Commit | Line | Data |
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d3372da9 | 1 | /* |
2 | * Dolda Connect - Modular multiuser Direct Connect-style client | |
302a2600 | 3 | * Copyright (C) 2004 Fredrik Tolf <fredrik@dolda2000.com> |
d3372da9 | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | #include <stdlib.h> | |
20 | #include <stdio.h> | |
21 | #include <wchar.h> | |
d3372da9 | 22 | #include <unistd.h> |
23 | #include <fcntl.h> | |
24 | #include <string.h> | |
25 | #include <netinet/in.h> | |
26 | #include <arpa/inet.h> | |
d3372da9 | 27 | #include <wctype.h> |
28 | #include <time.h> | |
29 | #include <errno.h> | |
30 | #include <bzlib.h> | |
31 | #include <zlib.h> | |
32 | #include <sys/stat.h> | |
f9455250 | 33 | #include <stdint.h> |
d3372da9 | 34 | |
35 | #ifdef HAVE_CONFIG_H | |
36 | #include <config.h> | |
37 | #endif | |
38 | #include "filenet.h" | |
39 | #include "log.h" | |
40 | #include "module.h" | |
41 | #include "utils.h" | |
42 | #include "client.h" | |
43 | #include "transfer.h" | |
44 | #include "sysevents.h" | |
45 | #include "net.h" | |
8b17e919 | 46 | #include <tiger.h> |
d3372da9 | 47 | |
48 | /* | |
49 | * The Direct Connect protocol is extremely ugly. Thus, this code must | |
50 | * also be a bit ugly in certain places. Please forgive me. =/ | |
51 | * | |
52 | * This also means that there might be some pieces of the code that | |
53 | * look completely illogical to you, and you think that you may make | |
54 | * them much neater/better. However, in many cases it might just be | |
55 | * that it's required to cope with some oddity of the protocol, such | |
56 | * as the amazingly ugly delayed key response in the peer protocol. | |
57 | */ | |
58 | ||
59 | /* I assume this is the correct character set to use for DC, | |
60 | * considering it was developed without i18n support under Windows */ | |
61 | #define DCCHARSET "windows-1252" | |
62 | ||
d3372da9 | 63 | #define PEER_CMD 0 |
9a2d6cb8 | 64 | #define PEER_STOP 1 |
65 | #define PEER_TRNS 2 | |
66 | #define PEER_SYNC 3 | |
67 | #define PEER_TTHL 4 | |
d3372da9 | 68 | |
69 | #define CPRS_NONE 0 | |
70 | #define CPRS_ZLIB 1 | |
71 | ||
72 | struct command | |
73 | { | |
74 | char *name; | |
75 | void (*handler)(struct socket *sk, void *data, char *cmd, char *args); | |
9a2d6cb8 | 76 | int stop; |
8cb2d75b | 77 | int limit; |
d3372da9 | 78 | }; |
79 | ||
80 | struct qcommand | |
81 | { | |
82 | struct qcommand *next; | |
83 | char *string; | |
84 | }; | |
85 | ||
c256f071 FT |
86 | struct qcmdqueue |
87 | { | |
88 | struct qcommand *f, *l; | |
8cb2d75b | 89 | int size; |
c256f071 FT |
90 | }; |
91 | ||
d3372da9 | 92 | struct dchub |
93 | { | |
ffa81d5f | 94 | struct socket *sk; |
d3372da9 | 95 | char *inbuf; |
96 | size_t inbufdata, inbufsize; | |
c256f071 | 97 | struct qcmdqueue queue; |
1c4b02cd | 98 | int extended, dcppemu; |
1d85f24b | 99 | char *charset; |
d3372da9 | 100 | char *nativename; |
101 | char *nativenick; | |
08b74f8c | 102 | char **supports; |
d3372da9 | 103 | }; |
104 | ||
105 | struct dcexppeer | |
106 | { | |
107 | struct dcexppeer *next, *prev; | |
108 | char *nick; | |
109 | struct fnetnode *fn; | |
110 | struct timer *expire; | |
111 | }; | |
112 | ||
113 | struct dcpeer | |
114 | { | |
115 | struct dcpeer *next, *prev; | |
116 | struct socket *sk; | |
117 | struct fnetnode *fn; | |
118 | char *inbuf; | |
119 | size_t inbufdata, inbufsize; | |
dcf7a1a2 | 120 | off_t curread, totalsize; |
2bf4942d | 121 | int close; |
1e9d82b1 | 122 | struct timer *timeout; |
c256f071 | 123 | struct qcmdqueue queue; |
d3372da9 | 124 | struct transfer *transfer; |
1ce5968e | 125 | struct socket *trpipe; |
d3372da9 | 126 | int state; |
127 | int ptclose; /* Close after transfer is complete */ | |
128 | int accepted; /* If false, we connected, otherwise, we accepted */ | |
1c4b02cd | 129 | int extended, dcppemu; |
d3372da9 | 130 | int direction; /* Using the constants from transfer.h */ |
131 | int compress; | |
df873cd0 | 132 | int hascurpos, fetchingtthl, notthl; |
9a2d6cb8 | 133 | struct tigertreehash tth; |
1d85f24b | 134 | char *charset; |
d3372da9 | 135 | void *cprsdata; |
d3372da9 | 136 | char *key; |
137 | char *nativename; | |
138 | char **supports; | |
139 | wchar_t *wcsname; | |
140 | }; | |
141 | ||
142 | static struct fnet dcnet; | |
d3372da9 | 143 | static struct socket *udpsock = NULL; |
d1ef0200 | 144 | static struct lport *tcpsock = NULL; |
d3372da9 | 145 | static struct dcpeer *peers = NULL; |
146 | int numdcpeers = 0; | |
147 | static struct dcexppeer *expected = NULL; | |
148 | static char *hmlistname = NULL; | |
149 | static char *xmllistname = NULL; | |
150 | static char *xmlbz2listname = NULL; | |
6305c428 | 151 | static struct timer *listwritetimer = NULL; |
d3372da9 | 152 | |
1ce5968e | 153 | static struct socket *mktrpipe(struct dcpeer *peer); |
cab0b442 | 154 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn); |
d3372da9 | 155 | static void freedcpeer(struct dcpeer *peer); |
cab0b442 | 156 | static void transread(struct socket *sk, struct dcpeer *peer); |
157 | static void transerr(struct socket *sk, int err, struct dcpeer *peer); | |
158 | static void transwrite(struct socket *sk, struct dcpeer *peer); | |
d3372da9 | 159 | static void updatehmlist(void); |
160 | static void updatexmllist(void); | |
161 | static void updatexmlbz2list(void); | |
9a2d6cb8 | 162 | static void requestfile(struct dcpeer *peer); |
6305c428 | 163 | static void updatelists(int now); |
c3d01fa9 | 164 | static int trdestroycb(struct transfer *transfer, struct dcpeer *peer); |
d3372da9 | 165 | |
166 | static int reservedchar(unsigned char c) | |
167 | { | |
168 | return((c == 0) || (c == 5) || (c == 124) || (c == 96) || (c == 126) || (c == 36)); | |
169 | } | |
170 | ||
171 | /* Oh, how I despise having to do this... */ | |
172 | static char *dcmakekey(char *lock) | |
173 | { | |
174 | int i, len, offset; | |
175 | char *buf, *key; | |
176 | char save; | |
177 | ||
178 | buf = smalloc(strlen(lock)); | |
179 | save = 5; | |
180 | len = 0; | |
181 | for(i = 0; lock[i]; i++) | |
182 | { | |
183 | buf[i] = lock[i] ^ save; | |
184 | buf[i] = ((buf[i] & 0x0F) << 4) | ((buf[i] & 0xF0) >> 4); | |
185 | save = lock[i]; | |
186 | if((i != 0) && reservedchar(buf[i])) | |
187 | len += 10; | |
188 | else | |
189 | len++; | |
190 | } | |
191 | buf[0] ^= buf[i - 1]; | |
192 | if(reservedchar(buf[0])) | |
193 | len += 10; | |
194 | else | |
195 | len++; | |
196 | key = smalloc(len + 1); | |
197 | offset = 0; | |
198 | for(i = 0; lock[i] != 0; i++) | |
199 | { | |
200 | if(reservedchar(buf[i])) | |
201 | offset += sprintf(key + offset, "/%%DCN%03i%%/", buf[i]); | |
202 | else | |
203 | key[offset++] = buf[i]; | |
204 | } | |
205 | key[offset] = 0; | |
206 | free(buf); | |
207 | return(key); | |
208 | } | |
209 | ||
040118de | 210 | static wchar_t *nmdc2path(char *nmdc, char *charset) |
9a2d6cb8 | 211 | { |
040118de | 212 | wchar_t *ret, *p; |
9a2d6cb8 | 213 | |
040118de FT |
214 | if((ret = icmbstowcs(nmdc, charset)) == NULL) |
215 | return(NULL); | |
216 | for(p = ret; *p != L'\0'; p++) { | |
217 | if(*p == L'\\') | |
218 | *p = L'/'; | |
9a2d6cb8 | 219 | } |
9a2d6cb8 | 220 | return(ret); |
221 | } | |
222 | ||
040118de FT |
223 | static char *path2nmdc(wchar_t *path, char *charset) |
224 | { | |
225 | char *ret, *p; | |
226 | ||
227 | if((ret = icwcstombs(path, charset)) == NULL) | |
228 | return(NULL); | |
229 | for(p = ret; *p; p++) { | |
230 | if(*p == '/') | |
231 | *p = '\\'; | |
232 | } | |
233 | return(ret); | |
234 | } | |
235 | ||
236 | static wchar_t *adc2path(char *adc) | |
237 | { | |
238 | return(icmbstowcs(adc, "UTF-8")); | |
239 | } | |
240 | ||
241 | static char *path2adc(wchar_t *path) | |
242 | { | |
243 | return(icwcstombs(path, "UTF-8")); | |
244 | } | |
245 | ||
9a2d6cb8 | 246 | static int isdchash(struct hash *hash) |
247 | { | |
248 | if(wcscmp(hash->algo, L"TTH")) | |
249 | return(0); | |
250 | if(hash->len != 24) | |
251 | return(0); | |
252 | return(1); | |
253 | } | |
254 | ||
08b74f8c FT |
255 | /* |
256 | * Uncomment when used! | |
257 | ||
258 | static int hubsupports(struct dchub *hub, char *cap) | |
259 | { | |
260 | char **p; | |
261 | ||
262 | if(hub->supports == NULL) | |
263 | return(0); | |
264 | for(p = hub->supports; *p != NULL; p++) | |
265 | { | |
266 | if(!strcasecmp(*p, cap)) | |
267 | return(1); | |
268 | } | |
269 | return(0); | |
270 | } | |
271 | */ | |
272 | ||
9a2d6cb8 | 273 | static int supports(struct dcpeer *peer, char *cap) |
274 | { | |
275 | char **p; | |
276 | ||
277 | if(peer->supports == NULL) | |
278 | return(0); | |
279 | for(p = peer->supports; *p != NULL; p++) | |
280 | { | |
281 | if(!strcasecmp(*p, cap)) | |
282 | return(1); | |
283 | } | |
284 | return(0); | |
285 | } | |
286 | ||
d3372da9 | 287 | static void endcompress(struct dcpeer *peer) |
288 | { | |
289 | if(peer->compress == CPRS_ZLIB) | |
290 | { | |
291 | deflateEnd(peer->cprsdata); | |
292 | free(peer->cprsdata); | |
293 | } | |
294 | peer->compress = CPRS_NONE; | |
295 | } | |
296 | ||
297 | static void initcompress(struct dcpeer *peer, int algo) | |
298 | { | |
299 | int ret; | |
300 | ||
301 | endcompress(peer); | |
302 | peer->compress = algo; | |
303 | if(algo == CPRS_ZLIB) | |
304 | { | |
305 | peer->cprsdata = smalloc(sizeof(z_stream)); | |
306 | memset(peer->cprsdata, 0, sizeof(z_stream)); | |
307 | if((ret = deflateInit(peer->cprsdata, 3)) != Z_OK) | |
308 | { | |
309 | flog(LOG_CRIT, "Aiya! zlib refuses to init (%i)!", ret); | |
310 | abort(); | |
311 | } | |
312 | } | |
313 | } | |
314 | ||
315 | static void unquote(wchar_t *in) | |
316 | { | |
317 | wchar_t *p, *p2, nc; | |
318 | ||
319 | for(p = in; *p != L'\0'; p++) | |
320 | { | |
321 | if(*p == L'&') | |
322 | { | |
323 | for(p2 = p + 1; (*p2 != L'\0') && (*p2 != L';') && (*p2 != L'&'); p2++); | |
324 | if(*p2 == L'&') | |
325 | continue; | |
326 | if(*p2 == L'\0') | |
327 | return; | |
328 | *p2 = L'\0'; | |
329 | nc = L'\0'; | |
330 | if(!wcscmp(p + 1, L"amp")) | |
331 | { | |
332 | nc = L'&'; | |
333 | } else if(p[1] == L'#') { | |
334 | nc = ucptowc(wcstol(p + 2, NULL, 10)); | |
335 | } | |
336 | if(nc == L'\0') | |
337 | { | |
338 | *p2 = L';'; | |
339 | p = p2; | |
340 | continue; | |
341 | } | |
342 | *p = nc; | |
343 | memmove(p + 1, p2 + 1, (wcslen(p2 + 1) + 1) * sizeof(wchar_t)); | |
344 | } | |
345 | } | |
346 | } | |
347 | ||
348 | static void freeexppeer(struct dcexppeer *ep) | |
349 | { | |
350 | if(ep->next != NULL) | |
351 | ep->next->prev = ep->prev; | |
352 | if(ep->prev != NULL) | |
353 | ep->prev->next = ep->next; | |
354 | if(ep == expected) | |
355 | expected = ep->next; | |
356 | free(ep->nick); | |
357 | putfnetnode(ep->fn); | |
358 | if(ep->expire != NULL) | |
359 | canceltimer(ep->expire); | |
360 | free(ep); | |
361 | } | |
362 | ||
363 | static void exppeerexpire(int cancelled, struct dcexppeer *ep) | |
364 | { | |
365 | ep->expire = NULL; | |
366 | if(!cancelled) | |
367 | freeexppeer(ep); | |
368 | } | |
369 | ||
370 | static struct dcexppeer *expectpeer(char *nick, struct fnetnode *fn) | |
371 | { | |
372 | struct dcexppeer *ep; | |
373 | ||
374 | ep = smalloc(sizeof(*ep)); | |
375 | ep->nick = sstrdup(nick); | |
376 | getfnetnode(ep->fn = fn); | |
377 | ep->expire = timercallback(ntime() + 300, (void (*)(int, void *))exppeerexpire, ep); | |
378 | ep->next = expected; | |
379 | ep->prev = NULL; | |
380 | if(expected != NULL) | |
381 | expected->prev = ep; | |
382 | expected = ep; | |
383 | return(ep); | |
384 | } | |
385 | ||
c256f071 | 386 | static struct qcommand *newqcmd(struct qcmdqueue *queue, char *string) |
d3372da9 | 387 | { |
388 | struct qcommand *new; | |
389 | ||
d3372da9 | 390 | new = smalloc(sizeof(*new)); |
391 | new->string = sstrdup(string); | |
c256f071 FT |
392 | new->next = NULL; |
393 | if(queue->l == NULL) | |
394 | queue->f = new; | |
395 | else | |
396 | queue->l->next = new; | |
397 | queue->l = new; | |
8cb2d75b | 398 | queue->size++; |
d3372da9 | 399 | return(new); |
400 | } | |
401 | ||
c256f071 | 402 | static struct qcommand *ulqcmd(struct qcmdqueue *queue) |
d3372da9 | 403 | { |
404 | struct qcommand *qcmd; | |
405 | ||
c256f071 | 406 | if((qcmd = queue->f) == NULL) |
d3372da9 | 407 | return(NULL); |
c256f071 FT |
408 | if((queue->f = qcmd->next) == NULL) |
409 | queue->l = NULL; | |
8cb2d75b | 410 | queue->size--; |
d3372da9 | 411 | return(qcmd); |
412 | } | |
413 | ||
414 | static void freeqcmd(struct qcommand *qcmd) | |
415 | { | |
416 | free(qcmd->string); | |
417 | free(qcmd); | |
418 | } | |
419 | ||
420 | static void hubrecvchat(struct socket *sk, struct fnetnode *fn, char *from, char *string) | |
421 | { | |
422 | wchar_t *chat, *wfrom, *wpeer; | |
423 | char *p, *end; | |
424 | struct fnetpeer *peer; | |
1d85f24b | 425 | struct dchub *hub; |
d3372da9 | 426 | |
1d85f24b | 427 | hub = fn->data; |
d3372da9 | 428 | end = string + strlen(string); |
429 | while((p = strchr(string, 13)) != NULL) | |
430 | memmove(p, p + 1, (end-- - p)); | |
431 | if(from != NULL) | |
432 | { | |
433 | if((strlen(string) > strlen(from) + 2) && (*string == '<') && !memcmp(string + 1, from, strlen(from)) && (*(string + strlen(from) + 1) == '>')) | |
434 | string += strlen(from) + 2; | |
1d85f24b | 435 | if((wfrom = icmbstowcs(from, hub->charset)) == NULL) |
d3372da9 | 436 | return; |
437 | wpeer = swcsdup(wfrom); | |
438 | } else { | |
439 | wfrom = NULL; | |
440 | wpeer = NULL; | |
441 | if(*string == '<') | |
442 | { | |
443 | for(p = string + 1; *p; p++) | |
444 | { | |
445 | if((*p == ' ') || (*p == '>')) | |
446 | break; | |
447 | } | |
448 | if(*p == '>') | |
449 | { | |
450 | *(p++) = 0; | |
451 | if(*p == ' ') | |
452 | p++; | |
1d85f24b | 453 | if((wpeer = icmbstowcs(string + 1, hub->charset)) == NULL) |
d3372da9 | 454 | return; |
455 | string = p; | |
456 | } | |
457 | } | |
458 | if(wpeer == NULL) | |
459 | wpeer = swcsdup(L""); | |
460 | } | |
1d85f24b | 461 | if((chat = icmbstowcs(string, hub->charset)) == NULL) |
d3372da9 | 462 | { |
463 | if(wfrom != NULL) | |
464 | free(wfrom); | |
465 | free(wpeer); | |
466 | return; | |
467 | } | |
468 | unquote(chat); | |
469 | if(wfrom != NULL) | |
470 | { | |
471 | if((peer = fnetfindpeer(fn, wfrom)) == NULL) /* Assume public chat */ | |
472 | fnethandlechat(fn, 1, wfrom, wpeer, chat); | |
473 | else | |
474 | fnethandlechat(fn, 0, wfrom, wpeer, chat); | |
475 | } else { | |
476 | fnethandlechat(fn, 1, L"", wpeer, chat); | |
477 | } | |
478 | if(wfrom != NULL) | |
479 | free(wfrom); | |
480 | free(wpeer); | |
481 | free(chat); | |
482 | } | |
483 | ||
1e9d82b1 | 484 | static void peertimeout(int cancelled, struct dcpeer *peer) |
485 | { | |
486 | peer->timeout = NULL; | |
487 | if(cancelled) | |
488 | return; | |
489 | freedcpeer(peer); | |
490 | } | |
491 | ||
d3372da9 | 492 | static void sendadc(struct socket *sk, char *arg) |
493 | { | |
494 | char *buf; | |
495 | size_t bufsize, bufdata; | |
496 | ||
497 | buf = NULL; | |
498 | bufsize = bufdata = 0; | |
499 | addtobuf(buf, ' '); | |
500 | for(; *arg; arg++) | |
501 | { | |
502 | if(*arg == ' ') | |
503 | { | |
