200 | peer->totalsize = numbytes; |
2201 | peer->curread = 0; |
df873cd0 |
2202 | peer->fetchingtthl = 0; |
9a2d6cb8 |
2203 | inittigertree(&peer->tth); |
2204 | handletthl(peer); |
2205 | } else if(!strcmp(argv[0], "file")) { |
2206 | if(start != peer->transfer->curpos) |
2207 | { |
2208 | freedcpeer(peer); |
2209 | goto out; |
2210 | } |
2211 | if(start + numbytes != peer->transfer->size) |
2212 | { |
2213 | transfersetsize(peer->transfer, start + numbytes); |
2214 | freedcpeer(peer); |
2215 | goto out; |
2216 | } |
2217 | startdl(peer); |
e52006fe |
2218 | if(peer->inbufdata > 0) |
2219 | { |
2220 | sockpushdata(sk, peer->inbuf, peer->inbufdata); |
2221 | peer->inbufdata = 0; |
2222 | transread(sk, peer); |
2223 | } |
9a2d6cb8 |
2224 | } else { |
2225 | /* We certainly didn't request this...*/ |
2226 | freedcpeer(peer); |
2227 | goto out; |
2228 | } |
2229 | |
2230 | out: |
2231 | freeparr(argv); |
2232 | } |
2233 | |
2234 | static void cmd_sending(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2235 | { |
2236 | int numbytes; |
2237 | |
2238 | if(peer->transfer == NULL) |
2239 | { |
2240 | freedcpeer(peer); |
2241 | return; |
2242 | } |
2243 | numbytes = atoi(args); |
2244 | if(peer->transfer->size - peer->transfer->curpos != numbytes) |
2245 | { |
2246 | transfersetsize(peer->transfer, peer->transfer->curpos + numbytes); |
2247 | freedcpeer(peer); |
2248 | return; |
2249 | } |
2250 | startdl(peer); |
0d8c93cb |
2251 | if(peer->inbufdata > 0) |
2252 | { |
2253 | sockpushdata(sk, peer->inbuf, peer->inbufdata); |
2254 | peer->inbufdata = 0; |
2255 | transread(sk, peer); |
2256 | } |
9a2d6cb8 |
2257 | } |
2258 | |
d3372da9 |
2259 | /* |
2260 | Hub skeleton: |
2261 | static void cmd_(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
2262 | { |
2263 | struct dchub *hub; |
2264 | |
2265 | hub = fn->data; |
2266 | hubhandleaction(sk, fn, cmd, args); |
2267 | } |
2268 | |
2269 | Peer skeleton: |
2270 | static void cmd_(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
2271 | { |
d3372da9 |
2272 | } |
2273 | |
2274 | */ |
2275 | |
2276 | static int hubreqconn(struct fnetpeer *peer) |
2277 | { |
2278 | struct dchub *hub; |
2279 | char *mbsnick; |
2280 | |
2281 | if((peer->fn->state != FNN_EST) || (peer->fn->fnet != &dcnet)) |
2282 | { |
2283 | errno = EINVAL; |
2284 | return(1); |
2285 | } |
2286 | if((hub = peer->fn->data) == NULL) |
2287 | { |
2288 | errno = EFAULT; |
2289 | return(1); |
2290 | } |
1d85f24b |
2291 | if((mbsnick = icwcstombs(peer->id, hub->charset)) == NULL) |
d3372da9 |
2292 | return(1); /* Shouldn't happen, of course, but who knows... */ |
2293 | if(tcpsock != NULL) |
2294 | { |
2295 | sendctm(peer->fn->sk, mbsnick); |
2296 | expectpeer(mbsnick, peer->fn); |
2297 | } else { |
2298 | qstrf(peer->fn->sk, "$RevConnectToMe %s %s|", hub->nativenick, mbsnick); |
2299 | } |
2300 | free(mbsnick); |
2301 | return(0); |
2302 | } |
2303 | |
2304 | static int hubsendchat(struct fnetnode *fn, int public, wchar_t *to, wchar_t *string) |
2305 | { |
2306 | struct dchub *hub; |
2307 | char *mbsstring, *mbsto; |
2308 | |
2309 | hub = fn->data; |
1d85f24b |
2310 | if((mbsto = icwcstombs(to, hub->charset)) == NULL) |
d3372da9 |
2311 | { |
2312 | errno = EILSEQ; |
2313 | return(1); |
2314 | } |
1d85f24b |
2315 | if((mbsstring = icwcstombs(string, hub->charset)) == NULL) |
d3372da9 |
2316 | { |
2317 | errno = EILSEQ; |
2318 | return(1); |
2319 | } |
2320 | if((strchr(mbsto, '|') != NULL) || (strchr(mbsto, ' ') != NULL)) |
2321 | { |
2322 | free(mbsto); |
2323 | free(mbsstring); |
2324 | errno = ESRCH; |
2325 | return(1); |
2326 | } |
2327 | if(strchr(mbsstring, '|') != NULL) |
2328 | { |
2329 | free(mbsto); |
2330 | free(mbsstring); |
2331 | errno = EILSEQ; |
2332 | return(1); |
2333 | } |
2334 | if(public) |
2335 | { |
2336 | if(*to == L'\0') |
2337 | { |
2338 | qstrf(fn->sk, "<%s> %s|", hub->nativenick, mbsstring); |
2339 | } else { |
2340 | qstrf(fn->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
2341 | } |
2342 | } else { |
2343 | qstrf(fn->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
2344 | } |
2345 | free(mbsto); |
2346 | free(mbsstring); |
2347 | return(0); |
2348 | } |
2349 | |
2350 | static void findsizelimit(struct sexpr *sexpr, int *min, int *max) |
2351 | { |
2352 | int minl, maxl, minr, maxr, retmin, retmax; |
2353 | |
2354 | switch(sexpr->op) |
2355 | { |
2356 | case SOP_AND: |
2357 | findsizelimit(sexpr->l, &minl, &maxl); |
2358 | findsizelimit(sexpr->r, &minr, &maxr); |
2359 | retmin = (minl > minr)?minl:minr; |
2360 | if((maxl != -1) && (maxr != -1)) |
2361 | retmax = (maxl < maxr)?maxl:maxr; |
2362 | else if(maxl != -1) |
2363 | retmax = maxl; |
2364 | else if(maxr != -1) |
2365 | retmax = maxr; |
2366 | else |
2367 | retmax = -1; |
2368 | break; |
2369 | case SOP_OR: |
2370 | findsizelimit(sexpr->l, &minl, &maxl); |
2371 | findsizelimit(sexpr->r, &minr, &maxr); |
2372 | retmin = (minl < minr)?minl:minr; |
2373 | if((maxl == -1) || (maxr == -1)) |
2374 | retmax = -1; |
2375 | else |
2376 | retmax = (maxl > maxr)?maxl:maxr; |
2377 | break; |
2378 | case SOP_NOT: |
2379 | findsizelimit(sexpr->l, &minl, &maxl); |
2380 | if((minl == 0) && (maxl == -1)) /* Interval is unspecified */ |
2381 | { |
2382 | retmin = 0; |
2383 | retmax = -1; |
2384 | } else if((minl == 0) && (maxl != -1)) { |
2385 | retmin = maxl + 1; |
2386 | retmax = -1; |
2387 | } else if((minl != 0) && (maxl == -1)) { |
2388 | retmin = 0; |
2389 | retmax = minl - 1; |
2390 | } else { /* This would yield two seperate intervals, which DC cannot handle */ |
2391 | retmin = 0; |
2392 | retmax = -1; |
2393 | } |
2394 | case SOP_SIZELT: |
2395 | retmin = 0; |
2396 | retmax = sexpr->d.n - 1; |
2397 | break; |
2398 | case SOP_SIZEEQ: |
2399 | retmin = sexpr->d.n; |
2400 | retmax = sexpr->d.n; |
2401 | break; |