504 | bufcat(buf, "\\s", 2); | |
505 | } else if(*arg == '\n') { | |
506 | bufcat(buf, "\\n", 2); | |
507 | } else if(*arg == '\\') { | |
508 | bufcat(buf, "\\\\", 2); | |
509 | } else { | |
510 | addtobuf(buf, *arg); | |
511 | } | |
512 | } | |
513 | sockqueue(sk, buf, bufdata); | |
514 | free(buf); | |
515 | } | |
516 | ||
dcf7a1a2 FT |
517 | #if defined(__GNUC__) |
518 | static void __attribute__ ((format (printf, 2, 3))) sendadcf(struct socket *sk, char *arg, ...) | |
519 | #else | |
520 | static void sendadcf(struct socket *sk, char *arg, ...) | |
521 | #endif | |
d3372da9 | 522 | { |
523 | char *buf; | |
524 | va_list args; | |
525 | ||
526 | va_start(args, arg); | |
527 | buf = vsprintf2(arg, args); | |
528 | va_end(args); | |
529 | if(buf == NULL) | |
530 | return; | |
531 | sendadc(sk, buf); | |
532 | free(buf); | |
533 | } | |
534 | ||
535 | static char **parseadc(char *args) | |
536 | { | |
537 | char **retbuf; | |
538 | size_t retbufsize, retbufdata; | |
539 | char *buf; | |
540 | size_t bufsize, bufdata; | |
541 | int state; | |
542 | ||
543 | retbuf = NULL; | |
544 | buf = NULL; | |
545 | retbufsize = retbufdata = bufsize = bufdata = 0; | |
546 | state = 0; | |
547 | while(state != 3) | |
548 | { | |
549 | switch(state) | |
550 | { | |
551 | case 0: | |
552 | if(*args == 0) | |
553 | state = 3; | |
554 | else if(*args != ' ') | |
555 | state = 1; | |
556 | break; | |
557 | case 1: | |
558 | if((*args == ' ') || (*args == 0)) | |
559 | { | |
560 | addtobuf(buf, 0); | |
561 | addtobuf(retbuf, buf); | |
562 | buf = NULL; | |
563 | bufsize = bufdata = 0; | |
564 | if(*args == 0) | |
565 | state = 3; | |
566 | } else if(*args == '\\') { | |
567 | state = 2; | |
568 | } else { | |
569 | addtobuf(buf, *args); | |
570 | } | |
571 | args++; | |
572 | break; | |
573 | case 2: | |
574 | if(*args == 0) | |
575 | { | |
576 | if(buf != NULL) | |
577 | free(buf); | |
578 | addtobuf(retbuf, NULL); | |
579 | freeparr(retbuf); | |
580 | return(NULL); | |
f24d5cfb | 581 | } else if((*args == 's') || (*args == ' ')) { |
d3372da9 | 582 | addtobuf(buf, ' '); |
583 | } else if(*args == 'n') { | |
584 | addtobuf(buf, '\n'); | |
585 | } else if(*args == '\\') { | |
586 | addtobuf(buf, '\\'); | |
587 | } | |
a478552c | 588 | args++; |
d3372da9 | 589 | state = 1; |
a478552c | 590 | break; |
d3372da9 | 591 | } |
592 | } | |
593 | if(buf != NULL) | |
594 | free(buf); | |
595 | addtobuf(retbuf, NULL); | |
596 | return(retbuf); | |
597 | } | |
598 | ||
599 | /* Macros useful in command handlers */ | |
600 | #define skipspace(s) ({if(((s) = strchr((s), ' ')) == NULL) return; else (s)++;}) | |
601 | #define qstr(sk, str) sockqueue(sk, str, strlen(str)) | |
602 | #define qstrf(sk, strandargs...) \ | |
603 | do { \ | |
604 | char *__buf__; \ | |
605 | if((__buf__ = sprintf2(strandargs)) != NULL) { \ | |
606 | sockqueue(sk, __buf__, strlen(__buf__)); \ | |
607 | free(__buf__); \ | |
608 | } \ | |
609 | } while(0) | |
610 | ||
611 | static char *tr(char *str, char *trans) | |
612 | { | |
613 | char *p; | |
614 | ||
615 | for(; *trans; trans += 2) | |
616 | { | |
617 | for(p = strchr(str, trans[0]); p != NULL; p = strchr(p, trans[0])) | |
618 | *p = trans[1]; | |
619 | } | |
620 | return(str); | |
621 | } | |
622 | ||
9a2d6cb8 | 623 | static char *getadcid(struct dcpeer *peer) |
624 | { | |
625 | char *buf; | |
626 | char *ret; | |
d57f938a | 627 | int isfilelist; |
9a2d6cb8 | 628 | |
2a157d1a | 629 | isfilelist = 0; |
d57f938a | 630 | if(!wcscmp(peer->transfer->path, L"files.xml") || !wcscmp(peer->transfer->path, L"files.xml.bz2") || !wcscmp(peer->transfer->path, L"MyList.DcLst")) |
631 | isfilelist = 1; | |
632 | if(!isfilelist && (peer->transfer->hash != NULL) && isdchash(peer->transfer->hash) && supports(peer, "tthf")) | |
9a2d6cb8 | 633 | { |
634 | buf = base32encode(peer->transfer->hash->buf, 24); | |
635 | ret = sprintf2("TTH/%.39s", buf); | |
636 | free(buf); | |
637 | } else { | |
040118de | 638 | ret = path2adc(peer->transfer->path); |
9a2d6cb8 | 639 | } |
640 | return(ret); | |
641 | } | |
642 | ||
643 | ||
d3372da9 | 644 | static int trresumecb(struct transfer *transfer, wchar_t *cmd, wchar_t *arg, struct dcpeer *peer) |
645 | { | |
646 | if(!wcscmp(cmd, L"resume")) | |
647 | { | |
648 | if(arg == NULL) | |
649 | { | |
650 | flog(LOG_WARNING, "filter returned no position for \"resume\" on transfer %i", transfer->id); | |
651 | freedcpeer(peer); | |
652 | } else { | |
349c52a9 | 653 | transfer->curpos = wcstoll(arg, NULL, 10); |
9a2d6cb8 | 654 | peer->hascurpos = 1; |
655 | requestfile(peer); | |
d3372da9 | 656 | } |
d3372da9 | 657 | return(1); |
658 | } | |
659 | return(0); | |
660 | } | |
661 | ||
9a2d6cb8 | 662 | static void sendmynick(struct dcpeer *peer) |
d3372da9 | 663 | { |
1d85f24b | 664 | struct fnetnode *fn; |
d3372da9 | 665 | |
1d85f24b | 666 | fn = peer->fn; |
667 | if(fn == NULL) | |
668 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), peer->charset, "DoldaConnectUser-IN")); | |
9a2d6cb8 | 669 | else |
1d85f24b | 670 | qstrf(peer->sk, "$MyNick %s|", icswcstombs(fn->mynick, peer->charset, "DoldaConnectUser-IN")); |
9a2d6cb8 | 671 | } |
672 | ||
673 | static void sendpeerlock(struct dcpeer *peer) | |
674 | { | |
1c4b02cd | 675 | if(peer->dcppemu) |
676 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|"); | |
677 | else | |
678 | qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION); | |
9a2d6cb8 | 679 | } |
680 | ||
681 | static void sendsupports(struct dcpeer *peer) | |
682 | { | |
4b544330 | 683 | if(peer->dcppemu) { |
1c4b02cd | 684 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |"); |
4b544330 FT |
685 | } else { |
686 | qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF"); | |
687 | if(!confgetint("dc", "hidedeflate")) | |
688 | qstr(peer->sk, " GetZBlock ZLIG"); | |
689 | qstr(peer->sk, "|"); | |
690 | } | |
9a2d6cb8 | 691 | } |
692 | ||
693 | static void requestfile(struct dcpeer *peer) | |
694 | { | |
695 | char *buf; | |
696 | ||
697 | if(peer->transfer->size == -1) | |
d3372da9 | 698 | { |
1d85f24b | 699 | /* Use DCCHARSET for $Get paths until further researched... */ |
040118de | 700 | if((buf = path2nmdc(peer->transfer->path, DCCHARSET)) == NULL) |
d3372da9 | 701 | { |
9a2d6cb8 | 702 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
2bf4942d | 703 | peer->close = 1; |
d3372da9 | 704 | return; |
705 | } | |
9a2d6cb8 | 706 | /* The transfer will be restarted later from |
707 | * cmd_filelength when it detects that the sizes | |
708 | * don't match. */ | |
709 | qstrf(peer->sk, "$Get %s$1|", buf); | |
040118de | 710 | free(buf); |
9a2d6cb8 | 711 | return; |
d3372da9 | 712 | } |
9a2d6cb8 | 713 | if((peer->transfer->hash == NULL) && !peer->notthl) |
d3372da9 | 714 | { |
9a2d6cb8 | 715 | if(supports(peer, "adcget") && supports(peer, "tthl")) |
d3372da9 | 716 | { |
9a2d6cb8 | 717 | qstr(peer->sk, "$ADCGET"); |
718 | sendadc(peer->sk, "tthl"); | |
719 | if((buf = getadcid(peer)) == NULL) | |
d3372da9 | 720 | { |
9a2d6cb8 | 721 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
2bf4942d | 722 | peer->close = 1; |
d3372da9 | 723 | return; |
724 | } | |
9a2d6cb8 | 725 | sendadc(peer->sk, buf); |
726 | free(buf); | |
727 | sendadc(peer->sk, "0"); | |
728 | sendadc(peer->sk, "-1"); | |
729 | qstr(peer->sk, "|"); | |
df873cd0 | 730 | peer->fetchingtthl = 1; |
9a2d6cb8 | 731 | return; |
732 | } | |
733 | } | |
734 | if(!peer->hascurpos) | |
735 | { | |
736 | if(forkfilter(peer->transfer)) | |
737 | { | |
738 | flog(LOG_WARNING, "could not fork filter for transfer %i: %s", peer->transfer->id, strerror(errno)); | |
2bf4942d | 739 | peer->close = 1; |
9a2d6cb8 | 740 | return; |
d3372da9 | 741 | } |
9a2d6cb8 | 742 | return; |
743 | } | |
744 | if(supports(peer, "adcget")) | |
745 | { | |
746 | qstr(peer->sk, "$ADCGET"); | |
747 | sendadc(peer->sk, "file"); | |
748 | if((buf = getadcid(peer)) == NULL) | |
749 | { | |
750 | transferseterror(peer->transfer, TRNSE_NOTFOUND); | |
2bf4942d | 751 | peer->close = 1; |
9a2d6cb8 | 752 | return; |
753 | } | |
754 | sendadc(peer->sk, buf); | |
755 | free(buf); | |
dcf7a1a2 FT |
756 | sendadcf(peer->sk, "%ji", (intmax_t)peer->transfer->curpos); |
757 | sendadcf(peer->sk, "%ji", (intmax_t)(peer->transfer->size - peer->transfer->curpos)); | |
9a2d6cb8 | 758 | qstr(peer->sk, "|"); |
759 | } else if(supports(peer, "xmlbzlist")) { | |
040118de | 760 | if((buf = path2nmdc(peer->transfer->path, "UTF-8")) == NULL) |
9a2d6cb8 | 761 | { |
762 | transferseterror(peer->transfer, TRNSE_NOTFOUND); | |
2bf4942d | 763 | peer->close = 1; |
9a2d6cb8 | 764 | return; |
765 | } | |
dcf7a1a2 | 766 | qstrf(peer->sk, "$UGetBlock %ji %ji %s|", (intmax_t)peer->transfer->curpos, (intmax_t)(peer->transfer->size - peer->transfer->curpos), buf); |
040118de | 767 | free(buf); |
d3372da9 | 768 | } else { |
1d85f24b | 769 | /* Use DCCHARSET for $Get paths until further researched... */ |
040118de | 770 | if((buf = path2nmdc(peer->transfer->path, DCCHARSET)) == NULL) |
d3372da9 | 771 | { |
9a2d6cb8 | 772 | transferseterror(peer->transfer, TRNSE_NOTFOUND); |
2bf4942d | 773 | peer->close = 1; |
9a2d6cb8 | 774 | return; |
d3372da9 | 775 | } |
dcf7a1a2 | 776 | qstrf(peer->sk, "$Get %s$%ji|", buf, (intmax_t)peer->transfer->curpos + 1); |
040118de | 777 | free(buf); |
d3372da9 | 778 | } |
779 | } | |
780 | ||
781 | static void sendmyinfo(struct socket *sk, struct fnetnode *fn) | |
782 | { | |
783 | struct dchub *hub; | |
784 | char *buf; | |
785 | struct fnetnode *cfn; | |
69757b8c | 786 | int hn1, hn2, hn3; |
d3372da9 | 787 | |
788 | hub = fn->data; | |
789 | qstrf(sk, "$MyINFO $ALL %s ", hub->nativenick); | |
1d85f24b | 790 | buf = tr(icswcstombs(confgetstr("dc", "desc"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 | 791 | qstrf(sk, "%s", buf); |
69757b8c | 792 | hn1 = hn2 = hn3 = 0; |
d3372da9 | 793 | for(cfn = fnetnodes; cfn != NULL; cfn = cfn->next) |
794 | { | |
795 | if((cfn->state == FNN_EST) || (cfn->state == FNN_HS)) | |
69757b8c | 796 | { |
797 | if(cfn->regstatus == FNNS_OP) | |
798 | hn3++; | |
799 | else if(cfn->regstatus == FNNS_REG) | |
800 | hn2++; | |
801 | else | |
802 | hn1++; | |
803 | } | |
d3372da9 | 804 | } |
69757b8c | 805 | qstrf(sk, "<%s V:%s,M:%c,H:%i/%i/%i,S:%i>", |
1c4b02cd | 806 | (hub->dcppemu)?"++":"Dolda", |
807 | (hub->dcppemu)?"0.674":VERSION, | |
d3372da9 | 808 | (tcpsock == NULL)?'P':'A', |
69757b8c | 809 | hn1, hn2, hn3, |
d3372da9 | 810 | confgetint("transfer", "slots") |
811 | ); | |
812 | qstrf(sk, "$ $"); | |
1d85f24b | 813 | buf = tr(icswcstombs(confgetstr("dc", "speedstring"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 | 814 | qstrf(sk, "%s\x01$", buf); |
1d85f24b | 815 | buf = tr(icswcstombs(confgetstr("dc", "email"), hub->charset, "Charset_conv_failure"), "$_|_"); |
d3372da9 | 816 | qstrf(sk, "%s$", buf); |
817 | qstrf(sk, "%llu$|", sharesize); | |
818 | } | |
819 | ||
820 | static void hubhandleaction(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
821 | { | |
822 | struct dchub *hub; | |
823 | ||
824 | hub = fn->data; | |
825 | if(!strcmp(cmd, "$Lock")) | |
826 | { | |
827 | qstrf(sk, "$ValidateNick %s|", hub->nativenick); | |
828 | } else if(!strcmp(cmd, "$Hello")) { | |
829 | if(fn->state == FNN_HS) | |
830 | { | |
831 | qstrf(sk, "$Version 1,0091|"); | |
832 | qstrf(sk, "$GetNickList|"); | |
833 | sendmyinfo(sk, fn); | |
834 | fnetsetstate(fn, FNN_EST); | |
835 | } else { | |
836 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); | |
837 | } | |
838 | } | |
839 | } | |
840 | ||
841 | static void cmd_lock(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
842 | { | |
843 | struct dchub *hub; | |
844 | char *key; | |
845 | char *p; | |
846 | ||
847 | hub = fn->data; | |
848 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) | |
849 | hub->extended = 1; | |
850 | if((p = strchr(args, ' ')) != NULL) | |
851 | *(p++) = 0; | |
852 | if(hub->extended) | |
853 | { | |
4b544330 | 854 | if(hub->dcppemu) { |
1c4b02cd | 855 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch GetZBlock |"); |
4b544330 FT |
856 | } else { |
857 | qstrf(sk, "$Supports UserCommand NoGetINFO NoHello UserIP2 TTHSearch"); | |
858 | if(!confgetint("dc", "hidedeflate")) | |
859 | qstr(sk, " GetZBlock"); | |
860 | qstr(sk, "|"); | |
861 | } | |
d3372da9 | 862 | } |
863 | key = dcmakekey(args); | |
864 | qstrf(sk, "$Key %s|", key); | |
865 | free(key); | |
866 | hubhandleaction(sk, fn, cmd, args); | |
867 | } | |
868 | ||
869 | static void cmd_hubname(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
870 | { | |
871 | wchar_t *buf; | |
872 | struct dchub *hub; | |
873 | ||
874 | hub = fn->data; | |
7bb3e8c1 | 875 | if(hub->nativename != NULL) |
d3372da9 | 876 | free(hub->nativename); |
877 | hub->nativename = sstrdup(args); | |
1d85f24b | 878 | buf = icmbstowcs(args, hub->charset); |
d3372da9 | 879 | fnetsetname(fn, (buf == NULL)?L"Hubname conv error":buf); |
880 | if(buf != NULL) | |
881 | free(buf); | |
882 | hubhandleaction(sk, fn, cmd, args); | |
883 | } | |
884 | ||
885 | static void cmd_hello(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
886 | { | |
887 | wchar_t *nick; | |
888 | struct dchub *hub; | |
889 | ||
890 | hub = fn->data; | |
1d85f24b | 891 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 | 892 | return; |
893 | if(strcmp(args, hub->nativenick) && (fnetfindpeer(fn, nick) == NULL)) | |
894 | fnetaddpeer(fn, nick, nick); | |
895 | free(nick); | |
896 | hubhandleaction(sk, fn, cmd, args); | |
897 | } | |
898 | ||
899 | static void cmd_quit(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
900 | { | |
901 | wchar_t *nick; | |
902 | struct fnetpeer *peer; | |
903 | struct dchub *hub; | |
904 | ||
905 | hub = fn->data; | |
1d85f24b | 906 | if((nick = icmbstowcs(args, hub->charset)) == NULL) |
d3372da9 | 907 | return; |
908 | if((peer = fnetfindpeer(fn, nick)) != NULL) | |
909 | fnetdelpeer(peer); | |
910 | free(nick); | |
911 | hubhandleaction(sk, fn, cmd, args); | |
912 | } | |
913 | ||
914 | static void cmd_nicklist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
915 | { | |
916 | struct dchub *hub; | |
917 | char *p; | |
918 | wchar_t *buf; | |
0e227c1d | 919 | struct fnetpeer *peer; |
d3372da9 | 920 | |
921 | hub = fn->data; | |
0e227c1d | 922 | for(peer = btreeiter(fn->peers); peer != NULL; peer = btreeiter(NULL)) |
d3372da9 | 923 | peer->flags.b.delete = 1; |
924 | while((p = strstr(args, "$$")) != NULL) | |
925 | { | |
926 | *p = 0; | |
1d85f24b | 927 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 | 928 | { |
929 | if((peer = fnetfindpeer(fn, buf)) == NULL) | |
930 | peer = fnetaddpeer(fn, buf, buf); | |
931 | else | |
932 | peer->flags.b.delete = 0; | |
933 | free(buf); | |
934 | qstrf(sk, "$GetINFO %s %s|", args, hub->nativenick); | |
935 | } | |
936 | args = p + 2; | |
937 | } | |
0e227c1d | 938 | fnetpeerdm(fn); |
d3372da9 | 939 | hubhandleaction(sk, fn, cmd, args); |
940 | } | |
941 | ||
942 | static void cmd_oplist(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
943 | { | |
944 | struct dchub *hub; | |
945 | char *p; | |
946 | wchar_t *buf; | |
947 | struct fnetpeer *peer; | |
948 | ||