2402 | case SOP_SIZEGT: |
2403 | retmin = sexpr->d.n + 1; |
2404 | retmax = -1; |
2405 | break; |
2406 | default: |
2407 | retmin = 0; |
2408 | retmax = -1; |
2409 | break; |
2410 | } |
2411 | if(min != NULL) |
2412 | *min = retmin; |
2413 | if(max != NULL) |
2414 | *max = retmax; |
2415 | } |
2416 | |
9d8cf743 |
2417 | static struct hash *findsehash(struct sexpr *sexpr) |
2418 | { |
2419 | struct hash *h1, *h2; |
2420 | |
2421 | switch(sexpr->op) |
2422 | { |
2423 | case SOP_AND: |
2424 | if((h1 = findsehash(sexpr->l)) != NULL) |
2425 | return(h1); |
2426 | if((h1 = findsehash(sexpr->r)) != NULL) |
2427 | return(h1); |
2428 | break; |
2429 | case SOP_OR: |
175c86de |
2430 | if((h1 = findsehash(sexpr->l)) == NULL) |
2431 | return(NULL); |
2432 | if((h2 = findsehash(sexpr->r)) == NULL) |
2433 | return(NULL); |
9d8cf743 |
2434 | if(hashcmp(h1, h2)) |
2435 | return(h1); |
2436 | break; |
2437 | case SOP_HASHIS: |
2438 | if(!wcscmp(sexpr->d.hash->algo, L"TTH")) |
2439 | return(sexpr->d.hash); |
2440 | default: |
2441 | break; |
2442 | } |
2443 | return(NULL); |
2444 | } |
2445 | |
d3372da9 |
2446 | static int hubsearch(struct fnetnode *fn, struct search *srch, struct srchfnnlist *ln) |
2447 | { |
2448 | struct dchub *hub; |
2449 | struct wcslist *list, *cur; |
2450 | char *sstr, *buf, *p; |
2451 | size_t sstrsize, sstrdata; |
2452 | struct sockaddr *name; |
2453 | socklen_t namelen; |
2454 | int minsize, maxsize; |
9d8cf743 |
2455 | struct hash *hash; |
d3372da9 |
2456 | |
2457 | hub = fn->data; |
2458 | if((fn->state != FNN_EST) || (fn->sk == NULL) || (fn->sk->state != SOCK_EST)) |
2459 | return(1); |
2460 | list = findsexprstrs(srch->sexpr); |
2461 | findsizelimit(srch->sexpr, &minsize, &maxsize); |
9d8cf743 |
2462 | hash = findsehash(srch->sexpr); |
d3372da9 |
2463 | if((minsize != 0) && (maxsize != -1)) |
2464 | { |
2465 | /* Choose either minsize or maxsize by trying to determine |
2466 | * which choice will be most restrictive. The result can be |
2467 | * approximative at best anyway, so don't try too hard... */ |
2468 | if((50000000 - maxsize) > (minsize - 50000000)) |
2469 | minsize = 0; |
2470 | else |
2471 | maxsize = -1; |
2472 | } |
d3372da9 |
2473 | sstr = NULL; |
2474 | sstrsize = sstrdata = 0; |
9d8cf743 |
2475 | if((hash != NULL) && (hash->len == 24)) |
d3372da9 |
2476 | { |
9d8cf743 |
2477 | /* Prioritize hash searches above all else */ |
2478 | bufcat(sstr, "F?T?0?9?TTH:", 12); |
2479 | buf = base32encode(hash->buf, hash->len); |
2480 | |
2481 | bufcat(sstr, buf, 39); |
2482 | free(buf); |
2483 | } else { |
2484 | if(minsize != 0) |
d3372da9 |
2485 | { |
9d8cf743 |
2486 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 |
2487 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?F?%i?1?", minsize); |
9d8cf743 |
2488 | } else if(maxsize != -1) { |
2489 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 |
2490 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?T?%i?1?", maxsize); |
9d8cf743 |
2491 | } else { |
2492 | bufcat(sstr, "F?F?0?1?", 8); |
2493 | } |
2494 | if(list != NULL) |
2495 | { |
2496 | for(cur = list; cur != NULL; cur = cur->next) |
d3372da9 |
2497 | { |
1d85f24b |
2498 | /* Use DCCHARSET in $Get paths until further researched... */ |
9d8cf743 |
2499 | if((buf = icwcstombs(cur->str, DCCHARSET)) == NULL) |
2500 | { |
2501 | /* Can't find anything anyway if the search expression |
2502 | * requires characters outside DC's charset. There's |
2503 | * nothing technically wrong with the search itself, |
2504 | * however, so return success. This should be |
2505 | * considered as an optimization. */ |
2506 | freesl(&list); |
2507 | if(sstr != NULL) |
2508 | free(sstr); |
2509 | return(0); |
2510 | } |
2511 | if(cur != list) |
2512 | addtobuf(sstr, '$'); |
2513 | /* |
2514 | * It probably doesn't hurt if buf contains any extra |
2515 | * dollar signs - it will just result in extra search |
2516 | * terms, and the extraneous results will be filtered by |
2517 | * the search layer anyway. It hurts if it contains any |
2518 | * pipes, though, so let's sell them for money. |
2519 | */ |
2520 | for(p = buf; *p; p++) |
2521 | { |
2522 | if(*p == '|') |
2523 | *p = '$'; |
2524 | } |
2525 | bufcat(sstr, buf, strlen(buf)); |
2526 | free(buf); |
d3372da9 |
2527 | } |
9d8cf743 |
2528 | } else { |
2529 | /* Will match all files... :-/ */ |
2530 | addtobuf(sstr, '.'); |
d3372da9 |
2531 | } |
d3372da9 |
2532 | } |
2533 | addtobuf(sstr, 0); |
2534 | if(tcpsock != NULL) |
2535 | { |
9b5acc18 |
2536 | if(sockgetremotename2(udpsock, fn->sk, &name, &namelen) < 0) |
d3372da9 |
2537 | { |
2538 | flog(LOG_WARNING, "cannot get address of UDP socket"); |
2539 | } else { |
9d8cf743 |
2540 | qstrf(fn->sk, "$Search %s %s|", formataddress(name, namelen), sstr); |
d3372da9 |
2541 | free(name); |
2542 | } |
2543 | } else { |
9d8cf743 |
2544 | qstrf(fn->sk, "$Search Hub:%s %s|", hub->nativenick, sstr); |
d3372da9 |
2545 | } |
2546 | free(sstr); |
2547 | freesl(&list); |
2548 | fn->lastsrch = time(NULL); |
2549 | return(0); |
2550 | } |
2551 | |
2552 | #undef skipcmd |
2553 | #undef qstr |
2554 | #undef qstrf |
2555 | |
2556 | #define cc(c) ((void (*)(struct socket *, void *, char *, char *))(c)) |
8b930085 |
2557 | static struct command hubcmds[] = |
d3372da9 |
2558 | { |
2559 | {"$Lock", cc(cmd_lock)}, |
2560 | {"$HubName", cc(cmd_hubname)}, |
2561 | {"$Hello", cc(cmd_hello)}, |
2562 | {"$Quit", cc(cmd_quit)}, |
2563 | {"$NickList", cc(cmd_nicklist)}, |
2564 | {"$OpList", cc(cmd_oplist)}, |
2565 | {"$MyINFO", cc(cmd_myinfo)}, |
2566 | {"$ForceMove", cc(cmd_forcemove)}, |
2567 | {"$Search", cc(cmd_search)}, |
2568 | {"$MultiSearch", cc(cmd_search)}, |
2569 | {"$ConnectToMe", cc(cmd_connecttome)}, |
2570 | {"$RevConnectToMe", cc(cmd_revconnecttome)}, |
2571 | {"$GetNetInfo", cc(cmd_getnetinfo)}, |
2572 | {"$To:", cc(cmd_to)}, |
2573 | {"$SR", cc(cmd_sr)}, |
2574 | {"$UserCommand", cc(cmd_usercommand)}, |
48509089 |
2575 | {"$GetPass", cc(cmd_getpass)}, |
c9b3ad74 |
2576 | {"$LogedIn", cc(cmd_logedin)}, /* sic */ |
d3372da9 |
2577 | {NULL, NULL} |
2578 | }; |
2579 | |
8b930085 |
2580 | static struct command peercmds[] = |
d3372da9 |
2581 | { |
2582 | {"$MyNick", cc(cmd_mynick)}, |
2583 | {"$Lock", cc(cmd_peerlock)}, |
2584 | {"$Direction", cc(cmd_direction)}, |
2585 | {"$Key", cc(cmd_key)}, |
2586 | {"$FileLength", cc(cmd_filelength)}, |
2587 | {"$Error", cc(cmd_error)}, |
2588 | {"$MaxedOut", cc(cmd_maxedout)}, |
2589 | {"$Get", cc(cmd_get)}, |
2590 | {"$Send", cc(cmd_send)}, |
2591 | {"$Supports", cc(cmd_supports)}, |
2592 | {"$GetBlock", cc(cmd_getblock)}, |
2593 | {"$UGetBlock", cc(cmd_getblock)}, |
2594 | {"$GetZBlock", cc(cmd_getblock)}, |
2595 | {"$UGetZBlock", cc(cmd_getblock)}, |
2596 | {"$ADCGET", cc(cmd_adcget)}, |
9a2d6cb8 |
2597 | {"$ADCSND", cc(cmd_adcsnd), 1}, |
2598 | {"$Sending", cc(cmd_sending), 1}, |
d3372da9 |
2599 | {NULL, NULL} |
2600 | }; |
2601 | #undef cc |
2602 | |
2603 | static void dctransdetach(struct transfer *transfer, struct dcpeer *peer) |
2604 | { |
2605 | CBUNREG(transfer, trans_filterout, peer); |
2606 | if(peer->freeing) |
2607 | return; |
2608 | peer->transfer = NULL; |
2609 | freedcpeer(peer); |
2610 | } |
2611 | |
2612 | static void dctransgotdata(struct transfer *transfer, struct dcpeer *peer) |
2613 | { |
2614 | int ret; |
2615 | void *buf; |
c7185019 |
2616 | unsigned char outbuf[1024]; |
d3372da9 |
2617 | z_stream *cstr; |
2618 | size_t bufsize; |
2619 | |
2620 | if((peer->state == PEER_TRNS) || (peer->state == PEER_SYNC)) |
2621 | { |
2622 | if(sockqueuesize(peer->sk) < 65536) |
2623 | { |
2624 | if((buf = transfergetdata(transfer, &bufsize)) != NULL) |
2625 | { |
2626 | if(peer->compress == CPRS_NONE) |
2627 | { |
2628 | sockqueue(peer->sk, buf, bufsize); |
2629 | } else if(peer->compress == CPRS_ZLIB) { |
2630 | cstr = peer->cprsdata; |
2631 | cstr->next_in = buf; |
2632 | cstr->avail_in = bufsize; |
2633 | while(cstr->avail_in > 0) |
2634 | { |
2635 | cstr->next_out = outbuf; |
2636 | cstr->avail_out = sizeof(outbuf); |
2637 | if((ret = deflate(cstr, 0)) != Z_OK) |
2638 | { |
2639 | flog(LOG_WARNING, "bug? deflate() did not return Z_OK (but rather %i)", ret); |
2640 | freedcpeer(peer); |
2641 | return; |
2642 | } |
2643 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
2644 | } |
2645 | } |
2646 | free(buf); |
2647 | } |
2648 | if(peer->state == PEER_SYNC) |
2649 | { |
2650 | if(peer->compress == CPRS_ZLIB) |
2651 | { |
2652 | cstr = peer->cprsdata; |
2653 | cstr->next_in = NULL; |
2654 | cstr->avail_in = 0; |
2655 | do |
2656 | { |
2657 | cstr->next_out = outbuf; |
2658 | cstr->avail_out = sizeof(outbuf); |
2659 | ret = deflate(cstr, Z_FINISH); |
2660 | if((ret != Z_OK) && (ret != Z_STREAM_END)) |
2661 | { |
2662 | flog(LOG_WARNING, "bug? deflate(Z_FINISH) did not return Z_OK (but rather %i)", ret); |
2663 | freedcpeer(peer); |
2664 | return; |
2665 | } |
2666 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
2667 | } while(ret != Z_STREAM_END); |
2668 | } |
2669 | if(peer->ptclose) |
2670 | { |
2671 | freedcpeer(peer); |
2672 | } else { |
1e9d82b1 |
2673 | if(peer->timeout == NULL) |
2674 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
2675 | peer->state = PEER_CMD; |
2676 | endcompress(peer); |
2677 | transfersetstate(transfer, TRNS_HS); |
2678 | socksettos(peer->sk, confgetint("fnet", "fnptos")); |
bfc261fe |
2679 | transfer->flags.b.minislot = 0; |
d3372da9 |
2680 | peer->sk->writecb = NULL; |
2681 | } |
2682 | } |
2683 | } |
2684 | } |
2685 | } |
2686 | |
2687 | static void dctransendofdata(struct transfer *transfer, struct dcpeer *peer) |
2688 | { |
2689 | peer->state = PEER_SYNC; |
2690 | dctransgotdata(transfer, peer); |
2691 | } |
2692 | |
2693 | static void dcwantdata(struct transfer *transfer, struct dcpeer *peer) |
2694 | { |
2695 | if(transferdatasize(transfer) < 65536) |
2696 | peer->sk->ignread = 0; |
2697 | } |
2698 | |
2699 | static void transread(struct socket *sk, struct dcpeer *peer) |
2700 | { |
2701 | void *buf; |
2702 | size_t bufsize; |
2703 | struct transfer *transfer; |
2704 | |
2705 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
2706 | return; |
2707 | if(peer->transfer == NULL) |
2708 | { |
2709 | free(buf); |
2710 | freedcpeer(peer); |
2711 | return; |
2712 | } |
2713 | transferputdata(peer->transfer, buf, bufsize); |
2714 | free(buf); |
2715 | if(peer->transfer->curpos >= peer->transfer->size) |
2716 | { |
2717 | transfer = peer->transfer; |
2718 | transferdetach(transfer); |
2719 | transferendofdata(transfer); |
2720 | return; |
2721 | } |
2722 | if(transferdatasize(peer->transfer) > 65535) |
2723 | sk->ignread = 1; |
2724 | } |
2725 | |
2726 | static void transerr(struct socket *sk, int err, struct dcpeer *peer) |
2727 | { |
2728 | struct transfer *transfer; |
2729 | |
2730 | if((transfer = peer->transfer) == NULL) |
2731 | { |
2732 | freedcpeer(peer); |
2733 | return; |
2734 | } |
2735 | transferdetach(transfer); |
2736 | transferendofdata(transfer); |
2737 | } |
2738 | |
2739 | static void transwrite(struct socket *sk, struct dcpeer *peer) |
2740 | { |
2741 | if((peer->state != PEER_TRNS) && (peer->state != PEER_SYNC)) |
2742 | return; |
2743 | if(peer->transfer == NULL) |
2744 | { |
2745 | freedcpeer(peer); |
2746 | return; |
2747 | } |
2748 | dctransgotdata(peer->transfer, peer); |
2749 | } |
2750 | |
2751 | static void udpread(struct socket *sk, void *data) |
2752 | { |
d86b7a9f |
2753 | char *buf, *p, *p2, *hashbuf; |
2754 | size_t buflen, hashlen; |
d3372da9 |
2755 | char *nick, *filename, *hubname; |
99a28d47 |
2756 | struct sockaddr_in hubaddr; |
d3372da9 |
2757 | int size, slots; |