949 | hub = fn->data; | |
0e227c1d | 950 | for(peer = btreeiter(fn->peers); peer != NULL; peer = btreeiter(NULL)) |
d3372da9 | 951 | peer->flags.b.op = 0; |
952 | while((p = strstr(args, "$$")) != NULL) | |
953 | { | |
954 | *p = 0; | |
1d85f24b | 955 | if((buf = icmbstowcs(args, hub->charset)) != NULL) |
d3372da9 | 956 | { |
957 | if((peer = fnetfindpeer(fn, buf)) != NULL) | |
958 | peer->flags.b.op = 1; | |
959 | free(buf); | |
960 | } | |
961 | args = p + 2; | |
962 | } | |
963 | hubhandleaction(sk, fn, cmd, args); | |
964 | } | |
965 | ||
966 | static void cmd_myinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
967 | { | |
968 | char *p, *p2; | |
969 | wchar_t *buf, *wp, *wp2; | |
970 | wchar_t abuf[10]; | |
971 | struct fnetpeer *peer; | |
972 | struct dchub *hub; | |
973 | ||
974 | hub = fn->data; | |
975 | p = args; | |
976 | if(strncmp(p, "$ALL ", 5)) | |
977 | return; | |
978 | p += 5; | |
979 | if((p2 = strchr(p, ' ')) == NULL) | |
980 | return; | |
981 | *p2 = 0; | |
1d85f24b | 982 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 983 | return; |
984 | if((peer = fnetfindpeer(fn, buf)) == NULL) | |
985 | peer = fnetaddpeer(fn, buf, buf); | |
986 | free(buf); | |
987 | p = p2 + 1; | |
988 | if((p2 = strstr(p, "$ $")) == NULL) | |
989 | return; | |
990 | *p2 = 0; | |
1d85f24b | 991 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 992 | return; |
316e9a13 | 993 | if((wcslen(buf) > 0) && (buf[wcslen(buf) - 1] == L'>') && ((wp = wcsrchr(buf, L'<')) != NULL)) |
d3372da9 | 994 | { |
995 | buf[wcslen(buf) - 1] = L'\0'; | |
996 | *(wp++) = L'\0'; | |
997 | if((wp2 = wcschr(wp, L' ')) != NULL) | |
998 | { | |
999 | *(wp2++) = L'\0'; | |
1000 | fnetpeersetstr(peer, L"dc-client", wp); | |
1001 | wp = wp2; | |
1002 | do | |
1003 | { | |
1004 | if((wp2 = wcschr(wp, L',')) != NULL) | |
1005 | *(wp2++) = L'\0'; | |
1006 | if(wp[1] != L':') | |
1007 | continue; | |
1008 | swprintf(abuf, 10, L"dc-tag-%lc", wp[0]); | |
1009 | fnetpeersetstr(peer, abuf, wp + 2); | |
1010 | wp = wp2; | |
1011 | } while(wp2 != NULL); | |
1012 | } | |
1013 | } | |
1014 | fnetpeersetstr(peer, L"descr", buf); | |
1015 | free(buf); | |
1016 | p = p2 + 3; | |
1017 | if((p2 = strchr(p, '$')) == NULL) | |
1018 | return; | |
1019 | *(p2 - 1) = 0; | |
1d85f24b | 1020 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 1021 | return; |
1022 | fnetpeersetstr(peer, L"dc-speed", buf); | |
1023 | free(buf); | |
1024 | p = p2 + 1; | |
1025 | if((p2 = strchr(p, '$')) == NULL) | |
1026 | return; | |
1027 | *p2 = 0; | |
1d85f24b | 1028 | if((buf = icmbstowcs(p, hub->charset)) == NULL) |
d3372da9 | 1029 | return; |
1030 | fnetpeersetstr(peer, L"email", buf); | |
1031 | free(buf); | |
1032 | p = p2 + 1; | |
1033 | if(strlen(p) < 1) | |
1034 | return; | |
1035 | fnetpeersetlnum(peer, L"share", strtoll(p, NULL, 10)); | |
1036 | hubhandleaction(sk, fn, cmd, args); | |
1037 | } | |
1038 | ||
1039 | /* I do not implement the fully in that I do not disconnect from the | |
1040 | * old hub. I do this since I believe that if the hub owner really | |
1041 | * wants to get rid of us, then it is his responsibility to disconnect | |
1042 | * us. */ | |
1043 | static void cmd_forcemove(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1044 | { | |
1045 | struct dchub *hub; | |
1046 | struct fnetnode *newfn; | |
1047 | int freeargs; | |
1048 | ||
1049 | hub = fn->data; | |
1050 | if(strchr(args, ':') == NULL) | |
1051 | { | |
1052 | args = strcpy(smalloc(strlen(args) + 5), args); | |
1053 | strcat(args, ":411"); | |
1054 | freeargs = 1; | |
1055 | } else { | |
1056 | freeargs = 0; | |
1057 | } | |
a3a4a3a7 | 1058 | if((newfn = fnetinitconnect(L"dc", fn->owner, args, NULL)) != NULL) |
d3372da9 | 1059 | { |
1060 | linkfnetnode(newfn); | |
1061 | putfnetnode(newfn); | |
1062 | } | |
1063 | hubhandleaction(sk, fn, cmd, args); | |
1064 | if(freeargs) | |
1065 | free(args); | |
1066 | } | |
1067 | ||
1d85f24b | 1068 | static char *getdcpath(struct sharecache *node, size_t *retlen, char *charset) |
d3372da9 | 1069 | { |
1070 | char *buf, *buf2; | |
1071 | size_t len, len2; | |
1072 | ||
1073 | if(node->parent == NULL) | |
1074 | return(NULL); | |
1075 | if(node->parent == shareroot) | |
1076 | { | |
1d85f24b | 1077 | if((buf = icwcstombs(node->name, charset)) == NULL) |
d3372da9 | 1078 | return(NULL); |
1079 | if(retlen != NULL) | |
1080 | *retlen = strlen(buf); | |
1081 | return(buf); | |
1082 | } else { | |
1d85f24b | 1083 | if((buf2 = icwcstombs(node->name, charset)) == NULL) |
d3372da9 | 1084 | return(NULL); |
1d85f24b | 1085 | if((buf = getdcpath(node->parent, &len, charset)) == NULL) |
d3372da9 | 1086 | { |
1087 | free(buf2); | |
1088 | return(NULL); | |
1089 | } | |
1090 | len2 = strlen(buf2); | |
1091 | buf = srealloc(buf, len + 1 + len2 + 1); | |
1092 | buf[len++] = '\\'; | |
1093 | strcpy(buf + len, buf2); | |
1094 | buf[len + len2] = 0; | |
1095 | free(buf2); | |
1096 | if(retlen != NULL) | |
1097 | *retlen = len + len2; | |
1098 | return(buf); | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | /* | |
1103 | * This is the main share searching function for Direct Connect | |
1104 | * peers. Feel free to optimize it if you feel the need for it. I | |
1105 | * haven't ever seen it take any noticable CPU time anyway, so I | |
1106 | * haven't felt that need. | |
1107 | * | |
1108 | * It may feel dubious to just return the directory when all terms are | |
1109 | * satisfied rather than all the files in it, but it really benefits | |
1110 | * everyone: Less cycles used for us, less UDP squelching for active | |
1111 | * searchers, and less bandwidth waste for hubs when serving passive | |
1112 | * searchers. | |
1113 | */ | |
1114 | static void cmd_search(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1115 | { | |
1116 | int i, done; | |
1117 | struct dchub *hub; | |
1118 | char *p, *p2; | |
1119 | char *prefix, *infix, *postfix, *buf, *buf2; | |
1120 | struct socket *dsk; | |
1121 | struct sockaddr_in addr; | |
1122 | struct sharecache *node; | |
1123 | int minsize, maxsize; | |
c7185019 | 1124 | int dotth; |
1125 | size_t buflen; | |
d3372da9 | 1126 | int termnum, satisfied, skipcheck; |
1127 | int level, tersat[32]; | |
8bdbfebe | 1128 | wchar_t *terms[32], *lname; |
d3372da9 | 1129 | char hashtth[24]; |
1130 | ||
1131 | hub = fn->data; | |
1132 | if((p = strchr(args, ' ')) == NULL) | |
1133 | return; | |
1134 | *(p++) = 0; | |
1135 | ||
1136 | memset(terms, 0, sizeof(terms)); | |
1137 | prefix = infix = postfix = NULL; | |
1138 | dsk = NULL; | |
1139 | dotth = 0; | |
1140 | ||
1141 | if(!strncmp(args, "Hub:", 4)) | |
1142 | { | |
1143 | if(!strcmp(cmd, "$MultiSearch")) | |
1144 | goto out; | |
1145 | if(!strcmp(args + 4, hub->nativenick)) | |
1146 | goto out; | |
1147 | prefix = sprintf2("$SR %s ", hub->nativenick); | |
1148 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); | |
d1ef0200 | 1149 | postfix = sprintf2(" (%s)\005%s|", formatsockpeer(hub->sk), args + 4); |
d3372da9 | 1150 | dsk = sk; |
1151 | getsock(dsk); | |
1152 | } else { | |
1153 | if((p2 = strchr(args, ':')) == NULL) | |
1154 | goto out; | |
1155 | *(p2++) = 0; | |
1156 | addr.sin_family = AF_INET; | |
1157 | if(!inet_aton(args, &addr.sin_addr)) | |
1158 | goto out; | |
1159 | addr.sin_port = htons(atoi(p2)); | |
1160 | prefix = sprintf2("$SR %s ", hub->nativenick); | |
1161 | infix = sprintf2(" %i/%i\005", slotsleft(), confgetint("transfer", "slots")); | |
d1ef0200 FT |
1162 | postfix = sprintf2(" (%s)|", formatsockpeer(hub->sk)); |
1163 | dsk = netdgramconn(udpsock, (struct sockaddr *)&addr, sizeof(addr)); | |
d3372da9 | 1164 | } |
1165 | ||
1166 | minsize = maxsize = -1; | |
1167 | if(*p == 0) | |
1168 | goto out; | |
1169 | if(*(p++) == 'T') | |
1170 | minsize = 0; | |
1171 | if(*(p++) != '?') | |
1172 | goto out; | |
1173 | if(*p == 0) | |
1174 | goto out; | |
9d8cf743 | 1175 | if((*(p++) == 'T') && (minsize == 0)) |
d3372da9 | 1176 | { |
1177 | maxsize = 0; | |
1178 | minsize = -1; | |
1179 | } | |
1180 | if(*(p++) != '?') | |
1181 | goto out; | |
1182 | if((p2 = strchr(p, '?')) == NULL) | |
1183 | goto out; | |
1184 | *(p2++) = 0; | |
1185 | if(minsize == 0) | |
1186 | minsize = atoi(p); | |
1187 | if(maxsize == 0) | |
1188 | maxsize = atoi(p); | |
1189 | p = p2 + 1; | |
1190 | if(*(p++) != '?') | |
1191 | goto out; | |
1192 | termnum = 0; | |
1193 | p2 = p; | |
1194 | done = 0; | |
1195 | while(!done) | |
1196 | { | |
1197 | if((*p2 == 0) || (*p2 == '$')) | |
1198 | { | |
1199 | if(*p2 == 0) | |
1200 | done = 1; | |
1201 | else | |
1202 | *p2 = 0; | |
1203 | if(*p) | |
1204 | { | |
1205 | if(!dotth && !strncmp(p, "TTH:", 4)) | |
1206 | { | |
1207 | dotth = 1; | |
2dd01e6e | 1208 | if(((buf = base32decode(p + 4, &buflen)) == NULL) || (buflen != 24)) |
1209 | { | |
1210 | free(buf); | |
d3372da9 | 1211 | goto out; |
2dd01e6e | 1212 | } |
d3372da9 | 1213 | memcpy(hashtth, buf, 24); |
1214 | free(buf); | |
1215 | } else { | |
8bdbfebe FT |
1216 | if((terms[termnum] = icmbstowcs(p, hub->charset)) != NULL) { |
1217 | wcslower(terms[termnum]); | |
d3372da9 | 1218 | termnum++; |
8bdbfebe | 1219 | } |
d3372da9 | 1220 | } |
1221 | } | |
1222 | p = p2 + 1; | |
1223 | if(termnum == 32) | |
1224 | break; | |
1225 | } | |
1226 | p2++; | |
1227 | } | |
1228 | ||
1229 | node = shareroot->child; | |
1230 | level = 0; | |
1231 | for(i = 0; i < termnum; i++) | |
1232 | tersat[i] = -1; | |
1233 | satisfied = 0; | |
1234 | while(1) | |
1235 | { | |
1236 | skipcheck = 0; | |
1237 | if(node->f.b.type == FILE_REG) | |
1238 | { | |
1239 | if((minsize >= 0) && (node->size < minsize)) | |
1240 | skipcheck = 1; | |
1241 | if((maxsize >= 0) && (node->size > maxsize)) | |
1242 | skipcheck = 1; | |
1243 | } | |
1244 | if(!skipcheck && dotth) | |
1245 | { | |
1246 | if((node->f.b.type != FILE_REG) || (node->f.b.hastth && memcmp(hashtth, node->hashtth, 24))) | |
1247 | skipcheck = 1; | |
1248 | } | |
1249 | if(!skipcheck) | |
1250 | { | |
8bdbfebe | 1251 | lname = wcslower(swcsdup(node->name)); |
d3372da9 | 1252 | for(i = 0; i < termnum; i++) |
1253 | { | |
1254 | if(tersat[i] >= 0) | |
1255 | continue; | |
8bdbfebe | 1256 | if(wcsstr(lname, terms[i])) |
d3372da9 | 1257 | { |
1258 | tersat[i] = level; | |
1259 | satisfied++; | |
1260 | } else if(node->child == NULL) { | |
1261 | break; | |
1262 | } | |
1263 | } | |
8bdbfebe | 1264 | free(lname); |
d3372da9 | 1265 | } |
1266 | if(!skipcheck && (satisfied == termnum)) | |
1267 | { | |
1d85f24b | 1268 | /* Use DCCHARSET in $Get paths until further researched... */ |
1269 | if((buf = getdcpath(node, NULL, DCCHARSET)) != NULL) | |
d3372da9 | 1270 | { |
1271 | if(node->f.b.hastth) | |
1272 | { | |
1273 | buf2 = base32encode(node->hashtth, 24); | |
dcf7a1a2 | 1274 | qstrf(dsk, "%s%s\005%ji%sTTH:%.39s%s", prefix, buf, (intmax_t)node->size, infix, buf2, postfix); |
d3372da9 | 1275 | free(buf2); |
1276 | } else { | |
dcf7a1a2 | 1277 | qstrf(dsk, "%s%s\005%ji%s%s%s", prefix, buf, (intmax_t)node->size, infix, hub->nativename, postfix); |
d3372da9 | 1278 | } |
1279 | free(buf); | |
1280 | } | |
1281 | } | |
1282 | if((!skipcheck && (satisfied == termnum)) || (node->child == NULL)) | |
1283 | { | |
1284 | while(node->next == NULL) | |
1285 | { | |
1286 | if((node = node->parent) == shareroot) | |
1287 | break; | |
1288 | level--; | |
1289 | } | |
1290 | if(node == shareroot) | |
1291 | break; | |
1292 | for(i = 0; i < termnum; i++) | |
1293 | { | |
1294 | if(tersat[i] >= level) | |
1295 | { | |
1296 | tersat[i] = -1; | |
1297 | satisfied--; | |
1298 | } | |
1299 | } | |
1300 | node = node->next; | |
1301 | } else { | |
1302 | node = node->child; | |
1303 | level++; | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | hubhandleaction(sk, fn, cmd, args); | |
1308 | ||
1309 | out: | |
1310 | if(dsk != NULL) | |
1311 | putsock(dsk); | |
1312 | if(prefix != NULL) | |
1313 | free(prefix); | |
1314 | if(infix != NULL) | |
1315 | free(infix); | |
1316 | if(postfix != NULL) | |
1317 | free(postfix); | |
1318 | for(i = 0; (i < 32) && (terms[i] != NULL); i++) | |
1319 | free(terms[i]); | |
1320 | } | |
1321 | ||
1322 | static void cmd_connecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1323 | { | |
1324 | char *p; | |
1325 | struct dchub *hub; | |
d3372da9 | 1326 | struct sockaddr_in addr; |
1327 | ||
1328 | hub = fn->data; | |
1329 | if((p = strchr(args, ' ')) == NULL) | |
1330 | return; | |
1331 | *(p++) = 0; | |
1332 | if(strcmp(args, hub->nativenick)) | |
1333 | return; | |
1334 | addr.sin_family = AF_INET; | |
1335 | args = p; | |
1336 | if((p = strchr(args, ':')) == NULL) | |
1337 | return; | |
1338 | *(p++) = 0; | |
1339 | addr.sin_port = htons(atoi(p)); | |
1340 | if(!inet_aton(args, &addr.sin_addr)) | |
1341 | return; | |
8d7a1e88 | 1342 | putsock(netcsconn((struct sockaddr *)&addr, sizeof(addr), (void (*)(struct socket *, int, void *))peerconnect, fn)); |
d3372da9 | 1343 | getfnetnode(fn); |
1344 | hubhandleaction(sk, fn, cmd, args); | |
1345 | } | |
1346 | ||
1347 | static void sendctm(struct socket *sk, char *nick) | |
1348 | { | |
1349 | struct sockaddr *addr; | |
1350 | socklen_t addrlen; | |
1351 | ||
1352 | if(tcpsock == NULL) | |
1353 | return; | |
f96d0914 | 1354 | if(lstgetremotename2(tcpsock, sk, &addr, &addrlen) < 0) |
d3372da9 | 1355 | return; |
1356 | if(addr->sa_family == AF_INET) | |
1357 | qstrf(sk, "$ConnectToMe %s %s|", nick, formataddress(addr, addrlen)); | |
1358 | else | |
1359 | flog(LOG_WARNING, "Direct Connect TCP socket is suddenly not AF_INET, but %i", addr->sa_family); | |
1360 | free(addr); | |
1361 | } | |
1362 | ||
1363 | static void cmd_revconnecttome(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1364 | { | |
1365 | struct dchub *hub; | |
1366 | char *p; | |
1367 | ||
1368 | hub = fn->data; | |
1369 | if((p = strchr(args, ' ')) == NULL) | |
1370 | return; | |
1371 | *(p++) = 0; | |
1372 | if(strcmp(p, hub->nativenick)) | |
1373 | return; | |
1374 | sendctm(sk, args); | |
1375 | expectpeer(args, fn); | |
1376 | hubhandleaction(sk, fn, cmd, args); | |
1377 | } | |
1378 | ||
1379 | static void cmd_getnetinfo(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1380 | { | |
1381 | struct dchub *hub; | |
1382 | struct fnetnode *node; | |
1383 | int numhubs; | |
1384 | ||
1385 | hub = fn->data; | |
1386 | numhubs = 0; | |
1387 | for(node = fnetnodes; node != NULL; node = node->next) | |
1388 | { | |
1389 | if(node->state == FNN_EST) | |
1390 | numhubs++; | |
1391 | } | |
1392 | qstrf(sk, "$NetInfo %i$%i$%c$0|", confgetint("transfer", "slots"), numhubs, (tcpsock == NULL)?'P':'A'); | |
1393 | hubhandleaction(sk, fn, cmd, args); | |
1394 | } | |
1395 | ||
1396 | static void cmd_to(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1397 | { | |
1398 | struct dchub *hub; | |
1399 | char *p, *p2; | |
1400 | ||
1401 | hub = fn->data; | |
1402 | p = args; | |
1403 | if((p2 = strchr(p, ' ')) == NULL) | |
1404 | return; | |
1405 | *(p2++) = 0; | |
1406 | p = p2; | |
1407 | if((p2 = strchr(p, ' ')) == NULL) | |
1408 | return; | |
1409 | *(p2++) = 0; | |
1410 | if(strcmp(p, "From:")) | |
1411 | return; | |
1412 | p = p2; | |
1413 | if((p2 = strstr(p, " $")) == NULL) | |