2758 | struct fnetnode *fn, *myfn; |
2759 | struct dchub *hub; |
2760 | struct srchres *sr; |
2761 | wchar_t *wnick, *wfile; |
d86b7a9f |
2762 | struct hash *hash; |
d3372da9 |
2763 | |
2764 | if((buf = sockgetinbuf(sk, &buflen)) == NULL) |
2765 | return; |
2766 | buf = srealloc(buf, buflen + 1); |
2767 | buf[buflen] = 0; |
2768 | if(!strncmp(buf, "$SR ", 4)) |
2769 | { |
2770 | p = buf + 4; |
2771 | nick = p; |
2772 | if((p2 = strchr(p, ' ')) == NULL) |
2773 | { |
2774 | free(buf); |
2775 | return; |
2776 | } |
2777 | *p2 = 0; |
2778 | p = p2 + 1; |
2779 | filename = p; |
2780 | if((p2 = strchr(p, 5)) == NULL) |
2781 | { |
2782 | free(buf); |
2783 | return; |
2784 | } |
2785 | *p2 = 0; |
2786 | p = p2 + 1; |
2787 | if((p2 = strchr(p, ' ')) == NULL) |
2788 | { |
2789 | free(buf); |
2790 | return; |
2791 | } |
2792 | *p2 = 0; |
2793 | size = atoi(p); |
2794 | p = p2 + 1; |
2795 | if((p2 = strchr(p, '/')) == NULL) |
2796 | { |
2797 | free(buf); |
2798 | return; |
2799 | } |
2800 | *p2 = 0; |
2801 | slots = atoi(p); |
2802 | p = p2 + 1; |
2803 | if((p2 = strchr(p, 5)) == NULL) |
2804 | { |
2805 | free(buf); |
2806 | return; |
2807 | } |
2808 | p = p2 + 1; |
2809 | hubname = p; |
2810 | if((p2 = strstr(p, " (")) == NULL) |
2811 | { |
2812 | free(buf); |
2813 | return; |
2814 | } |
2815 | *p2 = 0; |
99a28d47 |
2816 | p = p2 + 2; |
2817 | if((p2 = strchr(p, ':')) == NULL) |
2818 | { |
2819 | free(buf); |
2820 | return; |
2821 | } |
870bf4ad |
2822 | *(p2++) = 0; |
99a28d47 |
2823 | hubaddr.sin_family = AF_INET; |
2824 | if(!inet_aton(p, &hubaddr.sin_addr)) |
2825 | { |
2826 | free(buf); |
2827 | return; |
2828 | } |
2829 | p = p2; |
2830 | if((p2 = strchr(p, ')')) == NULL) |
2831 | { |
2832 | free(buf); |
2833 | return; |
2834 | } |
2835 | *p2 = 0; |
2836 | hubaddr.sin_port = htons(atoi(p)); |
1d85f24b |
2837 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
2838 | if((wfile = icmbstowcs(filename, DCCHARSET)) == NULL) |
2839 | { |
d3372da9 |
2840 | free(buf); |
2841 | return; |
2842 | } |
2843 | myfn = NULL; |
d86b7a9f |
2844 | hash = NULL; |
2845 | if(!strncmp(hubname, "TTH:", 4)) |
d3372da9 |
2846 | { |
d86b7a9f |
2847 | if((hashbuf = base32decode(hubname + 4, &hashlen)) != NULL) |
2848 | { |
2849 | if(hashlen == 24) |
2850 | hash = newhash(L"TTH", 24, hashbuf); |
2851 | free(hashbuf); |
2852 | } |
2853 | } else { |
2854 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
d3372da9 |
2855 | { |
d86b7a9f |
2856 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL)) |
d3372da9 |
2857 | { |
d86b7a9f |
2858 | if((hub->nativename != NULL) && !strcmp(hub->nativename, hubname)) |
d3372da9 |
2859 | { |
d86b7a9f |
2860 | if(myfn == NULL) |
2861 | { |
2862 | myfn = fn; |
2863 | } else { |
2864 | myfn = NULL; |
2865 | break; |
2866 | } |
d3372da9 |
2867 | } |
2868 | } |
2869 | } |
2870 | } |
99a28d47 |
2871 | if(myfn == NULL) |
2872 | { |
2873 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
2874 | { |
39cc1b93 |
2875 | if((fn->fnet == &dcnet) && (fn->sk != NULL) && addreq(fn->sk->remote, (struct sockaddr *)&hubaddr)) |
99a28d47 |
2876 | { |
2877 | myfn = fn; |
2878 | break; |
2879 | } |
2880 | } |
2881 | } |
1d85f24b |
2882 | hub = NULL; |
2883 | if(myfn != NULL) |
2884 | hub = myfn->data; |
2885 | if((wnick = icmbstowcs(nick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
2886 | { |
2887 | free(buf); |
2888 | return; |
2889 | } |
d3372da9 |
2890 | sr = newsrchres(&dcnet, wfile, wnick); |
2891 | if(sr->peernick != NULL) |
2892 | free(sr->peernick); |
2893 | sr->peernick = swcsdup(wnick); |
2894 | sr->size = size; |
2895 | sr->slots = slots; |
2896 | free(wfile); |
2897 | free(wnick); |
2898 | if(myfn != NULL) |
2899 | getfnetnode(sr->fn = myfn); |
d86b7a9f |
2900 | if(hash != NULL) |
2901 | sr->hash = hash; |
d3372da9 |
2902 | submitsrchres(sr); |
2903 | freesrchres(sr); |
2904 | } |
2905 | free(buf); |
2906 | } |
2907 | |
2908 | static void hubread(struct socket *sk, struct fnetnode *fn) |
2909 | { |
2910 | struct dchub *hub; |
2911 | char *newbuf; |
2912 | size_t datalen; |
2913 | char *p; |
2914 | |
2915 | hub = (struct dchub *)fn->data; |
2916 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
2917 | return; |
2918 | if(hub->inbufdata > 500000) /* Discard possible malicious data */ |
2919 | hub->inbufdata = 0; |
2920 | sizebuf2(hub->inbuf, hub->inbufdata + datalen, 1); |
2921 | memcpy(hub->inbuf + hub->inbufdata, newbuf, datalen); |
2922 | free(newbuf); |
2923 | p = hub->inbuf + hub->inbufdata; |
2924 | hub->inbufdata += datalen; |
2925 | while((datalen > 0) && ((p = memchr(p, '|', datalen)) != NULL)) |
2926 | { |
2927 | *(p++) = 0; |
2928 | newqcmd(&hub->queue, hub->inbuf); |
2929 | memmove(hub->inbuf, p, hub->inbufdata -= p - hub->inbuf); |
2930 | datalen = hub->inbufdata; |
2931 | p = hub->inbuf; |
2932 | } |
2933 | } |
2934 | |
2935 | static void huberr(struct socket *sk, int err, struct fnetnode *fn) |
2936 | { |
2937 | killfnetnode(fn); |
2938 | } |
2939 | |
2940 | static int hubsetnick(struct fnetnode *fn, wchar_t *newnick) |
2941 | { |
2942 | struct dchub *hub; |
2943 | char *buf; |
2944 | |
2945 | hub = fn->data; |
1d85f24b |
2946 | if((buf = icwcstombs(newnick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
d3372da9 |
2947 | return(1); |
2948 | if((strchr(buf, ' ') != NULL) || (strchr(buf, '|') != NULL) || (strchr(buf, '$') != NULL)) |
2949 | { |
2950 | free(buf); |
2951 | return(1); |
2952 | } |
2953 | if(hub == NULL) /* Not yet connected */ |
2954 | { |
2955 | free(buf); |
2956 | return(0); |
2957 | } |
2958 | if(hub->nativenick != NULL) |
2959 | free(hub->nativenick); |
2960 | hub->nativenick = buf; |
2961 | return(0); |
2962 | } |
2963 | |
2964 | static struct dchub *newdchub(struct fnetnode *fn) |
2965 | { |
2966 | struct dchub *new; |
1c4b02cd |
2967 | wchar_t *emu; |
1d85f24b |