1414 | return; | |
1415 | *p2 = 0; | |
1416 | p2 += 2; | |
ffa81d5f | 1417 | hubrecvchat(hub->sk, fn, p, p2); |
d3372da9 | 1418 | hubhandleaction(sk, fn, cmd, args); |
1419 | } | |
1420 | ||
1421 | static void cmd_sr(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1422 | { | |
1423 | struct dchub *hub; | |
d86b7a9f | 1424 | char *p, *p2, *buf; |
d3372da9 | 1425 | char *nick, *filename, *hubname; |
dcf7a1a2 FT |
1426 | off_t size; |
1427 | int slots; | |
d86b7a9f | 1428 | size_t buflen; |
d3372da9 | 1429 | struct srchres *sr; |
1430 | wchar_t *wnick, *wfile; | |
1431 | ||
1432 | hub = fn->data; | |
1433 | nick = p = args; | |
1434 | if((p2 = strchr(p, ' ')) == NULL) | |
1435 | return; | |
1436 | *p2 = 0; | |
1437 | p = p2 + 1; | |
1438 | filename = p; | |
1439 | if((p2 = strchr(p, 5)) == NULL) | |
1440 | return; | |
1441 | *p2 = 0; | |
1442 | p = p2 + 1; | |
1443 | if((p2 = strchr(p, ' ')) == NULL) | |
1444 | return; | |
1445 | *p2 = 0; | |
dcf7a1a2 | 1446 | size = strtoll(p, NULL, 10); |
d3372da9 | 1447 | p = p2 + 1; |
1448 | if((p2 = strchr(p, '/')) == NULL) | |
1449 | return; | |
1450 | *p2 = 0; | |
1451 | slots = atoi(p); | |
1452 | p = p2 + 1; | |
1453 | if((p2 = strchr(p, 5)) == NULL) | |
1454 | return; | |
1455 | p = p2 + 1; | |
1456 | hubname = p; | |
1457 | if((p2 = strstr(p, " (")) == NULL) | |
1458 | return; | |
1459 | *p2 = 0; | |
1d85f24b | 1460 | if((wnick = icmbstowcs(nick, hub->charset)) == NULL) |
d3372da9 | 1461 | return; |
1d85f24b | 1462 | /* Use DCCHARSET in $Get paths until further researched... */ |
040118de | 1463 | if((wfile = nmdc2path(filename, DCCHARSET)) == NULL) |
d3372da9 | 1464 | { |
1465 | free(wnick); | |
1466 | return; | |
1467 | } | |
1468 | sr = newsrchres(&dcnet, wfile, wnick); | |
1469 | if(sr->peernick != NULL) | |
1470 | free(sr->peernick); | |
1471 | sr->peernick = swcsdup(wnick); | |
1472 | sr->size = size; | |
1473 | sr->slots = slots; | |
1474 | free(wfile); | |
1475 | free(wnick); | |
d86b7a9f | 1476 | if(!strncmp(hubname, "TTH:", 4)) |
1477 | { | |
1478 | if((buf = base32decode(hubname + 4, &buflen)) != NULL) | |
1479 | { | |
1480 | if(buflen == 24) | |
1481 | sr->hash = newhash(L"TTH", 24, buf); | |
1482 | free(buf); | |
1483 | } | |
1484 | } | |
d3372da9 | 1485 | getfnetnode(sr->fn = fn); |
1486 | submitsrchres(sr); | |
1487 | freesrchres(sr); | |
1488 | hubhandleaction(sk, fn, cmd, args); | |
1489 | } | |
1490 | ||
1491 | static void cmd_usercommand(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
1492 | { | |
1493 | /* Do nothing for now. */ | |
1494 | } | |
1495 | ||
48509089 | 1496 | static void cmd_getpass(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1497 | { | |
1498 | struct dchub *hub; | |
1c4b02cd | 1499 | wchar_t *pw; |
48509089 | 1500 | char *mbspw; |
1501 | ||
1502 | hub = fn->data; | |
1c4b02cd | 1503 | pw = wpfind(fn->args, L"password"); |
1d85f24b | 1504 | if((pw == NULL) || ((mbspw = icwcstombs(pw, hub->charset)) == NULL)) |
48509089 | 1505 | { |
1506 | killfnetnode(fn); | |
1507 | return; | |
1508 | } | |
1509 | qstrf(sk, "$MyPass %s|", mbspw); | |
1510 | free(mbspw); | |
fcd0627b | 1511 | fn->regstatus = FNNS_REG; |
48509089 | 1512 | hubhandleaction(sk, fn, cmd, args); |
1513 | } | |
1514 | ||
c9b3ad74 | 1515 | static void cmd_logedin(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1516 | { | |
1517 | struct dchub *hub; | |
1518 | ||
1519 | hub = fn->data; | |
fcd0627b | 1520 | fn->regstatus = FNNS_OP; |
c9b3ad74 | 1521 | hubhandleaction(sk, fn, cmd, args); |
1522 | } | |
1523 | ||
08b74f8c FT |
1524 | static void cmd_hubsupports(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) |
1525 | { | |
1526 | struct dchub *hub; | |
1527 | int i; | |
1528 | char *p, *p2; | |
1529 | char **arr; | |
1530 | size_t arrsize, arrdata; | |
1531 | ||
1532 | hub = fn->data; | |
1533 | if(hub->supports != NULL) | |
1534 | { | |
1535 | for(i = 0; hub->supports[i] != NULL; i++) | |
1536 | free(hub->supports[i]); | |
1537 | free(hub->supports); | |
1538 | } | |
1539 | arr = NULL; | |
1540 | arrsize = arrdata = 0; | |
1541 | p = args; | |
1542 | do | |
1543 | { | |
1544 | if((p2 = strchr(p, ' ')) != NULL) | |
1545 | *(p2++) = 0; | |
1546 | if(*p == 0) | |
1547 | continue; | |
1548 | addtobuf(arr, sstrdup(p)); | |
1549 | } while((p = p2) != NULL); | |
1550 | addtobuf(arr, NULL); | |
1551 | hub->supports = arr; | |
1552 | } | |
1553 | ||
d3372da9 | 1554 | static void cmd_mynick(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1555 | { | |
9a2d6cb8 | 1556 | struct dcexppeer *expect; |
1c4b02cd | 1557 | struct dchub *hub; |
9a2d6cb8 | 1558 | |
d3372da9 | 1559 | if(peer->nativename != NULL) |
1560 | free(peer->nativename); | |
1561 | peer->nativename = sstrdup(args); | |
1562 | if(peer->wcsname != NULL) | |
1563 | free(peer->wcsname); | |
1d85f24b | 1564 | if((peer->wcsname = icmbstowcs(peer->nativename, peer->charset)) == NULL) |
d3372da9 | 1565 | { |
2bf4942d | 1566 | peer->close = 1; |
d3372da9 | 1567 | return; |
1568 | } | |
9a2d6cb8 | 1569 | if(peer->accepted) |
1570 | { | |
1571 | for(expect = expected; expect != NULL; expect = expect->next) | |
1572 | { | |
1573 | if(!strcmp(expect->nick, args)) | |
1574 | break; | |
1575 | } | |
1576 | if(expect == NULL) | |
1577 | { | |
1578 | peer->fn = NULL; | |
1579 | } else { | |
1c4b02cd | 1580 | hub = expect->fn->data; |
9a2d6cb8 | 1581 | peer->fn = expect->fn; |
1582 | getfnetnode(peer->fn); | |
1c4b02cd | 1583 | peer->dcppemu = hub->dcppemu; |
9a2d6cb8 | 1584 | freeexppeer(expect); |
1585 | } | |
1586 | } | |
d3372da9 | 1587 | } |
1588 | ||
c3d01fa9 FT |
1589 | static void peerattach(struct dcpeer *peer, struct transfer *transfer) |
1590 | { | |
1591 | peer->transfer = transfer; | |
1592 | CBREG(peer->transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer); | |
1593 | CBREG(peer->transfer, trans_destroy, (int (*)(struct transfer *, void *))trdestroycb, NULL, peer); | |
1594 | } | |
1595 | ||
d3372da9 | 1596 | static void cmd_direction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) |
1597 | { | |
1598 | char *p; | |
9a2d6cb8 | 1599 | int mydir; |
1600 | struct transfer *transfer; | |
d3372da9 | 1601 | |
1602 | if((p = strchr(args, ' ')) == NULL) | |
1603 | return; | |
1604 | *p = 0; | |
1605 | if(!strcmp(args, "Upload")) | |
9a2d6cb8 | 1606 | mydir = TRNSD_DOWN; |
d3372da9 | 1607 | if(!strcmp(args, "Download")) |
9a2d6cb8 | 1608 | mydir = TRNSD_UP; |
1609 | if(peer->accepted) | |
1610 | { | |
1611 | if((peer->transfer == NULL) || (mydir != peer->direction)) | |
1612 | { | |
2bf4942d | 1613 | peer->close = 1; |
9a2d6cb8 | 1614 | return; |
1615 | } | |
1b14d3d8 | 1616 | if(peer->direction == TRNSD_DOWN) |
1617 | requestfile(peer); | |
9a2d6cb8 | 1618 | } else { |
1619 | if(peer->wcsname == NULL) | |
1620 | { | |
2bf4942d | 1621 | peer->close = 1; |
9a2d6cb8 | 1622 | return; |
1623 | } | |
1624 | peer->direction = mydir; | |
1625 | if(peer->direction == TRNSD_UP) | |
1626 | { | |
01663fd9 | 1627 | if(confgetint("transfer", "ulquota") && hasupload(&dcnet, peer->wcsname)) |
1628 | { | |
2bf4942d | 1629 | peer->close = 1; |
01663fd9 | 1630 | return; |
1631 | } | |
1ff9e8ea | 1632 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, (peer->trpipe = mktrpipe(peer))->back); |
9a2d6cb8 | 1633 | } else { |
1634 | if((transfer = finddownload(peer->wcsname)) == NULL) | |
1635 | { | |
2bf4942d | 1636 | peer->close = 1; |
9a2d6cb8 | 1637 | return; |
1638 | } | |
1ff9e8ea | 1639 | transferattach(transfer, (peer->trpipe = mktrpipe(peer))->back); |
9a2d6cb8 | 1640 | transfersetstate(transfer, TRNS_HS); |
1641 | } | |
1642 | transfersetnick(transfer, peer->wcsname); | |
c3d01fa9 | 1643 | peerattach(peer, transfer); |
9a2d6cb8 | 1644 | if(peer->extended) |
1645 | sendsupports(peer); | |
1646 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); | |
1647 | if(peer->key != NULL) | |
1648 | qstrf(sk, "$Key %s|", peer->key); | |
1649 | if(peer->direction == TRNSD_DOWN) | |
1650 | requestfile(peer); | |
1651 | } | |
d3372da9 | 1652 | } |
1653 | ||
1654 | static void cmd_peerlock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1655 | { | |
9a2d6cb8 | 1656 | char *p, *key; |
1657 | struct transfer *transfer; | |
d3372da9 | 1658 | |
1659 | if((p = strchr(args, ' ')) == NULL) | |
1660 | return; | |
1661 | *p = 0; | |
1662 | if(!strncmp(args, "EXTENDEDPROTOCOL", 16)) | |
1663 | peer->extended = 1; | |
9a2d6cb8 | 1664 | key = dcmakekey(args); |
1665 | if(peer->accepted) | |
1666 | { | |
1667 | if(peer->wcsname == NULL) | |
1668 | { | |
2bf4942d | 1669 | peer->close = 1; |
9a2d6cb8 | 1670 | return; |
1671 | } | |
1672 | sendmynick(peer); | |
1673 | sendpeerlock(peer); | |
1674 | if(peer->extended) | |
1675 | sendsupports(peer); | |
1676 | if((transfer = finddownload(peer->wcsname)) == NULL) | |
1677 | { | |
01663fd9 | 1678 | if(confgetint("transfer", "ulquota") && hasupload(&dcnet, peer->wcsname)) |
1679 | { | |
2bf4942d | 1680 | peer->close = 1; |
01663fd9 | 1681 | return; |
1682 | } | |
9a2d6cb8 | 1683 | peer->direction = TRNSD_UP; |
1ff9e8ea | 1684 | transfer = newupload(peer->fn, &dcnet, peer->wcsname, (peer->trpipe = mktrpipe(peer))->back); |
9a2d6cb8 | 1685 | } else { |
1686 | peer->direction = TRNSD_DOWN; | |
1ff9e8ea | 1687 | transferattach(transfer, (peer->trpipe = mktrpipe(peer))->back); |
9a2d6cb8 | 1688 | transfersetstate(transfer, TRNS_HS); |
1689 | } | |
1690 | transfersetnick(transfer, peer->wcsname); | |
c3d01fa9 | 1691 | peerattach(peer, transfer); |
9a2d6cb8 | 1692 | qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000); |
1693 | qstrf(sk, "$Key %s|", key); | |
62da2712 | 1694 | free(key); |
9a2d6cb8 | 1695 | } else { |
1696 | if(peer->key != NULL) | |
1697 | free(peer->key); | |
1698 | peer->key = key; | |
1699 | } | |
d3372da9 | 1700 | } |
1701 | ||
1702 | static void cmd_key(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1703 | { | |
9a2d6cb8 | 1704 | /* NOP */ |
1705 | } | |
1706 | ||
1707 | static void startdl(struct dcpeer *peer) | |
1708 | { | |
1e9d82b1 | 1709 | if(peer->timeout != NULL) |
1710 | canceltimer(peer->timeout); | |
9a2d6cb8 | 1711 | peer->state = PEER_TRNS; |
1712 | transferstartdl(peer->transfer, peer->sk); | |
cab0b442 | 1713 | peer->sk->readcb = (void (*)(struct socket *, void *))transread; |
1714 | peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr; | |
9a2d6cb8 | 1715 | } |
1716 | ||
1717 | static void startul(struct dcpeer *peer) | |
1718 | { | |
1e9d82b1 | 1719 | if(peer->timeout != NULL) |
1720 | canceltimer(peer->timeout); | |
9a2d6cb8 | 1721 | peer->state = PEER_TRNS; |
1722 | transferstartul(peer->transfer, peer->sk); | |
cab0b442 | 1723 | peer->sk->writecb = (void (*)(struct socket *, void *))transwrite; |
bd5d862e | 1724 | transwrite(peer->sk, peer); |
d3372da9 | 1725 | } |
1726 | ||
1727 | static void cmd_filelength(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1728 | { | |
dcf7a1a2 | 1729 | off_t size; |
1fc81821 | 1730 | struct transfer *transfer; |
d3372da9 | 1731 | |
1732 | if(peer->transfer == NULL) | |
1733 | { | |
2bf4942d | 1734 | peer->close = 1; |
d3372da9 | 1735 | return; |
1736 | } | |
dcf7a1a2 | 1737 | size = strtoll(args, NULL, 10); |
9a2d6cb8 | 1738 | if(peer->transfer->size != size) |
d3372da9 | 1739 | { |
d3372da9 | 1740 | transfersetsize(peer->transfer, size); |
1fc81821 | 1741 | transfer = peer->transfer; |
2bf4942d FT |
1742 | peer->close = 1; |
1743 | resettransfer(transfer); | |
1fc81821 | 1744 | trytransferbypeer(transfer->fnet, transfer->peerid); |
d3372da9 | 1745 | return; |
1746 | } | |
9a2d6cb8 | 1747 | startdl(peer); |
1748 | qstr(peer->sk, "$Send|"); | |
d3372da9 | 1749 | } |
1750 | ||
1751 | static void cmd_error(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1752 | { | |
df873cd0 | 1753 | if(peer->fetchingtthl) |
1754 | { | |
1755 | peer->fetchingtthl = 0; | |
1756 | peer->notthl = 1; | |
1757 | requestfile(peer); | |
1758 | return; | |
1759 | } | |
d3372da9 | 1760 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) |
1761 | { | |
1762 | transferseterror(peer->transfer, TRNSE_NOTFOUND); | |
1763 | resettransfer(peer->transfer); | |
1764 | return; | |
1765 | } | |
2bf4942d | 1766 | peer->close = 1; |
d3372da9 | 1767 | } |
1768 | ||
1769 | static void cmd_maxedout(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1770 | { | |
1771 | if((peer->transfer != NULL) && (peer->transfer->dir == TRNSD_DOWN)) | |
1772 | { | |
1773 | transferseterror(peer->transfer, TRNSE_NOSLOTS); | |
1774 | resettransfer(peer->transfer); | |
1775 | return; | |
1776 | } | |
2bf4942d | 1777 | peer->close = 1; |
d3372da9 | 1778 | } |
1779 | ||
1780 | static struct | |
1781 | { | |
1782 | char *name; | |
1783 | char **file; | |
1784 | void (*func)(void); | |
1785 | } lists[] = | |
1786 | { | |
1787 | {"MyList.DcLst", &hmlistname, updatehmlist}, | |
1788 | {"files.xml", &xmllistname, updatexmllist}, | |
1789 | {"files.xml.bz2", &xmlbz2listname, updatexmlbz2list}, | |
1790 | {NULL, NULL} | |
1791 | }; | |
1792 | ||
1793 | static int openfilelist(char *name) | |
1794 | { | |
1795 | int i, fd; | |
1796 | int errnobak; | |
1797 | ||
1798 | for(i = 0; lists[i].name != NULL; i++) | |
1799 | { | |
1800 | if(!strcmp(name, lists[i].name)) | |
1801 | break; | |
1802 | } | |
1803 | errno = 0; | |
1804 | if(lists[i].name == NULL) | |
1805 | return(-1); | |
1806 | fd = -1; | |
1807 | if((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0)) | |
1808 | lists[i].func(); | |
1809 | if((fd < 0) && ((*lists[i].file == NULL) || ((fd = open(*lists[i].file, O_RDONLY)) < 0))) | |
1810 | { | |
1811 | errnobak = errno; | |
1812 | flog(LOG_ERR, "could not open filelist tempfile: %s", strerror(errno)); | |
1813 | errno = errnobak; | |
1814 | return(-1); | |
1815 | } | |
1816 | return(fd); | |
1817 | } | |
1818 | ||
1819 | static struct sharecache *findbytth(char *tth32) | |
1820 | { | |
1821 | char *buf; | |
1822 | size_t buflen; | |
1823 | struct sharecache *node; | |
1824 | ||
1825 | if((buf = base32decode(tth32, &buflen)) == NULL) | |
1826 | return(NULL); | |
1827 | if(buflen != 24) | |
1828 | { | |
1829 | free(buf); | |
1830 | return(NULL); | |
1831 | } | |
1832 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) | |
1833 | { | |
1834 | if(node->f.b.hastth && !memcmp(node->hashtth, buf, 24)) | |
1835 | break; | |
1836 | } | |
1837 | free(buf); | |
1838 | return(node); | |
1839 | } | |
1840 | ||
1841 | static struct sharecache *resdcpath(char *path, char *charset, char sep) | |
1842 | { | |
1843 | struct sharecache *node; | |
1844 | char *p, *p2; | |
1845 | ||
1846 | node = shareroot; | |
1847 | p = path; | |
1848 | while(p != NULL) | |
1849 | { | |
1850 | if((p2 = strchr(p, sep)) != NULL) | |
1851 | *(p2++) = 0; | |
1852 | if((node = findcache(node, icsmbstowcs(p, charset, L""))) == NULL) | |
1853 | return(NULL); | |
1854 | p = p2; | |
1855 | } | |
1856 | return(node); | |
1857 | } | |
1858 | ||
1859 | static void cmd_get(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1860 | { | |
dcf7a1a2 | 1861 | off_t offset; |
d3372da9 | 1862 | char *p, *buf; |
1863 | wchar_t *buf2; | |
1864 | struct sharecache *node; | |
1865 | struct socket *lesk; | |