2968 | wchar_t *wcharset; |
2969 | char *charset; |
d3372da9 |
2970 | |
2971 | new = smalloc(sizeof(*new)); |
2972 | memset(new, 0, sizeof(*new)); |
2973 | fn->data = new; |
1c4b02cd |
2974 | if(confgetint("dc", "dcppemu")) |
2975 | new->dcppemu = 1; |
2976 | if((emu = wpfind(fn->args, L"dcppemu")) != NULL) |
2977 | { |
2978 | if(*emu == L'y') |
2979 | new->dcppemu = 1; |
2980 | if(*emu == L'n') |
2981 | new->dcppemu = 0; |
2982 | } |
1d85f24b |
2983 | charset = NULL; |
2984 | if((wcharset = wpfind(fn->args, L"charset")) != NULL) |
2985 | { |
2986 | if((charset = icwcstombs(wcharset, "US-ASCII")) != NULL) |
2987 | { |
2988 | if(!havecharset(charset)) |
2989 | { |
2990 | free(charset); |
2991 | charset = NULL; |
2992 | } |
2993 | } |
2994 | } |
2995 | if(charset != NULL) |
2996 | new->charset = charset; |
2997 | else |
2998 | new->charset = sstrdup(DCCHARSET); |
d3372da9 |
2999 | if(hubsetnick(fn, fn->mynick)) |
3000 | fnetsetnick(fn, L"DoldaConnectUser-IN"); |
3001 | /* IN as in Invalid Nick */ |
3002 | return(new); |
3003 | } |
3004 | |
3005 | static struct dcpeer *newdcpeer(struct socket *sk) |
3006 | { |
3007 | struct dcpeer *new; |
3008 | |
3009 | new = smalloc(sizeof(*new)); |
3010 | memset(new, 0, sizeof(*new)); |
3011 | new->transfer = NULL; |
3012 | getsock(sk); |
3013 | new->sk = sk; |
1c4b02cd |
3014 | if(confgetint("dc", "dcppemu")) |
3015 | new->dcppemu = 1; |
d3372da9 |
3016 | new->next = peers; |
3017 | new->prev = NULL; |
3018 | if(peers != NULL) |
3019 | peers->prev = new; |
3020 | peers = new; |
3021 | numdcpeers++; |
3022 | return(new); |
3023 | } |
3024 | |
3025 | static void freedcpeer(struct dcpeer *peer) |
3026 | { |
3027 | int i; |
3028 | struct qcommand *qcmd; |
3029 | |
3030 | peer->freeing = 1; |
3031 | if(peers == peer) |
3032 | peers = peer->next; |
3033 | if(peer->next != NULL) |
3034 | peer->next->prev = peer->prev; |
3035 | if(peer->prev != NULL) |
3036 | peer->prev->next = peer->next; |
3037 | if(peer->transfer != NULL) |
3038 | { |
3039 | if(peer->transfer->dir == TRNSD_UP) |
3040 | peer->transfer->close = 1; |
3041 | if(peer->transfer->dir == TRNSD_DOWN) |
3042 | resettransfer(peer->transfer); |
3043 | transferdetach(peer->transfer); |
3044 | } |
1e9d82b1 |
3045 | if(peer->timeout != NULL) |
3046 | canceltimer(peer->timeout); |
d3372da9 |
3047 | if(peer->sk->data == peer) |
3048 | peer->sk->data = NULL; |
3049 | peer->sk->readcb = NULL; |
3050 | peer->sk->writecb = NULL; |
3051 | peer->sk->errcb = NULL; |
3052 | putsock(peer->sk); |
3053 | endcompress(peer); |
3054 | if(peer->supports != NULL) |
3055 | { |
3056 | for(i = 0; peer->supports[i] != NULL; i++) |
3057 | free(peer->supports[i]); |
3058 | free(peer->supports); |
3059 | } |
d3372da9 |
3060 | if(peer->inbuf != NULL) |
3061 | free(peer->inbuf); |
3062 | if(peer->key != NULL) |
3063 | free(peer->key); |
3064 | if(peer->wcsname != NULL) |
3065 | free(peer->wcsname); |
3066 | if(peer->nativename != NULL) |
3067 | free(peer->nativename); |
1d85f24b |
3068 | if(peer->charset != NULL) |
3069 | free(peer->charset); |
d3372da9 |
3070 | if(peer->fn != NULL) |
3071 | putfnetnode(peer->fn); |
3072 | while((qcmd = ulqcmd(&peer->queue)) != NULL) |
3073 | freeqcmd(qcmd); |
3074 | free(peer); |
3075 | numdcpeers--; |
3076 | } |
3077 | |
3078 | static void hubconnect(struct fnetnode *fn) |
3079 | { |
3080 | fn->sk->readcb = (void (*)(struct socket *, void *))hubread; |
3081 | fn->sk->errcb = (void (*)(struct socket *, int, void *))huberr; |
3082 | getfnetnode(fn); |
3083 | fn->data = newdchub(fn); |
3084 | fn->sk->data = fn; |
3085 | return; |
3086 | } |
3087 | |
3088 | static void hubdestroy(struct fnetnode *fn) |
3089 | { |
3090 | struct dchub *hub; |
3091 | struct qcommand *qcmd; |
3092 | |
3093 | hub = (struct dchub *)fn->data; |
9d131372 |
3094 | if((fn->sk != NULL) && (fn->sk->data == fn)) |
d3372da9 |
3095 | { |
9d131372 |
3096 | fn->sk->data = NULL; |
3097 | putfnetnode(fn); |
d3372da9 |
3098 | } |
3099 | if(hub == NULL) |
3100 | return; |
3101 | while((qcmd = ulqcmd(&hub->queue)) != NULL) |
3102 | freeqcmd(qcmd); |
3103 | if(hub->nativename != NULL) |
3104 | free(hub->nativename); |
3105 | if(hub->nativenick != NULL) |
3106 | free(hub->nativenick); |
1d85f24b |
3107 | if(hub->charset != NULL) |
3108 | free(hub->charset); |
d3372da9 |
3109 | if(hub->inbuf != NULL) |
3110 | free(hub->inbuf); |
3111 | free(hub); |
3112 | } |
3113 | |
3114 | static wchar_t *dcbasename(wchar_t *filename) |
3115 | { |
3116 | wchar_t *ret; |
3117 | |
3118 | if((ret = wcsrchr(filename, L'\\')) != NULL) |
3119 | return(ret + 1); |
3120 | return(filename); |
3121 | } |
3122 | |
3123 | static struct transferiface dctransfer = |
3124 | { |
3125 | .detach = (void (*)(struct transfer *, void *))dctransdetach, |
3126 | .gotdata = (void (*)(struct transfer *, void *))dctransgotdata, |
3127 | .endofdata = (void (*)(struct transfer *, void *))dctransendofdata, |
3128 | .wantdata = (void (*)(struct transfer *, void *))dcwantdata |
3129 | }; |
3130 | |
3131 | static struct fnet dcnet = |
3132 | { |
3133 | .name = L"dc", |
3134 | .connect = hubconnect, |
3135 | .destroy = hubdestroy, |
3136 | .setnick = hubsetnick, |
3137 | .reqconn = hubreqconn, |
3138 | .sendchat = hubsendchat, |
3139 | .search = hubsearch, |
3140 | .filebasename = dcbasename |
3141 | }; |
3142 | |
3143 | static void peerread(struct socket *sk, struct dcpeer *peer) |
3144 | { |
3145 | char *newbuf, *p; |
3146 | size_t datalen; |
9a2d6cb8 |
3147 | struct command *cmd; |
d3372da9 |
3148 | |
3149 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
3150 | return; |
3151 | sizebuf2(peer->inbuf, peer->inbufdata + datalen, 1); |
3152 | memcpy(peer->inbuf + peer->inbufdata, newbuf, datalen); |
3153 | free(newbuf); |
d3372da9 |
3154 | peer->inbufdata += datalen; |
9a2d6cb8 |