1866 | int fd; | |
1867 | struct stat sb; | |
1868 | ||
1869 | if(peer->transfer == NULL) | |
1870 | { | |
2bf4942d | 1871 | peer->close = 1; |
d3372da9 | 1872 | return; |
1873 | } | |
1874 | if((p = strchr(args, '$')) == NULL) | |
1875 | { | |
2bf4942d | 1876 | peer->close = 1; |
d3372da9 | 1877 | return; |
1878 | } | |
1879 | *(p++) = 0; | |
dcf7a1a2 | 1880 | if((offset = (strtoll(p, NULL, 10) - 1)) < 0) |
d3372da9 | 1881 | { |
2bf4942d | 1882 | peer->close = 1; |
d3372da9 | 1883 | return; |
1884 | } | |
1885 | if(((fd = openfilelist(args)) < 0) && (errno != 0)) | |
1886 | { | |
1887 | qstr(sk, "$Error Could not send file list|"); | |
2bf4942d | 1888 | peer->close = 1; |
d3372da9 | 1889 | return; |
1890 | } else if(fd >= 0) { | |
040118de | 1891 | if((buf2 = nmdc2path(args, DCCHARSET)) != NULL) { |
d3372da9 | 1892 | transfersetpath(peer->transfer, buf2); |
040118de FT |
1893 | free(buf2); |
1894 | } | |
f00d7432 | 1895 | peer->transfer->flags.b.minislot = 1; |
d3372da9 | 1896 | } |
1897 | if(fd < 0) | |
1898 | { | |
1d85f24b | 1899 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 | 1900 | if((node = resdcpath(args, DCCHARSET, '\\')) == NULL) |
1901 | { | |
1902 | qstrf(sk, "$Error File not in share|"); | |
2bf4942d | 1903 | peer->close = 1; |
d3372da9 | 1904 | return; |
1905 | } | |
1906 | if((fd = opensharecache(node)) < 0) | |
1907 | { | |
1908 | qstrf(sk, "$Error %s|", strerror(errno)); | |
2bf4942d | 1909 | peer->close = 1; |
d3372da9 | 1910 | return; |
1911 | } | |
1912 | buf = getfspath(node); | |
1913 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) | |
1914 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); | |
1915 | else | |
1916 | transfersetpath(peer->transfer, buf2); | |
1917 | free(buf); | |
1918 | } | |
1919 | if(fstat(fd, &sb) < 0) | |
1920 | { | |
1921 | close(fd); | |
1922 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); | |
1923 | qstrf(sk, "$Error|"); | |
2bf4942d | 1924 | peer->close = 1; |
d3372da9 | 1925 | return; |
1926 | } | |
f00d7432 | 1927 | if(sb.st_size < 65536) |
1928 | peer->transfer->flags.b.minislot = 1; | |
1929 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { | |
565006d1 | 1930 | close(fd); |
f00d7432 | 1931 | qstr(sk, "$MaxedOut|"); |
2bf4942d | 1932 | peer->close = 1; |
f00d7432 | 1933 | return; |
1934 | } | |
d3372da9 | 1935 | if((offset != 0) && (lseek(fd, offset, SEEK_SET) < 0)) |
1936 | { | |
1937 | close(fd); | |
1938 | qstrf(sk, "$Error Offset out of range|"); | |
2bf4942d | 1939 | peer->close = 1; |
d3372da9 | 1940 | return; |
1941 | } | |
1942 | lesk = wrapsock(fd); | |
1943 | transferprepul(peer->transfer, sb.st_size, offset, -1, lesk); | |
1944 | putsock(lesk); | |
dcf7a1a2 | 1945 | qstrf(sk, "$FileLength %ji|", (intmax_t)peer->transfer->size); |
d3372da9 | 1946 | } |
1947 | ||
1948 | static void cmd_send(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1949 | { | |
1950 | if(peer->transfer == NULL) | |
1951 | { | |
2bf4942d | 1952 | peer->close = 1; |
d3372da9 | 1953 | return; |
1954 | } | |
1955 | if(peer->transfer->localend == NULL) | |
1956 | { | |
2bf4942d | 1957 | peer->close = 1; |
d3372da9 | 1958 | return; |
1959 | } | |
1960 | peer->ptclose = 1; | |
9a2d6cb8 | 1961 | startul(peer); |
d3372da9 | 1962 | } |
1963 | ||
1964 | static void cmd_supports(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1965 | { | |
1966 | int i; | |
1967 | char *p, *p2; | |
1968 | char **arr; | |
1969 | size_t arrsize, arrdata; | |
1970 | ||
1971 | if(peer->supports != NULL) | |
1972 | { | |
1973 | for(i = 0; peer->supports[i] != NULL; i++) | |
1974 | free(peer->supports[i]); | |
1975 | free(peer->supports); | |
1976 | } | |
1977 | arr = NULL; | |
1978 | arrsize = arrdata = 0; | |
1979 | p = args; | |
1980 | do | |
1981 | { | |
1982 | if((p2 = strchr(p, ' ')) != NULL) | |
1983 | *(p2++) = 0; | |
1984 | if(*p == 0) | |
1985 | continue; | |
1986 | addtobuf(arr, sstrdup(p)); | |
1987 | } while((p = p2) != NULL); | |
1988 | addtobuf(arr, NULL); | |
1989 | peer->supports = arr; | |
d3372da9 | 1990 | } |
1991 | ||
1992 | static void cmd_getblock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
1993 | { | |
1994 | int fd; | |
1995 | char *p, *p2; | |
dcf7a1a2 | 1996 | off_t start, numbytes; |
d3372da9 | 1997 | char *charset, *buf; |
1998 | wchar_t *buf2; | |
1999 | struct sharecache *node; | |
2000 | struct stat sb; | |
2001 | struct socket *lesk; | |
2002 | ||
2003 | if(peer->transfer == NULL) | |
2004 | { | |
2bf4942d | 2005 | peer->close = 1; |
d3372da9 | 2006 | return; |
2007 | } | |
2008 | p = args; | |
2009 | if((p2 = strchr(p, ' ')) == NULL) | |
2010 | { | |
2bf4942d | 2011 | peer->close = 1; |
d3372da9 | 2012 | return; |
2013 | } | |
2014 | *(p2++) = 0; | |
dcf7a1a2 | 2015 | start = strtoll(p, NULL, 10); |
d3372da9 | 2016 | p = p2; |
2017 | if((p2 = strchr(p, ' ')) == NULL) | |
2018 | { | |
2bf4942d | 2019 | peer->close = 1; |
d3372da9 | 2020 | return; |
2021 | } | |
2022 | *(p2++) = 0; | |
dcf7a1a2 | 2023 | numbytes = strtoll(p, NULL, 10); |
d3372da9 | 2024 | p = p2; |
2025 | if(!strcmp(cmd, "$UGetBlock") || !strcmp(cmd, "$UGetZBlock")) | |
2026 | charset = "UTF-8"; | |
2027 | else | |
1d85f24b | 2028 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 | 2029 | charset = DCCHARSET; |
2030 | if(!strcmp(cmd, "$GetZBlock") || !strcmp(cmd, "$UGetZBlock")) | |
2031 | initcompress(peer, CPRS_ZLIB); | |
2032 | if(((fd = openfilelist(p)) < 0) && (errno != 0)) | |
2033 | { | |
2034 | qstr(sk, "$Error Could not send file list|"); | |
2035 | return; | |
2036 | } else if(fd >= 0) { | |
040118de | 2037 | if((buf2 = nmdc2path(args, charset)) != NULL) { |
d3372da9 | 2038 | transfersetpath(peer->transfer, buf2); |
040118de FT |
2039 | free(buf2); |
2040 | } | |
f00d7432 | 2041 | peer->transfer->flags.b.minislot = 1; |
d3372da9 | 2042 | } |
2043 | if(fd < 0) | |
2044 | { | |
d3372da9 | 2045 | if((node = resdcpath(p, charset, '\\')) == NULL) |
2046 | { | |
2047 | qstr(sk, "$Error File not in cache|"); | |
2048 | return; | |
2049 | } | |
2050 | if((fd = opensharecache(node)) < 0) | |
2051 | { | |
2052 | qstrf(sk, "$Error %s|", strerror(errno)); | |
2053 | return; | |
2054 | } | |
2055 | buf = getfspath(node); | |
2056 | if((buf2 = icsmbstowcs(buf, NULL, NULL)) == NULL) | |
2057 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); | |
2058 | else | |
2059 | transfersetpath(peer->transfer, buf2); | |
2060 | free(buf); | |
2061 | } | |
2062 | if(fstat(fd, &sb) < 0) | |
2063 | { | |
2064 | close(fd); | |
2065 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); | |
2066 | qstr(sk, "$Error|"); | |
2067 | return; | |
2068 | } | |
f00d7432 | 2069 | if(sb.st_size < 65536) |
2070 | peer->transfer->flags.b.minislot = 1; | |
2071 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { | |
565006d1 | 2072 | close(fd); |
f00d7432 | 2073 | qstr(sk, "$MaxedOut|"); |
2074 | return; | |
2075 | } | |
d3372da9 | 2076 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2077 | { | |
2078 | close(fd); | |
2079 | qstr(sk, "$Error Offset out of range|"); | |
2080 | return; | |
2081 | } | |
2082 | if((numbytes < 0) || (start + numbytes > sb.st_size)) | |
2083 | numbytes = sb.st_size - start; | |
2084 | lesk = wrapsock(fd); | |
2085 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); | |
2086 | putsock(lesk); | |
dcf7a1a2 | 2087 | qstrf(sk, "$Sending %ji|", (intmax_t)numbytes); |
9a2d6cb8 | 2088 | startul(peer); |
d3372da9 | 2089 | } |
2090 | ||
2091 | static void cmd_adcget(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2092 | { | |
2093 | int i; | |
2094 | char **argv, *buf; | |
dcf7a1a2 | 2095 | off_t start, numbytes; |
d3372da9 | 2096 | struct sharecache *node; |
2097 | struct stat sb; | |
2098 | struct socket *lesk; | |
2099 | wchar_t *wbuf; | |
2100 | int fd; | |
2101 | ||
2102 | if(peer->transfer == NULL) | |
2103 | { | |
2bf4942d | 2104 | peer->close = 1; |
d3372da9 | 2105 | return; |
2106 | } | |
2107 | if((argv = parseadc(args)) == NULL) | |
2108 | { | |
2bf4942d | 2109 | peer->close = 1; |
d3372da9 | 2110 | return; |
2111 | } | |
2112 | if(parrlen(argv) < 4) | |
2113 | { | |
2bf4942d | 2114 | peer->close = 1; |
d3372da9 | 2115 | goto out; |
2116 | } | |
dcf7a1a2 FT |
2117 | start = strtoll(argv[2], NULL, 10); |
2118 | numbytes = strtoll(argv[3], NULL, 10); | |
d3372da9 | 2119 | node = NULL; |
2120 | fd = -1; | |
2121 | if(((fd = openfilelist(argv[1])) < 0) && (errno != 0)) | |
2122 | { | |
2123 | qstr(sk, "$Error Could not send file list|"); | |
2124 | goto out; | |
2125 | } else if(fd >= 0) { | |
040118de | 2126 | if((wbuf = adc2path(argv[1])) != NULL) |
d3372da9 | 2127 | transfersetpath(peer->transfer, wbuf); |
c662029b | 2128 | free(wbuf); |
f00d7432 | 2129 | peer->transfer->flags.b.minislot = 1; |
d3372da9 | 2130 | } |
2131 | if(fd < 0) | |
2132 | { | |
d3372da9 | 2133 | if(!strncmp(argv[1], "TTH/", 4)) |
2134 | { | |
2135 | if((node = findbytth(argv[1] + 4)) == NULL) | |
2136 | { | |
2137 | qstr(sk, "$Error File not in cache|"); | |
2138 | goto out; | |
2139 | } | |
2140 | } else { | |
9a2d6cb8 | 2141 | if((node = resdcpath((argv[1][0] == '/')?(argv[1] + 1):(argv[1]), "UTF-8", '/')) == NULL) |
d3372da9 | 2142 | { |
2143 | qstr(sk, "$Error File not in cache|"); | |
2144 | goto out; | |
2145 | } | |
2146 | } | |
2147 | if((fd = opensharecache(node)) < 0) | |
2148 | { | |
2149 | qstrf(sk, "$Error %s|", strerror(errno)); | |
2150 | goto out; | |
2151 | } | |
2152 | buf = getfspath(node); | |
2153 | if((wbuf = icsmbstowcs(buf, NULL, NULL)) == NULL) | |
2154 | flog(LOG_WARNING, "could not convert native path into a wcs (%s): %s", buf, strerror(errno)); | |
2155 | else | |
2156 | transfersetpath(peer->transfer, wbuf); | |
2157 | free(buf); | |
2158 | } | |
2159 | if(!strcmp(argv[0], "file")) | |
2160 | { | |
2161 | for(i = 4; argv[i] != NULL; i++) | |
2162 | { | |
2163 | if(!strcmp(argv[i], "ZL1")) | |
2164 | initcompress(peer, CPRS_ZLIB); | |
2165 | } | |
2166 | if(fstat(fd, &sb) < 0) | |
2167 | { | |
2168 | flog(LOG_WARNING, "could not stat file %ls: %s", node->name, strerror(errno)); | |
2169 | qstr(sk, "$Error|"); | |
2170 | goto out; | |
2171 | } | |
f00d7432 | 2172 | if(sb.st_size < 65536) |
2173 | peer->transfer->flags.b.minislot = 1; | |
2174 | if(!peer->transfer->flags.b.minislot && (slotsleft() < 1)) { | |
2175 | qstr(sk, "$MaxedOut|"); | |
2176 | goto out; | |
2177 | } | |
d3372da9 | 2178 | if((start != 0) && ((start >= sb.st_size) || (lseek(fd, start, SEEK_SET) < 0))) |
2179 | { | |
2180 | qstr(sk, "$Error Offset out of range|"); | |
2181 | goto out; | |
2182 | } | |
2183 | if((numbytes < 0) || (start + numbytes > sb.st_size)) | |
2184 | numbytes = sb.st_size - start; | |
2185 | lesk = wrapsock(fd); | |
2186 | transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk); | |
2187 | putsock(lesk); | |
2188 | fd = -1; | |
2189 | qstr(sk, "$ADCSND"); | |
2190 | sendadc(sk, "file"); | |
2191 | sendadc(sk, argv[1]); | |
dcf7a1a2 FT |
2192 | sendadcf(sk, "%ji", (intmax_t)start); |
2193 | sendadcf(sk, "%ji", (intmax_t)numbytes); | |
d3372da9 | 2194 | if(peer->compress == CPRS_ZLIB) |
2195 | sendadc(sk, "ZL1"); | |
2196 | qstr(sk, "|"); | |
9a2d6cb8 | 2197 | startul(peer); |
d3372da9 | 2198 | } else if(!strcmp(argv[0], "tthl")) { |
2199 | /* | |
2200 | * XXX: Implement full TTHL support. | |
2201 | * | |
2202 | * In the meantime, this is better than nothing, since it at | |
2203 | * least allows fetching of the TTH root if it isn't already | |
2204 | * known. | |
2205 | */ | |
2206 | if(node == NULL) | |
2207 | { | |
2208 | qstr(sk, "$Error no TTHL data for virtual files|"); | |
2209 | goto out; | |
2210 | } | |
2211 | qstr(sk, "$ADCSND"); | |
2212 | sendadc(sk, "tthl"); | |
2213 | sendadc(sk, argv[1]); | |
2214 | sendadc(sk, "0"); | |
2215 | sendadc(sk, "24"); | |
2216 | qstr(sk, "|"); | |
2217 | sockqueue(sk, node->hashtth, 24); | |
2218 | } else { | |
2219 | qstr(sk, "$Error Namespace not implemented|"); | |
2220 | goto out; | |
2221 | } | |
d3372da9 | 2222 | |
2223 | out: | |
2224 | if(fd >= 0) | |
2225 | close(fd); | |
2226 | freeparr(argv); | |
2227 | } | |
2228 | ||
9a2d6cb8 | 2229 | static void handletthl(struct dcpeer *peer) |
2230 | { | |
2231 | char buf[24]; | |
2232 | ||
2233 | while(peer->inbufdata >= 24) | |
2234 | { | |
2235 | pushtigertree(&peer->tth, peer->inbuf); | |
2236 | memmove(peer->inbuf, peer->inbuf + 24, peer->inbufdata -= 24); | |
e52006fe | 2237 | peer->curread += 24; |
9a2d6cb8 | 2238 | } |
e52006fe | 2239 | if(peer->curread >= peer->totalsize) |
9a2d6cb8 | 2240 | { |
1e9d82b1 | 2241 | if(peer->timeout == NULL) |
2242 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); | |
9a2d6cb8 | 2243 | peer->state = PEER_CMD; |
2244 | synctigertree(&peer->tth); | |
2245 | restigertree(&peer->tth, buf); | |
2246 | transfersethash(peer->transfer, newhash(L"TTH", 24, buf)); | |
2247 | requestfile(peer); | |
2248 | } | |
2249 | } | |
2250 | ||
2251 | static void cmd_adcsnd(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2252 | { | |
2253 | char **argv; | |
dcf7a1a2 | 2254 | off_t start, numbytes; |
9a2d6cb8 | 2255 | |
2256 | if(peer->transfer == NULL) | |
2257 | { | |
2bf4942d | 2258 | peer->close = 1; |
9a2d6cb8 | 2259 | return; |
2260 | } | |
2261 | if((argv = parseadc(args)) == NULL) | |
2262 | { | |
2bf4942d | 2263 | peer->close = 1; |
9a2d6cb8 | 2264 | return; |
2265 | } | |
2266 | if(parrlen(argv) < 4) | |
2267 | { | |
2bf4942d | 2268 | peer->close = 1; |
9a2d6cb8 | 2269 | goto out; |
2270 | } | |
dcf7a1a2 FT |
2271 | start = strtoll(argv[2], NULL, 10); |
2272 | numbytes = strtoll(argv[3], NULL, 10); | |
9a2d6cb8 | 2273 | if(!strcmp(argv[0], "tthl")) |
2274 | { | |
2275 | if((start != 0) || (numbytes % 24 != 0)) | |
2276 | { | |
2277 | /* Weird. Bail out. */ | |
2bf4942d | 2278 | peer->close = 1; |
9a2d6cb8 | 2279 | goto out; |
2280 | } | |
1e9d82b1 | 2281 | if(peer->timeout != NULL) |
2282 | canceltimer(peer->timeout); | |
9a2d6cb8 | 2283 | peer->state = PEER_TTHL; |
2284 | peer->totalsize = numbytes; | |
2285 | peer->curread = 0; | |
df873cd0 | 2286 | peer->fetchingtthl = 0; |
9a2d6cb8 | 2287 | inittigertree(&peer->tth); |
2288 | handletthl(peer); | |
2289 | } else if(!strcmp(argv[0], "file")) { | |
2290 | if(start != peer->transfer->curpos) | |
2291 | { | |
2bf4942d | 2292 | peer->close = 1; |
9a2d6cb8 | 2293 | goto out; |
2294 | } | |
2295 | if(start + numbytes != peer->transfer->size) | |
2296 | { | |
2297 | transfersetsize(peer->transfer, start + numbytes); | |
2bf4942d | 2298 | peer->close = 1; |
9a2d6cb8 | 2299 | goto out; |
2300 | } | |
2301 | startdl(peer); | |
cab0b442 | 2302 | if(peer->inbufdata > 0) |
2303 | { | |
2304 | sockpushdata(sk, peer->inbuf, peer->inbufdata); | |
2305 | peer->inbufdata = 0; | |
cab0b442 | 2306 | } |
9a2d6cb8 | 2307 | } else { |
2308 | /* We certainly didn't request this...*/ | |
2bf4942d | 2309 | peer->close = 1; |
9a2d6cb8 | 2310 | goto out; |
2311 | } | |
2312 | ||
2313 | out: | |
2314 | freeparr(argv); | |
2315 | } | |
2316 | ||
2317 | static void cmd_sending(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2318 | { | |
dcf7a1a2 | 2319 | off_t numbytes; |
9a2d6cb8 | 2320 | |