3155 | if(peer->state == PEER_CMD) |
d3372da9 |
3156 | { |
d3372da9 |
3157 | p = peer->inbuf; |
9a2d6cb8 |
3158 | while((peer->inbufdata > 0) && (p = memchr(peer->inbuf, '|', peer->inbufdata)) != NULL) |
3159 | { |
3160 | *(p++) = 0; |
3161 | newqcmd(&peer->queue, peer->inbuf); |
3162 | for(cmd = peercmds; cmd->handler != NULL; cmd++) |
3163 | { |
5eee9d66 |
3164 | if(!memcmp(peer->inbuf, cmd->name, strlen(cmd->name)) && ((peer->inbuf[strlen(cmd->name)] == ' ') || (peer->inbuf[strlen(cmd->name)] == '|'))) |
9a2d6cb8 |
3165 | break; |
3166 | } |
5eee9d66 |
3167 | memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf); |
9a2d6cb8 |
3168 | if(cmd->stop) |
3169 | { |
3170 | peer->state = PEER_STOP; |
3171 | break; |
3172 | } |
9a2d6cb8 |
3173 | } |
3174 | } else if(peer->state == PEER_TTHL) { |
3175 | handletthl(peer); |
d3372da9 |
3176 | } |
3177 | } |
3178 | |
3179 | static void peererror(struct socket *sk, int err, struct dcpeer *peer) |
3180 | { |
3181 | freedcpeer(peer); |
3182 | } |
3183 | |
3184 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn) |
3185 | { |
3186 | struct dcpeer *peer; |
1c4b02cd |
3187 | struct dchub *hub; |
d3372da9 |
3188 | |
3189 | if(err != 0) |
3190 | { |
3191 | putfnetnode(fn); |
ff625695 |
3192 | putsock(sk); |
d3372da9 |
3193 | return; |
3194 | } |
1c4b02cd |
3195 | hub = fn->data; |
d3372da9 |
3196 | peer = newdcpeer(sk); |
3197 | peer->fn = fn; |
3198 | peer->accepted = 0; |
1c4b02cd |
3199 | peer->dcppemu = hub->dcppemu; |
d3372da9 |
3200 | sk->readcb = (void (*)(struct socket *, void *))peerread; |
3201 | sk->errcb = (void (*)(struct socket *, int, void *))peererror; |
3202 | sk->data = peer; |
3203 | socksettos(sk, confgetint("fnet", "fnptos")); |
d3372da9 |
3204 | putsock(sk); |
1e9d82b1 |
3205 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 |
3206 | sendmynick(peer); |
3207 | sendpeerlock(peer); |
d3372da9 |
3208 | } |
3209 | |
3210 | static void peeraccept(struct socket *sk, struct socket *newsk, void *data) |
3211 | { |
3212 | struct dcpeer *peer; |
3213 | |
3214 | peer = newdcpeer(newsk); |
3215 | peer->accepted = 1; |
3216 | newsk->readcb = (void (*)(struct socket *, void *))peerread; |
3217 | newsk->errcb = (void (*)(struct socket *, int, void *))peererror; |
3218 | newsk->data = peer; |
3219 | socksettos(newsk, confgetint("fnet", "fnptos")); |
1e9d82b1 |
3220 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
3221 | } |
3222 | |
3223 | static void updatehmlist(void) |
3224 | { |
3225 | int i, lev, ic, ret; |
3226 | struct sharecache *node; |
3227 | char *buf, *buf2, numbuf[32]; |
3228 | size_t bufsize, bufdata; |
3229 | int fd, ibuf; |
3230 | |
3231 | bufdata = 0; |
3232 | buf = smalloc(bufsize = 65536); |
3233 | node = shareroot->child; |
3234 | lev = 0; |
3235 | while(1) |
3236 | { |
3237 | ic = 0; |
1d85f24b |
3238 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 |
3239 | if((buf2 = icwcstombs(node->name, DCCHARSET)) != NULL) |
3240 | { |
3241 | for(i = 0; i < lev; i++) |
3242 | addtobuf(buf, 9); |
3243 | bufcat(buf, buf2, strlen(buf2)); |
3244 | free(buf2); |
3245 | if(node->f.b.type == FILE_REG) |
3246 | { |
3247 | addtobuf(buf, '|'); |
3248 | sprintf(numbuf, "%i", node->size); |
3249 | bufcat(buf, numbuf, strlen(numbuf)); |
3250 | } |
3251 | addtobuf(buf, 13); |
3252 | addtobuf(buf, 10); |
3253 | } else { |
3254 | ic = 1; |
3255 | } |
3256 | if((node->child != NULL) && !ic) |
3257 | { |
3258 | lev++; |
3259 | node = node->child; |
3260 | } else if(node->next != NULL) { |
3261 | node = node->next; |
3262 | } else { |
3263 | while(node->next == NULL) |
3264 | { |
3265 | lev--; |
3266 | node = node->parent; |
3267 | if(node == shareroot) |
3268 | break; |
3269 | } |
3270 | if(node == shareroot) |
3271 | break; |
3272 | node = node->next; |
3273 | } |
3274 | } |
3275 | if(hmlistname != NULL) |
3276 | { |
3277 | unlink(hmlistname); |
3278 | free(hmlistname); |
3279 | } |
3280 | hmlistname = sstrdup("/tmp/dc-filelist-hm-XXXXXX"); |
3281 | if((fd = mkstemp(hmlistname)) < 0) |
3282 | { |
3283 | flog(LOG_WARNING, "could not create HM file list tempfile: %s", strerror(errno)); |
3284 | free(hmlistname); |
3285 | hmlistname = NULL; |
3286 | } else { |
3287 | /* |
3288 | * I do not want to implement a good Huffman encoder, and it's not |
3289 | * like Huffman encoding actually yields any impressive results |
3290 | * for DC file lists anyway, so I'll just output a bogus |
3291 | * tree. Implement a good encoder if you want to. |
3292 | */ |
3293 | write(fd, "HE3\r\0", 5); |
3294 | write(fd, &bufdata, 4); |
3295 | ibuf = 256; |
3296 | write(fd, &ibuf, 2); |
3297 | ibuf = 8; |
3298 | for(i = 0; i < 256; i++) |
3299 | { |
3300 | write(fd, &i, 1); |
3301 | write(fd, &ibuf, 1); |
3302 | } |
3303 | for(i = 0; i < 256; i++) |
3304 | write(fd, &i, 1); |
3305 | for(buf2 = buf; bufdata > 0;) |
3306 | { |
3307 | if((ret = write(fd, buf2, bufdata)) < 0) |
3308 | { |
3309 | flog(LOG_WARNING, "could not write file list: %s", strerror(errno)); |
3310 | break; |
3311 | } |
3312 | bufdata -= ret; |
3313 | buf2 += ret; |
3314 | } |
3315 | close(fd); |
3316 | } |
3317 | free(buf); |
3318 | } |
3319 | |
3320 | static struct xmlent |
3321 | { |
3322 | wchar_t c; |
3323 | wchar_t *ent; |
3324 | } entities[] = { |
3325 | {L'&', L"&"}, |
3326 | {L'\"', L"""}, |
3327 | /* {L'\'', L"""}, Emulate DC++ escaping by omitting this. */ |
3328 | {L'\0', NULL} |
3329 | }; |
3330 | |
3331 | static wchar_t *escapexml(wchar_t *src) |
3332 | { |
3333 | static wchar_t *buf = NULL;; |
3334 | int ret, c; |
3335 | wchar_t nbuf[32]; |
3336 | size_t bufsize, bufdata; |
3337 | struct xmlent *ent; |
3338 | |
3339 | if(buf != NULL) |
3340 | free(buf); |
3341 | buf = NULL; |
3342 | bufsize = bufdata = 0; |
3343 | for(; *src != L'\0'; src++) |
3344 | { |
3345 | c = wctob(*src); |
3346 | if((c > 0) && (c < 32)) |