2321 | if(peer->transfer == NULL) | |
2322 | { | |
2bf4942d | 2323 | peer->close = 1; |
9a2d6cb8 | 2324 | return; |
2325 | } | |
dcf7a1a2 | 2326 | numbytes = strtoll(args, NULL, 10); |
9a2d6cb8 | 2327 | if(peer->transfer->size - peer->transfer->curpos != numbytes) |
2328 | { | |
2329 | transfersetsize(peer->transfer, peer->transfer->curpos + numbytes); | |
2bf4942d | 2330 | peer->close = 1; |
9a2d6cb8 | 2331 | return; |
2332 | } | |
2333 | startdl(peer); | |
cab0b442 | 2334 | if(peer->inbufdata > 0) |
2335 | { | |
2336 | sockpushdata(sk, peer->inbuf, peer->inbufdata); | |
2337 | peer->inbufdata = 0; | |
cab0b442 | 2338 | } |
9a2d6cb8 | 2339 | } |
2340 | ||
d3372da9 | 2341 | /* |
2342 | Hub skeleton: | |
2343 | static void cmd_(struct socket *sk, struct fnetnode *fn, char *cmd, char *args) | |
2344 | { | |
2345 | struct dchub *hub; | |
2346 | ||
2347 | hub = fn->data; | |
2348 | hubhandleaction(sk, fn, cmd, args); | |
2349 | } | |
2350 | ||
2351 | Peer skeleton: | |
2352 | static void cmd_(struct socket *sk, struct dcpeer *peer, char *cmd, char *args) | |
2353 | { | |
d3372da9 | 2354 | } |
2355 | ||
2356 | */ | |
2357 | ||
2358 | static int hubreqconn(struct fnetpeer *peer) | |
2359 | { | |
2360 | struct dchub *hub; | |
2361 | char *mbsnick; | |
2362 | ||
2363 | if((peer->fn->state != FNN_EST) || (peer->fn->fnet != &dcnet)) | |
2364 | { | |
2365 | errno = EINVAL; | |
2366 | return(1); | |
2367 | } | |
2368 | if((hub = peer->fn->data) == NULL) | |
2369 | { | |
2370 | errno = EFAULT; | |
2371 | return(1); | |
2372 | } | |
1d85f24b | 2373 | if((mbsnick = icwcstombs(peer->id, hub->charset)) == NULL) |
d3372da9 | 2374 | return(1); /* Shouldn't happen, of course, but who knows... */ |
2375 | if(tcpsock != NULL) | |
2376 | { | |
ffa81d5f | 2377 | sendctm(hub->sk, mbsnick); |
d3372da9 | 2378 | expectpeer(mbsnick, peer->fn); |
2379 | } else { | |
ffa81d5f | 2380 | qstrf(hub->sk, "$RevConnectToMe %s %s|", hub->nativenick, mbsnick); |
d3372da9 | 2381 | } |
2382 | free(mbsnick); | |
2383 | return(0); | |
2384 | } | |
2385 | ||
2386 | static int hubsendchat(struct fnetnode *fn, int public, wchar_t *to, wchar_t *string) | |
2387 | { | |
2388 | struct dchub *hub; | |
2389 | char *mbsstring, *mbsto; | |
2390 | ||
2391 | hub = fn->data; | |
1d85f24b | 2392 | if((mbsto = icwcstombs(to, hub->charset)) == NULL) |
d3372da9 | 2393 | { |
2394 | errno = EILSEQ; | |
2395 | return(1); | |
2396 | } | |
1d85f24b | 2397 | if((mbsstring = icwcstombs(string, hub->charset)) == NULL) |
d3372da9 | 2398 | { |
2399 | errno = EILSEQ; | |
2400 | return(1); | |
2401 | } | |
2402 | if((strchr(mbsto, '|') != NULL) || (strchr(mbsto, ' ') != NULL)) | |
2403 | { | |
2404 | free(mbsto); | |
2405 | free(mbsstring); | |
2406 | errno = ESRCH; | |
2407 | return(1); | |
2408 | } | |
2409 | if(strchr(mbsstring, '|') != NULL) | |
2410 | { | |
2411 | free(mbsto); | |
2412 | free(mbsstring); | |
2413 | errno = EILSEQ; | |
2414 | return(1); | |
2415 | } | |
2416 | if(public) | |
2417 | { | |
2418 | if(*to == L'\0') | |
2419 | { | |
ffa81d5f | 2420 | qstrf(hub->sk, "<%s> %s|", hub->nativenick, mbsstring); |
d3372da9 | 2421 | } else { |
ffa81d5f | 2422 | qstrf(hub->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
d3372da9 | 2423 | } |
2424 | } else { | |
ffa81d5f | 2425 | qstrf(hub->sk, "$To: %s From: %s $<%s> %s|", mbsto, hub->nativenick, hub->nativenick, mbsstring); |
d3372da9 | 2426 | } |
2427 | free(mbsto); | |
2428 | free(mbsstring); | |
2429 | return(0); | |
2430 | } | |
2431 | ||
2432 | static void findsizelimit(struct sexpr *sexpr, int *min, int *max) | |
2433 | { | |
2434 | int minl, maxl, minr, maxr, retmin, retmax; | |
2435 | ||
2436 | switch(sexpr->op) | |
2437 | { | |
2438 | case SOP_AND: | |
2439 | findsizelimit(sexpr->l, &minl, &maxl); | |
2440 | findsizelimit(sexpr->r, &minr, &maxr); | |
2441 | retmin = (minl > minr)?minl:minr; | |
2442 | if((maxl != -1) && (maxr != -1)) | |
2443 | retmax = (maxl < maxr)?maxl:maxr; | |
2444 | else if(maxl != -1) | |
2445 | retmax = maxl; | |
2446 | else if(maxr != -1) | |
2447 | retmax = maxr; | |
2448 | else | |
2449 | retmax = -1; | |
2450 | break; | |
2451 | case SOP_OR: | |
2452 | findsizelimit(sexpr->l, &minl, &maxl); | |
2453 | findsizelimit(sexpr->r, &minr, &maxr); | |
2454 | retmin = (minl < minr)?minl:minr; | |
2455 | if((maxl == -1) || (maxr == -1)) | |
2456 | retmax = -1; | |
2457 | else | |
2458 | retmax = (maxl > maxr)?maxl:maxr; | |
2459 | break; | |
2460 | case SOP_NOT: | |
2461 | findsizelimit(sexpr->l, &minl, &maxl); | |
2462 | if((minl == 0) && (maxl == -1)) /* Interval is unspecified */ | |
2463 | { | |
2464 | retmin = 0; | |
2465 | retmax = -1; | |
2466 | } else if((minl == 0) && (maxl != -1)) { | |
2467 | retmin = maxl + 1; | |
2468 | retmax = -1; | |
2469 | } else if((minl != 0) && (maxl == -1)) { | |
2470 | retmin = 0; | |
2471 | retmax = minl - 1; | |
2472 | } else { /* This would yield two seperate intervals, which DC cannot handle */ | |
2473 | retmin = 0; | |
2474 | retmax = -1; | |
2475 | } | |
2476 | case SOP_SIZELT: | |
2477 | retmin = 0; | |
2478 | retmax = sexpr->d.n - 1; | |
2479 | break; | |
2480 | case SOP_SIZEEQ: | |
2481 | retmin = sexpr->d.n; | |
2482 | retmax = sexpr->d.n; | |
2483 | break; | |
2484 | case SOP_SIZEGT: | |
2485 | retmin = sexpr->d.n + 1; | |
2486 | retmax = -1; | |
2487 | break; | |
2488 | default: | |
2489 | retmin = 0; | |
2490 | retmax = -1; | |
2491 | break; | |
2492 | } | |
2493 | if(min != NULL) | |
2494 | *min = retmin; | |
2495 | if(max != NULL) | |
2496 | *max = retmax; | |
2497 | } | |
2498 | ||
9d8cf743 | 2499 | static struct hash *findsehash(struct sexpr *sexpr) |
2500 | { | |
2501 | struct hash *h1, *h2; | |
2502 | ||
2503 | switch(sexpr->op) | |
2504 | { | |
2505 | case SOP_AND: | |
2506 | if((h1 = findsehash(sexpr->l)) != NULL) | |
2507 | return(h1); | |
2508 | if((h1 = findsehash(sexpr->r)) != NULL) | |
2509 | return(h1); | |
2510 | break; | |
2511 | case SOP_OR: | |
175c86de | 2512 | if((h1 = findsehash(sexpr->l)) == NULL) |
2513 | return(NULL); | |
2514 | if((h2 = findsehash(sexpr->r)) == NULL) | |
2515 | return(NULL); | |
9d8cf743 | 2516 | if(hashcmp(h1, h2)) |
2517 | return(h1); | |
2518 | break; | |
2519 | case SOP_HASHIS: | |
2520 | if(!wcscmp(sexpr->d.hash->algo, L"TTH")) | |
2521 | return(sexpr->d.hash); | |
2522 | default: | |
2523 | break; | |
2524 | } | |
2525 | return(NULL); | |
2526 | } | |
2527 | ||
d3372da9 | 2528 | static int hubsearch(struct fnetnode *fn, struct search *srch, struct srchfnnlist *ln) |
2529 | { | |
2530 | struct dchub *hub; | |
2531 | struct wcslist *list, *cur; | |
2532 | char *sstr, *buf, *p; | |
2533 | size_t sstrsize, sstrdata; | |
2534 | struct sockaddr *name; | |
2535 | socklen_t namelen; | |
2536 | int minsize, maxsize; | |
9d8cf743 | 2537 | struct hash *hash; |
d3372da9 | 2538 | |
2539 | hub = fn->data; | |
ffa81d5f | 2540 | if((fn->state != FNN_EST) || (hub->sk == NULL) || (hub->sk->state != SOCK_EST)) |
d3372da9 | 2541 | return(1); |
2542 | list = findsexprstrs(srch->sexpr); | |
2543 | findsizelimit(srch->sexpr, &minsize, &maxsize); | |
9d8cf743 | 2544 | hash = findsehash(srch->sexpr); |
d3372da9 | 2545 | if((minsize != 0) && (maxsize != -1)) |
2546 | { | |
2547 | /* Choose either minsize or maxsize by trying to determine | |
2548 | * which choice will be most restrictive. The result can be | |
2549 | * approximative at best anyway, so don't try too hard... */ | |
2550 | if((50000000 - maxsize) > (minsize - 50000000)) | |
2551 | minsize = 0; | |
2552 | else | |
2553 | maxsize = -1; | |
2554 | } | |
d3372da9 | 2555 | sstr = NULL; |
2556 | sstrsize = sstrdata = 0; | |
9d8cf743 | 2557 | if((hash != NULL) && (hash->len == 24)) |
d3372da9 | 2558 | { |
9d8cf743 | 2559 | /* Prioritize hash searches above all else */ |
2560 | bufcat(sstr, "F?T?0?9?TTH:", 12); | |
2561 | buf = base32encode(hash->buf, hash->len); | |
2562 | ||
2563 | bufcat(sstr, buf, 39); | |
2564 | free(buf); | |
2565 | } else { | |
2566 | if(minsize != 0) | |
d3372da9 | 2567 | { |
9d8cf743 | 2568 | sizebuf2(sstr, sstrdata + 32, 1); |
fe42d689 | 2569 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?F?%i?1?", minsize); |
9d8cf743 | 2570 | } else if(maxsize != -1) { |
2571 | sizebuf2(sstr, sstrdata + 32, 1); | |
fe42d689 | 2572 | sstrdata += snprintf(sstr + sstrdata, sstrsize - sstrdata, "T?T?%i?1?", maxsize); |
9d8cf743 | 2573 | } else { |
2574 | bufcat(sstr, "F?F?0?1?", 8); | |
2575 | } | |
2576 | if(list != NULL) | |
2577 | { | |
2578 | for(cur = list; cur != NULL; cur = cur->next) | |
d3372da9 | 2579 | { |
1d85f24b | 2580 | /* Use DCCHARSET in $Get paths until further researched... */ |
9d8cf743 | 2581 | if((buf = icwcstombs(cur->str, DCCHARSET)) == NULL) |
2582 | { | |
2583 | /* Can't find anything anyway if the search expression | |
2584 | * requires characters outside DC's charset. There's | |
2585 | * nothing technically wrong with the search itself, | |
2586 | * however, so return success. This should be | |
2587 | * considered as an optimization. */ | |
2588 | freesl(&list); | |
2589 | if(sstr != NULL) | |
2590 | free(sstr); | |
2591 | return(0); | |
2592 | } | |
2593 | if(cur != list) | |
2594 | addtobuf(sstr, '$'); | |
2595 | /* | |
2596 | * It probably doesn't hurt if buf contains any extra | |
2597 | * dollar signs - it will just result in extra search | |
2598 | * terms, and the extraneous results will be filtered by | |
2599 | * the search layer anyway. It hurts if it contains any | |
2600 | * pipes, though, so let's sell them for money. | |
2601 | */ | |
2602 | for(p = buf; *p; p++) | |
2603 | { | |
2604 | if(*p == '|') | |
2605 | *p = '$'; | |
2606 | } | |
2607 | bufcat(sstr, buf, strlen(buf)); | |
2608 | free(buf); | |
d3372da9 | 2609 | } |
9d8cf743 | 2610 | } else { |
2611 | /* Will match all files... :-/ */ | |
2612 | addtobuf(sstr, '.'); | |
d3372da9 | 2613 | } |
d3372da9 | 2614 | } |
2615 | addtobuf(sstr, 0); | |
2616 | if(tcpsock != NULL) | |
2617 | { | |
ffa81d5f | 2618 | if(sockgetremotename2(udpsock, hub->sk, &name, &namelen) < 0) |
d3372da9 | 2619 | { |
2620 | flog(LOG_WARNING, "cannot get address of UDP socket"); | |
2621 | } else { | |
ffa81d5f | 2622 | qstrf(hub->sk, "$Search %s %s|", formataddress(name, namelen), sstr); |
d3372da9 | 2623 | free(name); |
2624 | } | |
2625 | } else { | |
ffa81d5f | 2626 | qstrf(hub->sk, "$Search Hub:%s %s|", hub->nativenick, sstr); |
d3372da9 | 2627 | } |
2628 | free(sstr); | |
2629 | freesl(&list); | |
2630 | fn->lastsrch = time(NULL); | |
2631 | return(0); | |
2632 | } | |
2633 | ||
2634 | #undef skipcmd | |
2635 | #undef qstr | |
2636 | #undef qstrf | |
2637 | ||
2638 | #define cc(c) ((void (*)(struct socket *, void *, char *, char *))(c)) | |
8b930085 | 2639 | static struct command hubcmds[] = |
d3372da9 | 2640 | { |
2641 | {"$Lock", cc(cmd_lock)}, | |
2642 | {"$HubName", cc(cmd_hubname)}, | |
2643 | {"$Hello", cc(cmd_hello)}, | |
2644 | {"$Quit", cc(cmd_quit)}, | |
2645 | {"$NickList", cc(cmd_nicklist)}, | |
2646 | {"$OpList", cc(cmd_oplist)}, | |
2647 | {"$MyINFO", cc(cmd_myinfo)}, | |
2648 | {"$ForceMove", cc(cmd_forcemove)}, | |
8cb2d75b FT |
2649 | {"$Search", cc(cmd_search), .limit = 100}, |
2650 | {"$MultiSearch", cc(cmd_search), .limit = 50}, | |
2651 | {"$ConnectToMe", cc(cmd_connecttome), .limit = 200}, | |
2652 | {"$RevConnectToMe", cc(cmd_revconnecttome), .limit = 500}, | |
d3372da9 | 2653 | {"$GetNetInfo", cc(cmd_getnetinfo)}, |
2654 | {"$To:", cc(cmd_to)}, | |
2655 | {"$SR", cc(cmd_sr)}, | |
2656 | {"$UserCommand", cc(cmd_usercommand)}, | |
48509089 | 2657 | {"$GetPass", cc(cmd_getpass)}, |
c9b3ad74 | 2658 | {"$LogedIn", cc(cmd_logedin)}, /* sic */ |
08b74f8c | 2659 | {"$Supports", cc(cmd_hubsupports)}, |
d3372da9 | 2660 | {NULL, NULL} |
2661 | }; | |
2662 | ||
8b930085 | 2663 | static struct command peercmds[] = |
d3372da9 | 2664 | { |
2665 | {"$MyNick", cc(cmd_mynick)}, | |
2666 | {"$Lock", cc(cmd_peerlock)}, | |
2667 | {"$Direction", cc(cmd_direction)}, | |
2668 | {"$Key", cc(cmd_key)}, | |
2669 | {"$FileLength", cc(cmd_filelength)}, | |
2670 | {"$Error", cc(cmd_error)}, | |
2671 | {"$MaxedOut", cc(cmd_maxedout)}, | |
2672 | {"$Get", cc(cmd_get)}, | |
2673 | {"$Send", cc(cmd_send)}, | |
2674 | {"$Supports", cc(cmd_supports)}, | |
2675 | {"$GetBlock", cc(cmd_getblock)}, | |
2676 | {"$UGetBlock", cc(cmd_getblock)}, | |
2677 | {"$GetZBlock", cc(cmd_getblock)}, | |
2678 | {"$UGetZBlock", cc(cmd_getblock)}, | |
2679 | {"$ADCGET", cc(cmd_adcget)}, | |
8cb2d75b FT |
2680 | {"$ADCSND", cc(cmd_adcsnd), .stop = 1}, |
2681 | {"$Sending", cc(cmd_sending), .stop = 1}, | |
d3372da9 | 2682 | {NULL, NULL} |
2683 | }; | |
2684 | #undef cc | |
2685 | ||
d3372da9 | 2686 | static void dctransgotdata(struct transfer *transfer, struct dcpeer *peer) |
2687 | { | |
2688 | int ret; | |
2689 | void *buf; | |
c7185019 | 2690 | unsigned char outbuf[1024]; |
d3372da9 | 2691 | z_stream *cstr; |
2692 | size_t bufsize; | |
2693 | ||
2694 | if((peer->state == PEER_TRNS) || (peer->state == PEER_SYNC)) | |
2695 | { | |
81286a22 | 2696 | if(sockqueueleft(peer->sk) > 0) |
d3372da9 | 2697 | { |
1ff9e8ea | 2698 | if((buf = sockgetinbuf(peer->trpipe, &bufsize)) != NULL) |
d3372da9 | 2699 | { |
bd5d862e FT |
2700 | if(peer->compress == CPRS_NONE) |
2701 | { | |
2702 | sockqueue(peer->sk, buf, bufsize); | |
2703 | } else if(peer->compress == CPRS_ZLIB) { | |
2704 | cstr = peer->cprsdata; | |
2705 | cstr->next_in = buf; | |
2706 | cstr->avail_in = bufsize; | |
2707 | while(cstr->avail_in > 0) | |
d3372da9 | 2708 | { |
bd5d862e FT |
2709 | cstr->next_out = outbuf; |
2710 | cstr->avail_out = sizeof(outbuf); | |
2711 | if((ret = deflate(cstr, 0)) != Z_OK) | |
d3372da9 | 2712 | { |
bd5d862e FT |
2713 | flog(LOG_WARNING, "bug? deflate() did not return Z_OK (but rather %i)", ret); |
2714 | freedcpeer(peer); | |
2715 | return; | |
d3372da9 | 2716 | } |
bd5d862e | 2717 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); |
d3372da9 | 2718 | } |
2719 | } | |
2720 | free(buf); | |
2721 | } | |
2722 | if(peer->state == PEER_SYNC) | |
2723 | { | |
2724 | if(peer->compress == CPRS_ZLIB) | |
2725 | { | |
2726 | cstr = peer->cprsdata; | |
2727 | cstr->next_in = NULL; | |
2728 | cstr->avail_in = 0; | |
2729 | do | |
2730 | { | |
2731 | cstr->next_out = outbuf; | |
2732 | cstr->avail_out = sizeof(outbuf); | |
2733 | ret = deflate(cstr, Z_FINISH); | |
2734 | if((ret != Z_OK) && (ret != Z_STREAM_END)) | |
2735 | { | |
2736 | flog(LOG_WARNING, "bug? deflate(Z_FINISH) did not return Z_OK (but rather %i)", ret); | |
2737 | freedcpeer(peer); | |
2738 | return; | |
2739 | } | |
2740 | sockqueue(peer->sk, outbuf, sizeof(outbuf) - cstr->avail_out); | |
2741 | } while(ret != Z_STREAM_END); | |
2742 | } | |
2743 | if(peer->ptclose) | |
2744 | { | |
aa99ddc9 | 2745 | peer->close = 1; |
d3372da9 | 2746 | } else { |
1e9d82b1 | 2747 | if(peer->timeout == NULL) |
2748 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); | |
d3372da9 | 2749 | peer->state = PEER_CMD; |
2750 | endcompress(peer); | |
2751 | transfersetstate(transfer, TRNS_HS); | |
2752 | socksettos(peer->sk, confgetint("fnet", "fnptos")); | |
bfc261fe | 2753 | transfer->flags.b.minislot = 0; |