3347 | { |
3348 | bufcat(buf, L"&#", 2); |
3349 | ret = swprintf(nbuf, (sizeof(nbuf) / sizeof(*nbuf)), L"%i", c); |
3350 | bufcat(buf, nbuf, ret); |
3351 | addtobuf(buf, L';'); |
3352 | } else { |
3353 | for(ent = entities; ent->ent != NULL; ent++) |
3354 | { |
3355 | if(ent->c == *src) |
3356 | { |
3357 | bufcat(buf, ent->ent, wcslen(ent->ent)); |
3358 | break; |
3359 | } |
3360 | } |
3361 | if(ent->ent == NULL) |
3362 | addtobuf(buf, *src); |
3363 | } |
3364 | } |
3365 | addtobuf(buf, L'\0'); |
3366 | return(buf); |
3367 | } |
3368 | |
3369 | static void updatexmllist(void) |
3370 | { |
3371 | int i, fd, lev; |
3372 | FILE *fs; |
3373 | char cidbuf[14], *namebuf; |
3374 | char *hashbuf; |
3375 | struct sharecache *node; |
3376 | |
3377 | if(xmllistname != NULL) |
3378 | { |
3379 | unlink(xmllistname); |
3380 | free(xmllistname); |
3381 | } |
3382 | xmllistname = sstrdup("/tmp/dc-filelist-dcxml-XXXXXX"); |
3383 | if((fd = mkstemp(xmllistname)) < 0) |
3384 | { |
3385 | flog(LOG_WARNING, "could not create XML file list tempfile: %s", strerror(errno)); |
3386 | free(xmllistname); |
3387 | xmllistname = NULL; |
3388 | return; |
3389 | } |
3390 | if((fs = fdopen(fd, "w")) == NULL) |
3391 | { |
3392 | flog(LOG_WARNING, "could not fdopen XML list fd %i: %s", fd, strerror(errno)); |
3393 | unlink(xmllistname); |
3394 | free(xmllistname); |
3395 | xmllistname = NULL; |
3396 | close(fd); |
3397 | return; |
3398 | } |
3399 | fprintf(fs, "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>\r\n"); |
3400 | for(i = 0; i < sizeof(cidbuf) - 1; i++) |
3401 | cidbuf[i] = (rand() % ('Z' - 'A' + 1)) + 'A'; |
3402 | cidbuf[i] = 0; |
1c4b02cd |
3403 | if(confgetint("dc", "dcppemu")) |
3404 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"DC++ 0.674\">\r\n", cidbuf); |
3405 | else |
3406 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"%s\">\r\n", cidbuf, "DoldaConnect" VERSION); |
d3372da9 |
3407 | |
3408 | node = shareroot->child; |
3409 | lev = 0; |
3410 | while(1) |
3411 | { |
3412 | if((namebuf = icswcstombs(escapexml(node->name), "UTF-8", NULL)) != NULL) |
3413 | { |
3414 | for(i = 0; i < lev; i++) |
3415 | fputc('\t', fs); |
3416 | if(node->child != NULL) |
3417 | { |
3418 | fprintf(fs, "<Directory Name=\"%s\">\r\n", namebuf); |
3419 | node = node->child; |
3420 | lev++; |
3421 | continue; |
3422 | } else { |
3423 | fprintf(fs, "<File Name=\"%s\" Size=\"%i\"", namebuf, node->size); |
3424 | if(node->f.b.hastth) |
3425 | { |
3426 | hashbuf = base32encode(node->hashtth, 24); |
3427 | fprintf(fs, " TTH=\"%.39s\"", hashbuf); |
3428 | free(hashbuf); |
3429 | } |
3430 | fprintf(fs, "/>\r\n"); |
3431 | } |
3432 | while(node->next == NULL) |
3433 | { |
3434 | node = node->parent; |
3435 | if(node == shareroot) |
3436 | { |
3437 | break; |
3438 | } else { |
3439 | lev--; |
3440 | for(i = 0; i < lev; i++) |
3441 | fputc('\t', fs); |
3442 | fprintf(fs, "</Directory>\r\n"); |
3443 | } |
3444 | } |
3445 | if(node == shareroot) |
3446 | break; |
3447 | node = node->next; |
3448 | } |
3449 | } |
3450 | |
1c4b02cd |
3451 | if(confgetint("dc", "dcppemu")) |
3452 | fprintf(fs, "</FileListing>"); |
3453 | else |
3454 | fprintf(fs, "</FileListing>\r\n"); |
d3372da9 |
3455 | fclose(fs); |
3456 | } |
3457 | |
3458 | static void updatexmlbz2list(void) |
3459 | { |
3460 | int err, fd; |
3461 | FILE *in; |
3462 | FILE *real; |
3463 | BZFILE *out; |
3464 | char buf[1024]; |
3465 | size_t bufdata; |
3466 | |
3467 | if(xmllistname == NULL) |
3468 | return; |
3469 | if((in = fopen(xmllistname, "r")) == NULL) |
3470 | { |
3471 | flog(LOG_WARNING, "could not open XML file list for bzipping: %s", strerror(errno)); |
3472 | return; |
3473 | } |
3474 | if(xmlbz2listname != NULL) |
3475 | { |
3476 | unlink(xmlbz2listname); |
3477 | free(xmlbz2listname); |
3478 | } |
3479 | xmlbz2listname = sstrdup("/tmp/dc-filelist-dcxmlbz2-XXXXXX"); |
3480 | if((fd = mkstemp(xmlbz2listname)) < 0) |
3481 | { |
3482 | flog(LOG_WARNING, "could not create bzipped XML file list tempfile: %s", strerror(errno)); |
3483 | free(xmlbz2listname); |
3484 | xmlbz2listname = NULL; |
3485 | fclose(in); |
3486 | return; |
3487 | } |
3488 | if((real = fdopen(fd, "w")) == NULL) |
3489 | { |
3490 | flog(LOG_WARNING, "could not fdopen bzipped XML list fd %i: %s", fd, strerror(errno)); |
3491 | close(fd); |
3492 | unlink(xmlbz2listname); |
3493 | free(xmlbz2listname); |
3494 | xmlbz2listname = NULL; |
3495 | fclose(in); |
3496 | return; |
3497 | } |
3498 | out = BZ2_bzWriteOpen(&err, real, 9, 0, 0); |
3499 | if(err != BZ_OK) |
3500 | { |
3501 | flog(LOG_WARNING, "could not open bzip2 stream from XML list"); |
3502 | fclose(real); |
3503 | unlink(xmlbz2listname); |
3504 | free(xmlbz2listname); |
3505 | xmlbz2listname = NULL; |
3506 | fclose(in); |
3507 | return; |
3508 | } |
3509 | while(!feof(in)) |
3510 | { |
3511 | bufdata = fread(buf, 1, sizeof(buf), in); |
3512 | BZ2_bzWrite(&err, out, buf, bufdata); |
3513 | } |
3514 | fclose(in); |
3515 | BZ2_bzWriteClose(&err, out, 0, NULL, NULL); |
3516 | fclose(real); |
3517 | } |
3518 | |
6305c428 |
3519 | static void listtimercb(int cancelled, void *uudata) |
3520 | { |
3521 | listwritetimer = NULL; |
3522 | if(!cancelled) |
3523 | updatelists(1); |
3524 | } |
3525 | |
3526 | static void updatelists(int now) |
d3372da9 |
3527 | { |
000ca725 |
3528 | if((hmlistname == NULL) || (xmllistname == NULL) || (xmlbz2listname == NULL)) |
3529 | now = 1; |
6305c428 |
3530 | if(!now) |
3531 | { |
3532 | if(listwritetimer == NULL) |
3533 | listwritetimer = timercallback(ntime() + 300, listtimercb, NULL); |
3534 | return; |
3535 | } |
3536 | if(listwritetimer != NULL) |
3537 | canceltimer(listwritetimer); |
d3372da9 |
3538 | updatehmlist(); |
3539 | updatexmllist(); |
3540 | updatexmlbz2list(); |
6305c428 |
3541 | } |
3542 | |