cab0b442 | 2754 | peer->sk->writecb = NULL; |
d3372da9 | 2755 | } |
2756 | } | |
2757 | } | |
2758 | } | |
2759 | } | |
2760 | ||
aa99ddc9 FT |
2761 | static void peerdetach(struct dcpeer *peer) |
2762 | { | |
2763 | CBUNREG(peer->transfer, trans_filterout, peer); | |
c3d01fa9 | 2764 | CBUNREG(peer->transfer, trans_destroy, peer); |
284e199a | 2765 | peer->trpipe->pnext = NULL; |
aa99ddc9 FT |
2766 | closesock(peer->trpipe); |
2767 | quitsock(peer->trpipe); | |
2768 | peer->trpipe = NULL; | |
aa99ddc9 FT |
2769 | peer->transfer = NULL; |
2770 | } | |
2771 | ||
c3d01fa9 FT |
2772 | static int trdestroycb(struct transfer *transfer, struct dcpeer *peer) |
2773 | { | |
2774 | peerdetach(peer); | |
2775 | peer->close = 1; | |
2776 | return(0); | |
2777 | } | |
2778 | ||
cab0b442 | 2779 | static void transread(struct socket *sk, struct dcpeer *peer) |
d3372da9 | 2780 | { |
cab0b442 | 2781 | void *buf; |
2782 | size_t bufsize; | |
d3372da9 | 2783 | |
c3d01fa9 FT |
2784 | if(peer->transfer == NULL) { |
2785 | freedcpeer(peer); | |
2786 | return; | |
2787 | } | |
1ff9e8ea | 2788 | if(sockqueueleft(peer->trpipe) < 0) |
81286a22 | 2789 | return; |
bd5d862e | 2790 | if((buf = sockgetinbuf(sk, &bufsize)) != NULL) |
d3372da9 | 2791 | { |
bd5d862e FT |
2792 | if(peer->transfer == NULL) |
2793 | { | |
2794 | free(buf); | |
2795 | freedcpeer(peer); | |
2796 | return; | |
2797 | } | |
2798 | sockqueue(peer->trpipe, buf, bufsize); | |
cab0b442 | 2799 | free(buf); |
d3372da9 | 2800 | } |
d3372da9 | 2801 | if(peer->transfer->curpos >= peer->transfer->size) |
2802 | { | |
aa99ddc9 | 2803 | peerdetach(peer); |
1ff9e8ea | 2804 | peer->close = 1; |
d3372da9 | 2805 | return; |
2806 | } | |
81286a22 FT |
2807 | } |
2808 | ||
cab0b442 | 2809 | static void transerr(struct socket *sk, int err, struct dcpeer *peer) |
d3372da9 | 2810 | { |
2811 | struct transfer *transfer; | |
2812 | ||
2813 | if((transfer = peer->transfer) == NULL) | |
cab0b442 | 2814 | { |
2815 | freedcpeer(peer); | |
d3372da9 | 2816 | return; |
cab0b442 | 2817 | } |
aa99ddc9 | 2818 | peerdetach(peer); |
1ff9e8ea | 2819 | peer->close = 1; |
d3372da9 | 2820 | } |
2821 | ||
cab0b442 | 2822 | static void transwrite(struct socket *sk, struct dcpeer *peer) |
d3372da9 | 2823 | { |
2824 | if((peer->state != PEER_TRNS) && (peer->state != PEER_SYNC)) | |
cab0b442 | 2825 | return; |
d3372da9 | 2826 | if(peer->transfer == NULL) |
2827 | { | |
2828 | freedcpeer(peer); | |
cab0b442 | 2829 | return; |
d3372da9 | 2830 | } |
2831 | dctransgotdata(peer->transfer, peer); | |
284e199a | 2832 | sockread(peer->trpipe); |
d3372da9 | 2833 | } |
2834 | ||
bd5d862e FT |
2835 | static void trpiperead(struct socket *sk, struct dcpeer *peer) |
2836 | { | |
2837 | dctransgotdata(peer->transfer, peer); | |
2838 | } | |
2839 | ||
2840 | static void trpipewrite(struct socket *sk, struct dcpeer *peer) | |
2841 | { | |
2842 | transread(peer->sk, peer); | |
2843 | } | |
2844 | ||
2845 | static void trpipeerr(struct socket *sk, int errno, struct dcpeer *peer) | |
2846 | { | |
2847 | peer->state = PEER_SYNC; | |
2848 | dctransgotdata(peer->transfer, peer); | |
aa99ddc9 | 2849 | peerdetach(peer); |
b38037ff | 2850 | if(peer->state != PEER_CMD) |
aa99ddc9 | 2851 | peer->close = 1; |
bd5d862e FT |
2852 | } |
2853 | ||
2854 | static struct socket *mktrpipe(struct dcpeer *peer) | |
2855 | { | |
2856 | struct socket *sk; | |
2857 | ||
2858 | sk = netsockpipe(); | |
284e199a | 2859 | sk->pnext = peer->sk; |
bd5d862e FT |
2860 | sk->data = peer; |
2861 | sk->readcb = (void (*)(struct socket *, void *))trpiperead; | |
2862 | sk->writecb = (void (*)(struct socket *, void *))trpipewrite; | |
2863 | sk->errcb = (void (*)(struct socket *, int, void *))trpipeerr; | |
2864 | return(sk); | |
2865 | } | |
2866 | ||
cab0b442 | 2867 | static void udpread(struct socket *sk, void *data) |
d3372da9 | 2868 | { |
d86b7a9f | 2869 | char *buf, *p, *p2, *hashbuf; |
2870 | size_t buflen, hashlen; | |
d3372da9 | 2871 | char *nick, *filename, *hubname; |
99a28d47 | 2872 | struct sockaddr_in hubaddr; |
d1ef0200 | 2873 | struct sockaddr *addrbuf; |
dcf7a1a2 FT |
2874 | off_t size; |
2875 | int slots; | |
d3372da9 | 2876 | struct fnetnode *fn, *myfn; |
2877 | struct dchub *hub; | |
2878 | struct srchres *sr; | |
2879 | wchar_t *wnick, *wfile; | |
d86b7a9f | 2880 | struct hash *hash; |
d3372da9 | 2881 | |
2882 | if((buf = sockgetinbuf(sk, &buflen)) == NULL) | |
cab0b442 | 2883 | return; |
d3372da9 | 2884 | buf = srealloc(buf, buflen + 1); |
2885 | buf[buflen] = 0; | |
2886 | if(!strncmp(buf, "$SR ", 4)) | |
2887 | { | |
2888 | p = buf + 4; | |
2889 | nick = p; | |
2890 | if((p2 = strchr(p, ' ')) == NULL) | |
2891 | { | |
2892 | free(buf); | |
cab0b442 | 2893 | return; |
d3372da9 | 2894 | } |
2895 | *p2 = 0; | |
2896 | p = p2 + 1; | |
2897 | filename = p; | |
2898 | if((p2 = strchr(p, 5)) == NULL) | |
2899 | { | |
2900 | free(buf); | |
cab0b442 | 2901 | return; |
d3372da9 | 2902 | } |
2903 | *p2 = 0; | |
2904 | p = p2 + 1; | |
2905 | if((p2 = strchr(p, ' ')) == NULL) | |
2906 | { | |
2907 | free(buf); | |
cab0b442 | 2908 | return; |
d3372da9 | 2909 | } |
2910 | *p2 = 0; | |
dcf7a1a2 | 2911 | size = strtoll(p, NULL, 10); |
d3372da9 | 2912 | p = p2 + 1; |
2913 | if((p2 = strchr(p, '/')) == NULL) | |
2914 | { | |
2915 | free(buf); | |
cab0b442 | 2916 | return; |
d3372da9 | 2917 | } |
2918 | *p2 = 0; | |
2919 | slots = atoi(p); | |
2920 | p = p2 + 1; | |
2921 | if((p2 = strchr(p, 5)) == NULL) | |
2922 | { | |
2923 | free(buf); | |
cab0b442 | 2924 | return; |
d3372da9 | 2925 | } |
2926 | p = p2 + 1; | |
2927 | hubname = p; | |
2928 | if((p2 = strstr(p, " (")) == NULL) | |
2929 | { | |
2930 | free(buf); | |
cab0b442 | 2931 | return; |
d3372da9 | 2932 | } |
2933 | *p2 = 0; | |
99a28d47 | 2934 | p = p2 + 2; |
2935 | if((p2 = strchr(p, ':')) == NULL) | |
2936 | { | |
2937 | free(buf); | |
cab0b442 | 2938 | return; |
99a28d47 | 2939 | } |
870bf4ad | 2940 | *(p2++) = 0; |
99a28d47 | 2941 | hubaddr.sin_family = AF_INET; |
2942 | if(!inet_aton(p, &hubaddr.sin_addr)) | |
2943 | { | |
2944 | free(buf); | |
cab0b442 | 2945 | return; |
99a28d47 | 2946 | } |
2947 | p = p2; | |
2948 | if((p2 = strchr(p, ')')) == NULL) | |
2949 | { | |
2950 | free(buf); | |
cab0b442 | 2951 | return; |
99a28d47 | 2952 | } |
2953 | *p2 = 0; | |
2954 | hubaddr.sin_port = htons(atoi(p)); | |
1d85f24b | 2955 | /* Use DCCHARSET in $Get paths until further researched... */ |
040118de | 2956 | if((wfile = nmdc2path(filename, DCCHARSET)) == NULL) |
d3372da9 | 2957 | { |
d3372da9 | 2958 | free(buf); |
cab0b442 | 2959 | return; |
d3372da9 | 2960 | } |
2961 | myfn = NULL; | |
d86b7a9f | 2962 | hash = NULL; |
2963 | if(!strncmp(hubname, "TTH:", 4)) | |
d3372da9 | 2964 | { |
d86b7a9f | 2965 | if((hashbuf = base32decode(hubname + 4, &hashlen)) != NULL) |
2966 | { | |
2967 | if(hashlen == 24) | |
2968 | hash = newhash(L"TTH", 24, hashbuf); | |
2969 | free(hashbuf); | |
2970 | } | |
2971 | } else { | |
2972 | for(fn = fnetnodes; fn != NULL; fn = fn->next) | |
d3372da9 | 2973 | { |
d86b7a9f | 2974 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL)) |
d3372da9 | 2975 | { |
d86b7a9f | 2976 | if((hub->nativename != NULL) && !strcmp(hub->nativename, hubname)) |
d3372da9 | 2977 | { |
d86b7a9f | 2978 | if(myfn == NULL) |
2979 | { | |
2980 | myfn = fn; | |
2981 | } else { | |
2982 | myfn = NULL; | |
2983 | break; | |
2984 | } | |
d3372da9 | 2985 | } |
2986 | } | |
2987 | } | |
2988 | } | |
99a28d47 | 2989 | if(myfn == NULL) |
2990 | { | |
2991 | for(fn = fnetnodes; fn != NULL; fn = fn->next) | |
2992 | { | |
d1ef0200 | 2993 | if((fn->fnet == &dcnet) && ((hub = fn->data) != NULL) && !sockpeeraddr(hub->sk, &addrbuf, NULL)) |
99a28d47 | 2994 | { |
d1ef0200 | 2995 | if((hub->sk != NULL) && addreq(addrbuf, (struct sockaddr *)&hubaddr)) |
ffa81d5f FT |
2996 | { |
2997 | myfn = fn; | |
42a86a24 | 2998 | free(addrbuf); |
ffa81d5f FT |
2999 | break; |
3000 | } | |
d1ef0200 | 3001 | free(addrbuf); |
99a28d47 | 3002 | } |
3003 | } | |
3004 | } | |
1d85f24b | 3005 | hub = NULL; |
3006 | if(myfn != NULL) | |
3007 | hub = myfn->data; | |
3008 | if((wnick = icmbstowcs(nick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) | |
3009 | { | |
3010 | free(buf); | |
cab0b442 | 3011 | return; |
1d85f24b | 3012 | } |
d3372da9 | 3013 | sr = newsrchres(&dcnet, wfile, wnick); |
3014 | if(sr->peernick != NULL) | |
3015 | free(sr->peernick); | |
3016 | sr->peernick = swcsdup(wnick); | |
3017 | sr->size = size; | |
3018 | sr->slots = slots; | |
3019 | free(wfile); | |
3020 | free(wnick); | |
3021 | if(myfn != NULL) | |
3022 | getfnetnode(sr->fn = myfn); | |
d86b7a9f | 3023 | if(hash != NULL) |
3024 | sr->hash = hash; | |
d3372da9 | 3025 | submitsrchres(sr); |
3026 | freesrchres(sr); | |
3027 | } | |
3028 | free(buf); | |
3029 | } | |
3030 | ||
3031 | static void hubread(struct socket *sk, struct fnetnode *fn) | |
3032 | { | |
3033 | struct dchub *hub; | |
8cb2d75b | 3034 | struct command *cmd; |
d3372da9 | 3035 | char *newbuf; |
8cb2d75b | 3036 | size_t datalen, cnlen; |
c319fb93 | 3037 | char *p, *p2; |
d3372da9 | 3038 | |
3039 | hub = (struct dchub *)fn->data; | |
81286a22 FT |
3040 | if(hub->queue.size > 1000) |
3041 | return; | |
d3372da9 | 3042 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
3043 | return; | |
3044 | if(hub->inbufdata > 500000) /* Discard possible malicious data */ | |
3045 | hub->inbufdata = 0; | |
3046 | sizebuf2(hub->inbuf, hub->inbufdata + datalen, 1); | |
3047 | memcpy(hub->inbuf + hub->inbufdata, newbuf, datalen); | |
3048 | free(newbuf); | |
c319fb93 | 3049 | p = hub->inbuf; |
d3372da9 | 3050 | hub->inbufdata += datalen; |
28a3ef52 | 3051 | while((p - hub->inbuf < hub->inbufdata) && ((p2 = memchr(p, '|', hub->inbufdata - (p - hub->inbuf))) != NULL)) |
d3372da9 | 3052 | { |
c319fb93 | 3053 | *(p2++) = 0; |
8cb2d75b FT |
3054 | for(cmd = hubcmds; cmd->handler != NULL; cmd++) |
3055 | { | |
3056 | cnlen = strlen(cmd->name); | |
c319fb93 | 3057 | if(!strncmp(p, cmd->name, cnlen) && ((p[cnlen] == ' ') || (p[cnlen] == 0))) |
8cb2d75b FT |
3058 | break; |
3059 | } | |
3060 | if((cmd->limit == 0) || (hub->queue.size < cmd->limit)) | |
c319fb93 | 3061 | newqcmd(&hub->queue, p); |
c319fb93 | 3062 | p = p2; |
d3372da9 | 3063 | } |
c319fb93 | 3064 | memmove(hub->inbuf, p, hub->inbufdata -= p - hub->inbuf); |
d3372da9 | 3065 | } |
3066 | ||
3067 | static void huberr(struct socket *sk, int err, struct fnetnode *fn) | |
3068 | { | |
3069 | killfnetnode(fn); | |
3070 | } | |
3071 | ||
3072 | static int hubsetnick(struct fnetnode *fn, wchar_t *newnick) | |
3073 | { | |
3074 | struct dchub *hub; | |
3075 | char *buf; | |
3076 | ||
3077 | hub = fn->data; | |
1d85f24b | 3078 | if((buf = icwcstombs(newnick, (hub == NULL)?DCCHARSET:(hub->charset))) == NULL) |
d3372da9 | 3079 | return(1); |
3080 | if((strchr(buf, ' ') != NULL) || (strchr(buf, '|') != NULL) || (strchr(buf, '$') != NULL)) | |
3081 | { | |
3082 | free(buf); | |
3083 | return(1); | |
3084 | } | |
3085 | if(hub == NULL) /* Not yet connected */ | |
3086 | { | |
3087 | free(buf); | |
3088 | return(0); | |
3089 | } | |
3090 | if(hub->nativenick != NULL) | |
3091 | free(hub->nativenick); | |
3092 | hub->nativenick = buf; | |
3093 | return(0); | |
3094 | } | |
3095 | ||
3096 | static struct dchub *newdchub(struct fnetnode *fn) | |
3097 | { | |
3098 | struct dchub *new; | |
1c4b02cd | 3099 | wchar_t *emu; |
1d85f24b | 3100 | wchar_t *wcharset; |
3101 | char *charset; | |
d3372da9 | 3102 | |
3103 | new = smalloc(sizeof(*new)); | |
3104 | memset(new, 0, sizeof(*new)); | |
3105 | fn->data = new; | |
1c4b02cd | 3106 | if(confgetint("dc", "dcppemu")) |
3107 | new->dcppemu = 1; | |
3108 | if((emu = wpfind(fn->args, L"dcppemu")) != NULL) | |
3109 | { | |
3110 | if(*emu == L'y') | |
3111 | new->dcppemu = 1; | |
3112 | if(*emu == L'n') | |
3113 | new->dcppemu = 0; | |
3114 | } | |
1d85f24b | 3115 | charset = NULL; |
3116 | if((wcharset = wpfind(fn->args, L"charset")) != NULL) | |
3117 | { | |
3118 | if((charset = icwcstombs(wcharset, "US-ASCII")) != NULL) | |
3119 | { | |
3120 | if(!havecharset(charset)) | |
3121 | { | |
3122 | free(charset); | |
3123 | charset = NULL; | |
3124 | } | |
3125 | } | |
3126 | } | |
3127 | if(charset != NULL) | |
3128 | new->charset = charset; | |
3129 | else | |
3130 | new->charset = sstrdup(DCCHARSET); | |
d3372da9 | 3131 | if(hubsetnick(fn, fn->mynick)) |
3132 | fnetsetnick(fn, L"DoldaConnectUser-IN"); | |
3133 | /* IN as in Invalid Nick */ | |
3134 | return(new); | |
3135 | } | |
3136 | ||
3137 | static struct dcpeer *newdcpeer(struct socket *sk) | |
3138 | { | |
3139 | struct dcpeer *new; | |
3140 | ||
3141 | new = smalloc(sizeof(*new)); | |
3142 | memset(new, 0, sizeof(*new)); | |
d3372da9 | 3143 | getsock(sk); |
3144 | new->sk = sk; | |
1c4b02cd | 3145 | if(confgetint("dc", "dcppemu")) |
3146 | new->dcppemu = 1; | |
d3372da9 | 3147 | new->next = peers; |
3148 | new->prev = NULL; | |
3149 | if(peers != NULL) | |
3150 | peers->prev = new; | |
3151 | peers = new; | |
3152 | numdcpeers++; | |
3153 | return(new); | |
3154 | } | |
3155 | ||
3156 | static void freedcpeer(struct dcpeer *peer) | |
3157 | { | |
3158 | int i; | |
3159 | struct qcommand *qcmd; | |
3160 | ||
d3372da9 | 3161 | if(peers == peer) |
3162 | peers = peer->next; | |
3163 | if(peer->next != NULL) | |
3164 | peer->next->prev = peer->prev; | |
3165 | if(peer->prev != NULL) | |
3166 | peer->prev->next = peer->next; | |
3167 | if(peer->transfer != NULL) | |
aa99ddc9 | 3168 | peerdetach(peer); |
1e9d82b1 | 3169 | if(peer->timeout != NULL) |
3170 | canceltimer(peer->timeout); | |
cab0b442 | 3171 | if(peer->sk->data == peer) |
3172 | peer->sk->data = NULL; | |
3173 | peer->sk->readcb = NULL; | |
3174 | peer->sk->writecb = NULL; | |
3175 | peer->sk->errcb = NULL; | |
d3372da9 | 3176 | putsock(peer->sk); |
3177 | endcompress(peer); | |
3178 | if(peer->supports != NULL) | |
3179 | { | |
3180 | for(i = 0; peer->supports[i] != NULL; i++) | |
3181 | free(peer->supports[i]); | |
3182 | free(peer->supports); | |
3183 | } | |
d3372da9 | 3184 | if(peer->inbuf != NULL) |
3185 | free(peer->inbuf); | |
3186 | if(peer->key != NULL) | |
3187 | free(peer->key); | |
3188 | if(peer->wcsname != NULL) | |
3189 | free(peer->wcsname); | |
3190 | if(peer->nativename != NULL) | |
3191 | free(peer->nativename); | |
1d85f24b | 3192 | if(peer->charset != NULL) |
3193 | free(peer->charset); | |
d3372da9 | 3194 | if(peer->fn != NULL) |
3195 | putfnetnode(peer->fn); | |
3196 | while((qcmd = ulqcmd(&peer->queue)) != NULL) | |
3197 | freeqcmd(qcmd); | |
3198 | free(peer); | |
3199 | numdcpeers--; | |
3200 | } | |
3201 | ||
ffa81d5f | 3202 | static void hubconnect(struct fnetnode *fn, struct socket *sk) |
d3372da9 | 3203 | { |
ffa81d5f FT |
3204 | struct dchub *hub; |
3205 | ||
3206 | sk->readcb = (void (*)(struct socket *, void *))hubread; | |
3207 | sk->errcb = (void (*)(struct socket *, int, void *))huberr; | |
3208 | fn->data = hub = newdchub(fn); | |
3209 | sk->data = fn; | |
3210 | getsock(hub->sk = sk); | |
d3372da9 | 3211 | return; |
3212 | } | |
3213 | ||
3214 | static void hubdestroy(struct fnetnode *fn) | |
3215 | { | |