3543 | static int shareupdate(unsigned long long uusharesize, void *data) |
3544 | { |
3545 | updatelists(0); |
d3372da9 |
3546 | return(0); |
3547 | } |
3548 | |
3549 | static void dispatchcommand(struct qcommand *qcmd, struct command *cmdlist, struct socket *sk, void *data) |
3550 | { |
3551 | char *p; |
3552 | struct command *cmd; |
3553 | |
3554 | if((p = strchr(qcmd->string, ' ')) != NULL) |
3555 | *(p++) = 0; |
3556 | for(cmd = cmdlist; cmd->handler != NULL; cmd++) |
3557 | { |
3558 | if(!strcmp(cmd->name, qcmd->string)) |
3559 | break; |
3560 | } |
3561 | if(cmd->handler != NULL) |
3562 | cmd->handler(sk, data, qcmd->string, p); |
3563 | /* |
3564 | else |
3565 | flog(LOG_DEBUG, "Unimplemented DC command: %s \"%s\"", qcmd->string, p?p:"noargs"); |
3566 | */ |
3567 | } |
3568 | |
3569 | static int run(void) |
3570 | { |
3571 | struct fnetnode *fn, *nextfn; |
3572 | struct dchub *hub; |
3573 | struct dcpeer *peer, *nextpeer; |
3574 | struct qcommand *qcmd; |
3575 | int ret; |
3576 | |
3577 | ret = 0; |
3578 | for(fn = fnetnodes; fn != NULL; fn = nextfn) |
3579 | { |
3580 | nextfn = fn->next; |
3581 | if(fn->fnet != &dcnet) |
3582 | continue; |
3583 | if(fn->data == NULL) |
3584 | continue; |
3585 | hub = (struct dchub *)fn->data; |
3586 | if((qcmd = ulqcmd(&hub->queue)) != NULL) |
3587 | { |
3588 | if(*qcmd->string == '$') |
3589 | { |
3590 | if((fn->sk != NULL) && (fn->sk->state == SOCK_EST)) |
3591 | dispatchcommand(qcmd, hubcmds, fn->sk, fn); |
3592 | } else if(*qcmd->string != 0) { |
3593 | hubrecvchat(fn->sk, fn, NULL, qcmd->string); |
3594 | } |
3595 | freeqcmd(qcmd); |
3596 | ret = 1; |
3597 | break; |
3598 | } |
3599 | } |
3600 | for(peer = peers; peer != NULL; peer = nextpeer) |
3601 | { |
3602 | nextpeer = peer->next; |
3603 | if((qcmd = ulqcmd(&peer->queue)) != NULL) |
3604 | { |
1e9d82b1 |
3605 | if(peer->timeout != NULL) |
3606 | canceltimer(peer->timeout); |
3607 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 |
3608 | if(*qcmd->string == '$') |
3609 | dispatchcommand(qcmd, peercmds, peer->sk, peer); |
3610 | freeqcmd(qcmd); |
3611 | ret = 1; |
3612 | break; |
3613 | } |
3614 | } |
3615 | return(ret); |
3616 | } |
3617 | |
3618 | static void preinit(int hup) |
3619 | { |
3620 | if(hup) |
3621 | return; |
3622 | regfnet(&dcnet); |
3623 | } |
3624 | |
3625 | static int updateudpport(struct configvar *var, void *uudata) |
3626 | { |
3627 | struct sockaddr_in addr; |
3628 | struct socket *newsock; |
3629 | |
3630 | memset(&addr, 0, sizeof(addr)); |
3631 | addr.sin_family = AF_INET; |
3632 | addr.sin_port = htons(var->val.num); |
3633 | if((newsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) |
3634 | { |
3635 | flog(LOG_WARNING, "could not create new DC UDP socket, reverting to old: %s", strerror(errno)); |
3636 | return(0); |
3637 | } |
3638 | newsock->readcb = udpread; |
3639 | if(udpsock != NULL) |
3640 | putsock(udpsock); |
3641 | udpsock = newsock; |
3642 | return(0); |
3643 | } |
3644 | |
3645 | static int updatetcpport(struct configvar *var, void *uudata) |
3646 | { |
3647 | struct sockaddr_in addr; |
3648 | struct socket *newsock; |
3649 | |
3650 | memset(&addr, 0, sizeof(addr)); |
3651 | addr.sin_family = AF_INET; |
3652 | addr.sin_port = htons(var->val.num); |
3653 | if((newsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) |
3654 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); |
3655 | if(tcpsock != NULL) |
3656 | putsock(tcpsock); |
3657 | tcpsock = newsock; |
3658 | return(0); |
3659 | } |
3660 | |
3661 | static int init(int hup) |
3662 | { |
3663 | struct sockaddr_in addr; |
3664 | |
3665 | if(!hup) |
3666 | { |
3667 | GCBREG(sharechangecb, shareupdate, NULL); |
3668 | if(udpsock != NULL) |
3669 | putsock(udpsock); |
3670 | if(tcpsock != NULL) |
3671 | putsock(tcpsock); |
3672 | addr.sin_family = AF_INET; |
3673 | memset(&addr.sin_addr, 0, sizeof(addr.sin_addr)); |
3674 | addr.sin_port = htons(confgetint("dc", "udpport")); |
3675 | if((udpsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) |
3676 | { |
3677 | flog(LOG_CRIT, "could not create DC UDP socket: %s", strerror(errno)); |
3678 | return(1); |
3679 | } |
3680 | udpsock->readcb = udpread; |
3681 | addr.sin_port = htons(confgetint("dc", "tcpport")); |
3682 | if((tcpsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) |
3683 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); |
3684 | CBREG(confgetvar("dc", "udpport"), conf_update, updateudpport, NULL, NULL); |
3685 | CBREG(confgetvar("dc", "tcpport"), conf_update, updatetcpport, NULL, NULL); |
3686 | CBREG(confgetvar("net", "mode"), conf_update, updatetcpport, NULL, NULL); |
3687 | } |
3688 | return(0); |
3689 | } |
3690 | |
3691 | static void terminate(void) |
3692 | { |
3693 | if(hmlistname != NULL) |
3694 | { |
3695 | unlink(hmlistname); |
3696 | free(hmlistname); |
3697 | } |
3698 | if(xmllistname != NULL) |
3699 | { |
3700 | unlink(xmllistname); |
3701 | free(xmllistname); |
3702 | } |
3703 | if(xmlbz2listname != NULL) |
3704 | { |
3705 | unlink(xmlbz2listname); |
3706 | free(xmlbz2listname); |
3707 | } |
3708 | } |
3709 | |
3710 | static struct configvar myvars[] = |
3711 | { |
3712 | {CONF_VAR_STRING, "desc", {.str = L""}}, |
3713 | {CONF_VAR_STRING, "speedstring", {.str = L"LAN(T1)"}}, |
3714 | {CONF_VAR_STRING, "email", {.str = L"spam@spam.org"}}, |
3715 | {CONF_VAR_INT, "udpport", {.num = 0}}, |
3716 | {CONF_VAR_INT, "tcpport", {.num = 0}}, |
1c4b02cd |
3717 | {CONF_VAR_BOOL, "dcppemu", {.num = 0}}, |
d3372da9 |
3718 | {CONF_VAR_END} |
3719 | }; |
3720 | |
3721 | static struct module me = |
3722 | { |
3723 | .conf = |
3724 | { |
3725 | .vars = myvars |
3726 | }, |
3727 | .preinit = preinit, |
3728 | .init = init, |
3729 | .run = run, |
3730 | .terminate = terminate, |
3731 | .name = "dc" |
3732 | }; |
3733 | |
3734 | MODULE(me) |