08b74f8c | 3216 | int i; |
d3372da9 | 3217 | struct dchub *hub; |
3218 | struct qcommand *qcmd; | |
3219 | ||
3220 | hub = (struct dchub *)fn->data; | |
ffa81d5f | 3221 | putsock(hub->sk); |
d3372da9 | 3222 | while((qcmd = ulqcmd(&hub->queue)) != NULL) |
3223 | freeqcmd(qcmd); | |
08b74f8c FT |
3224 | if(hub->supports != NULL) |
3225 | { | |
3226 | for(i = 0; hub->supports[i] != NULL; i++) | |
3227 | free(hub->supports[i]); | |
3228 | free(hub->supports); | |
3229 | } | |
d3372da9 | 3230 | if(hub->nativename != NULL) |
3231 | free(hub->nativename); | |
3232 | if(hub->nativenick != NULL) | |
3233 | free(hub->nativenick); | |
1d85f24b | 3234 | if(hub->charset != NULL) |
3235 | free(hub->charset); | |
d3372da9 | 3236 | if(hub->inbuf != NULL) |
3237 | free(hub->inbuf); | |
3238 | free(hub); | |
3239 | } | |
3240 | ||
ffa81d5f FT |
3241 | static void hubkill(struct fnetnode *fn) |
3242 | { | |
3243 | struct dchub *hub; | |
3244 | ||
3245 | hub = (struct dchub *)fn->data; | |
d1ef0200 | 3246 | closesock(hub->sk); |
ffa81d5f FT |
3247 | } |
3248 | ||
d3372da9 | 3249 | static struct fnet dcnet = |
3250 | { | |
3251 | .name = L"dc", | |
3252 | .connect = hubconnect, | |
3253 | .destroy = hubdestroy, | |
ffa81d5f | 3254 | .kill = hubkill, |
d3372da9 | 3255 | .setnick = hubsetnick, |
3256 | .reqconn = hubreqconn, | |
3257 | .sendchat = hubsendchat, | |
3258 | .search = hubsearch, | |
d3372da9 | 3259 | }; |
3260 | ||
cab0b442 | 3261 | static void peerread(struct socket *sk, struct dcpeer *peer) |
d3372da9 | 3262 | { |
cab0b442 | 3263 | char *newbuf, *p; |
8cb2d75b | 3264 | size_t datalen, cnlen; |
cab0b442 | 3265 | struct command *cmd; |
5ec60e42 | 3266 | |
81286a22 FT |
3267 | if(peer->state == PEER_CMD) { |
3268 | if((peer->queue.size > 50) || (peer->inbufdata > 65536)) | |
3269 | return; | |
bd5d862e FT |
3270 | } else if(peer->state == PEER_TTHL) { |
3271 | } else { | |
3272 | return; | |
81286a22 | 3273 | } |
d3372da9 | 3274 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
cab0b442 | 3275 | return; |
d3372da9 | 3276 | sizebuf2(peer->inbuf, peer->inbufdata + datalen, 1); |
3277 | memcpy(peer->inbuf + peer->inbufdata, newbuf, datalen); | |
3278 | free(newbuf); | |
d3372da9 | 3279 | peer->inbufdata += datalen; |
9a2d6cb8 | 3280 | if(peer->state == PEER_CMD) |
d3372da9 | 3281 | { |
cab0b442 | 3282 | p = peer->inbuf; |
3283 | while((peer->inbufdata > 0) && (p = memchr(peer->inbuf, '|', peer->inbufdata)) != NULL) | |
3284 | { | |
3285 | *(p++) = 0; | |
cab0b442 | 3286 | for(cmd = peercmds; cmd->handler != NULL; cmd++) |
3287 | { | |
8cb2d75b FT |
3288 | cnlen = strlen(cmd->name); |
3289 | if(!strncmp(peer->inbuf, cmd->name, cnlen) && ((peer->inbuf[cnlen] == ' ') || (peer->inbuf[cnlen] == 0))) | |
cab0b442 | 3290 | break; |
3291 | } | |
8cb2d75b FT |
3292 | if((cmd->limit == 0) || (peer->queue.size < cmd->limit)) |
3293 | newqcmd(&peer->queue, peer->inbuf); | |
cab0b442 | 3294 | memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf); |
3295 | if(cmd->stop) | |
3296 | { | |
3297 | peer->state = PEER_STOP; | |
3298 | break; | |
3299 | } | |
3300 | } | |
9a2d6cb8 | 3301 | } else if(peer->state == PEER_TTHL) { |
3302 | handletthl(peer); | |
d3372da9 | 3303 | } |
3304 | } | |
3305 | ||
cab0b442 | 3306 | static void peererror(struct socket *sk, int err, struct dcpeer *peer) |
d3372da9 | 3307 | { |
3308 | freedcpeer(peer); | |
3309 | } | |
3310 | ||
cab0b442 | 3311 | static void peerconnect(struct socket *sk, int err, struct fnetnode *fn) |
d3372da9 | 3312 | { |
3313 | struct dcpeer *peer; | |
1c4b02cd | 3314 | struct dchub *hub; |
d3372da9 | 3315 | |
3316 | if(err != 0) | |
3317 | { | |
3318 | putfnetnode(fn); | |
cab0b442 | 3319 | return; |
d3372da9 | 3320 | } |
1c4b02cd | 3321 | hub = fn->data; |
d3372da9 | 3322 | peer = newdcpeer(sk); |
3323 | peer->fn = fn; | |
3324 | peer->accepted = 0; | |
1c4b02cd | 3325 | peer->dcppemu = hub->dcppemu; |
cab0b442 | 3326 | sk->readcb = (void (*)(struct socket *, void *))peerread; |
3327 | sk->errcb = (void (*)(struct socket *, int, void *))peererror; | |
3328 | sk->data = peer; | |
d3372da9 | 3329 | socksettos(sk, confgetint("fnet", "fnptos")); |
1e9d82b1 | 3330 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
9a2d6cb8 | 3331 | sendmynick(peer); |
3332 | sendpeerlock(peer); | |
d3372da9 | 3333 | } |
3334 | ||
d1ef0200 | 3335 | static void peeraccept(struct lport *lp, struct socket *newsk, void *data) |
d3372da9 | 3336 | { |
3337 | struct dcpeer *peer; | |
3338 | ||
3339 | peer = newdcpeer(newsk); | |
3340 | peer->accepted = 1; | |
cab0b442 | 3341 | newsk->readcb = (void (*)(struct socket *, void *))peerread; |
3342 | newsk->errcb = (void (*)(struct socket *, int, void *))peererror; | |
3343 | newsk->data = peer; | |
d3372da9 | 3344 | socksettos(newsk, confgetint("fnet", "fnptos")); |
1e9d82b1 | 3345 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); |
d3372da9 | 3346 | } |
3347 | ||
3348 | static void updatehmlist(void) | |
3349 | { | |
3350 | int i, lev, ic, ret; | |
3351 | struct sharecache *node; | |
3352 | char *buf, *buf2, numbuf[32]; | |
3353 | size_t bufsize, bufdata; | |
3354 | int fd, ibuf; | |
50d8d5c1 | 3355 | FILE *out; |
d3372da9 | 3356 | |
3357 | bufdata = 0; | |
3358 | buf = smalloc(bufsize = 65536); | |
3359 | node = shareroot->child; | |
3360 | lev = 0; | |
3361 | while(1) | |
3362 | { | |
3363 | ic = 0; | |
1d85f24b | 3364 | /* Use DCCHARSET in $Get paths until further researched... */ |
d3372da9 | 3365 | if((buf2 = icwcstombs(node->name, DCCHARSET)) != NULL) |
3366 | { | |
3367 | for(i = 0; i < lev; i++) | |
3368 | addtobuf(buf, 9); | |
3369 | bufcat(buf, buf2, strlen(buf2)); | |
3370 | free(buf2); | |
3371 | if(node->f.b.type == FILE_REG) | |
3372 | { | |
3373 | addtobuf(buf, '|'); | |
dcf7a1a2 | 3374 | sprintf(numbuf, "%ji", (intmax_t)node->size); |
d3372da9 | 3375 | bufcat(buf, numbuf, strlen(numbuf)); |
3376 | } | |
3377 | addtobuf(buf, 13); | |
3378 | addtobuf(buf, 10); | |
3379 | } else { | |
3380 | ic = 1; | |
3381 | } | |
3382 | if((node->child != NULL) && !ic) | |
3383 | { | |
3384 | lev++; | |
3385 | node = node->child; | |
3386 | } else if(node->next != NULL) { | |
3387 | node = node->next; | |
3388 | } else { | |
3389 | while(node->next == NULL) | |
3390 | { | |
3391 | lev--; | |
3392 | node = node->parent; | |
3393 | if(node == shareroot) | |
3394 | break; | |
3395 | } | |
3396 | if(node == shareroot) | |
3397 | break; | |
3398 | node = node->next; | |
3399 | } | |
3400 | } | |
3401 | if(hmlistname != NULL) | |
3402 | { | |
3403 | unlink(hmlistname); | |
3404 | free(hmlistname); | |
3405 | } | |
3406 | hmlistname = sstrdup("/tmp/dc-filelist-hm-XXXXXX"); | |
3407 | if((fd = mkstemp(hmlistname)) < 0) | |
3408 | { | |
3409 | flog(LOG_WARNING, "could not create HM file list tempfile: %s", strerror(errno)); | |
3410 | free(hmlistname); | |
3411 | hmlistname = NULL; | |
3412 | } else { | |
50d8d5c1 | 3413 | out = fdopen(fd, "w"); |
d3372da9 | 3414 | /* |
3415 | * I do not want to implement a good Huffman encoder, and it's not | |
3416 | * like Huffman encoding actually yields any impressive results | |
3417 | * for DC file lists anyway, so I'll just output a bogus | |
3418 | * tree. Implement a good encoder if you want to. | |
3419 | */ | |
50d8d5c1 FT |
3420 | fwrite("HE3\r\0", 1, 5, out); |
3421 | fwrite(&bufdata, 4, 1, out); /* XXX: Endian unsafe */ | |
d3372da9 | 3422 | ibuf = 256; |
50d8d5c1 | 3423 | fwrite(&ibuf, 2, 1, out); |
d3372da9 | 3424 | ibuf = 8; |
3425 | for(i = 0; i < 256; i++) | |
3426 | { | |
50d8d5c1 FT |
3427 | fwrite(&i, 1, 1, out); |
3428 | fwrite(&ibuf, 1, 1, out); | |
d3372da9 | 3429 | } |
3430 | for(i = 0; i < 256; i++) | |
50d8d5c1 | 3431 | fwrite(&i, 1, 1, out); |
d3372da9 | 3432 | for(buf2 = buf; bufdata > 0;) |
3433 | { | |
50d8d5c1 | 3434 | if((ret = fwrite(buf2, 1, bufdata, out)) < 0) |
d3372da9 | 3435 | { |
3436 | flog(LOG_WARNING, "could not write file list: %s", strerror(errno)); | |
3437 | break; | |
3438 | } | |
3439 | bufdata -= ret; | |
3440 | buf2 += ret; | |
3441 | } | |
50d8d5c1 | 3442 | fclose(out); |
d3372da9 | 3443 | } |
3444 | free(buf); | |
3445 | } | |
3446 | ||
3447 | static struct xmlent | |
3448 | { | |
3449 | wchar_t c; | |
3450 | wchar_t *ent; | |
3451 | } entities[] = { | |
3452 | {L'&', L"&"}, | |
3453 | {L'\"', L"""}, | |
3454 | /* {L'\'', L"""}, Emulate DC++ escaping by omitting this. */ | |
3455 | {L'\0', NULL} | |
3456 | }; | |
3457 | ||
3458 | static wchar_t *escapexml(wchar_t *src) | |
3459 | { | |
3460 | static wchar_t *buf = NULL;; | |
3461 | int ret, c; | |
3462 | wchar_t nbuf[32]; | |
3463 | size_t bufsize, bufdata; | |
3464 | struct xmlent *ent; | |
3465 | ||
3466 | if(buf != NULL) | |
3467 | free(buf); | |
3468 | buf = NULL; | |
3469 | bufsize = bufdata = 0; | |
3470 | for(; *src != L'\0'; src++) | |
3471 | { | |
3472 | c = wctob(*src); | |
3473 | if((c > 0) && (c < 32)) | |
3474 | { | |
3475 | bufcat(buf, L"&#", 2); | |
3476 | ret = swprintf(nbuf, (sizeof(nbuf) / sizeof(*nbuf)), L"%i", c); | |
3477 | bufcat(buf, nbuf, ret); | |
3478 | addtobuf(buf, L';'); | |
3479 | } else { | |
3480 | for(ent = entities; ent->ent != NULL; ent++) | |
3481 | { | |
3482 | if(ent->c == *src) | |
3483 | { | |
3484 | bufcat(buf, ent->ent, wcslen(ent->ent)); | |
3485 | break; | |
3486 | } | |
3487 | } | |
3488 | if(ent->ent == NULL) | |
3489 | addtobuf(buf, *src); | |
3490 | } | |
3491 | } | |
3492 | addtobuf(buf, L'\0'); | |
3493 | return(buf); | |
3494 | } | |
3495 | ||
3496 | static void updatexmllist(void) | |
3497 | { | |
3498 | int i, fd, lev; | |
3499 | FILE *fs; | |
3500 | char cidbuf[14], *namebuf; | |
3501 | char *hashbuf; | |
3502 | struct sharecache *node; | |
3503 | ||
3504 | if(xmllistname != NULL) | |
3505 | { | |
3506 | unlink(xmllistname); | |
3507 | free(xmllistname); | |
3508 | } | |
3509 | xmllistname = sstrdup("/tmp/dc-filelist-dcxml-XXXXXX"); | |
3510 | if((fd = mkstemp(xmllistname)) < 0) | |
3511 | { | |
3512 | flog(LOG_WARNING, "could not create XML file list tempfile: %s", strerror(errno)); | |
3513 | free(xmllistname); | |
3514 | xmllistname = NULL; | |
3515 | return; | |
3516 | } | |
3517 | if((fs = fdopen(fd, "w")) == NULL) | |
3518 | { | |
3519 | flog(LOG_WARNING, "could not fdopen XML list fd %i: %s", fd, strerror(errno)); | |
3520 | unlink(xmllistname); | |
3521 | free(xmllistname); | |
3522 | xmllistname = NULL; | |
3523 | close(fd); | |
3524 | return; | |
3525 | } | |
3526 | fprintf(fs, "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>\r\n"); | |
3527 | for(i = 0; i < sizeof(cidbuf) - 1; i++) | |
3528 | cidbuf[i] = (rand() % ('Z' - 'A' + 1)) + 'A'; | |
3529 | cidbuf[i] = 0; | |
1c4b02cd | 3530 | if(confgetint("dc", "dcppemu")) |
3531 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"DC++ 0.674\">\r\n", cidbuf); | |
3532 | else | |
3533 | fprintf(fs, "<FileListing Version=\"1\" CID=\"%s\" Base=\"/\" Generator=\"%s\">\r\n", cidbuf, "DoldaConnect" VERSION); | |
d3372da9 | 3534 | |
3535 | node = shareroot->child; | |
3536 | lev = 0; | |
3537 | while(1) | |
3538 | { | |
3539 | if((namebuf = icswcstombs(escapexml(node->name), "UTF-8", NULL)) != NULL) | |
3540 | { | |
3541 | for(i = 0; i < lev; i++) | |
3542 | fputc('\t', fs); | |
3543 | if(node->child != NULL) | |
3544 | { | |
3545 | fprintf(fs, "<Directory Name=\"%s\">\r\n", namebuf); | |
3546 | node = node->child; | |
3547 | lev++; | |
3548 | continue; | |
3549 | } else { | |
dcf7a1a2 | 3550 | fprintf(fs, "<File Name=\"%s\" Size=\"%ji\"", namebuf, (intmax_t)node->size); |
d3372da9 | 3551 | if(node->f.b.hastth) |
3552 | { | |
3553 | hashbuf = base32encode(node->hashtth, 24); | |
3554 | fprintf(fs, " TTH=\"%.39s\"", hashbuf); | |
3555 | free(hashbuf); | |
3556 | } | |
3557 | fprintf(fs, "/>\r\n"); | |
3558 | } | |
3559 | while(node->next == NULL) | |
3560 | { | |
3561 | node = node->parent; | |
3562 | if(node == shareroot) | |
3563 | { | |
3564 | break; | |
3565 | } else { | |
3566 | lev--; | |
3567 | for(i = 0; i < lev; i++) | |
3568 | fputc('\t', fs); | |
3569 | fprintf(fs, "</Directory>\r\n"); | |
3570 | } | |
3571 | } | |
3572 | if(node == shareroot) | |
3573 | break; | |
3574 | node = node->next; | |
3575 | } | |
3576 | } | |
3577 | ||
1c4b02cd | 3578 | if(confgetint("dc", "dcppemu")) |
3579 | fprintf(fs, "</FileListing>"); | |
3580 | else | |
3581 | fprintf(fs, "</FileListing>\r\n"); | |
d3372da9 | 3582 | fclose(fs); |
3583 | } | |
3584 | ||
3585 | static void updatexmlbz2list(void) | |
3586 | { | |
3587 | int err, fd; | |
3588 | FILE *in; | |
3589 | FILE *real; | |
3590 | BZFILE *out; | |
3591 | char buf[1024]; | |
3592 | size_t bufdata; | |
3593 | ||
3594 | if(xmllistname == NULL) | |
3595 | return; | |
3596 | if((in = fopen(xmllistname, "r")) == NULL) | |
3597 | { | |
3598 | flog(LOG_WARNING, "could not open XML file list for bzipping: %s", strerror(errno)); | |
3599 | return; | |
3600 | } | |
3601 | if(xmlbz2listname != NULL) | |
3602 | { | |
3603 | unlink(xmlbz2listname); | |
3604 | free(xmlbz2listname); | |
3605 | } | |
3606 | xmlbz2listname = sstrdup("/tmp/dc-filelist-dcxmlbz2-XXXXXX"); | |
3607 | if((fd = mkstemp(xmlbz2listname)) < 0) | |
3608 | { | |
3609 | flog(LOG_WARNING, "could not create bzipped XML file list tempfile: %s", strerror(errno)); | |
3610 | free(xmlbz2listname); | |
3611 | xmlbz2listname = NULL; | |
3612 | fclose(in); | |
3613 | return; | |
3614 | } | |
3615 | if((real = fdopen(fd, "w")) == NULL) | |
3616 | { | |
3617 | flog(LOG_WARNING, "could not fdopen bzipped XML list fd %i: %s", fd, strerror(errno)); | |
3618 | close(fd); | |
3619 | unlink(xmlbz2listname); | |
3620 | free(xmlbz2listname); | |
3621 | xmlbz2listname = NULL; | |
3622 | fclose(in); | |
3623 | return; | |
3624 | } | |
3625 | out = BZ2_bzWriteOpen(&err, real, 9, 0, 0); | |
3626 | if(err != BZ_OK) | |
3627 | { | |
3628 | flog(LOG_WARNING, "could not open bzip2 stream from XML list"); | |
3629 | fclose(real); | |
3630 | unlink(xmlbz2listname); | |
3631 | free(xmlbz2listname); | |
3632 | xmlbz2listname = NULL; | |
3633 | fclose(in); | |
3634 | return; | |
3635 | } | |
3636 | while(!feof(in)) | |
3637 | { | |
3638 | bufdata = fread(buf, 1, sizeof(buf), in); | |
3639 | BZ2_bzWrite(&err, out, buf, bufdata); | |
3640 | } | |
3641 | fclose(in); | |
3642 | BZ2_bzWriteClose(&err, out, 0, NULL, NULL); | |
3643 | fclose(real); | |
3644 | } | |
3645 | ||
6305c428 | 3646 | static void listtimercb(int cancelled, void *uudata) |
3647 | { | |
3648 | listwritetimer = NULL; | |
3649 | if(!cancelled) | |
3650 | updatelists(1); | |
3651 | } | |
3652 | ||
3653 | static void updatelists(int now) | |
d3372da9 | 3654 | { |
000ca725 | 3655 | if((hmlistname == NULL) || (xmllistname == NULL) || (xmlbz2listname == NULL)) |
3656 | now = 1; | |
6305c428 | 3657 | if(!now) |
3658 | { | |
3659 | if(listwritetimer == NULL) | |
ddb3658e | 3660 | listwritetimer = timercallback(ntime() + confgetint("cli", "hashwritedelay"), listtimercb, NULL); |
6305c428 | 3661 | return; |
3662 | } | |
3663 | if(listwritetimer != NULL) | |
3664 | canceltimer(listwritetimer); | |
d3372da9 | 3665 | updatehmlist(); |
3666 | updatexmllist(); | |
3667 | updatexmlbz2list(); | |
6305c428 | 3668 | } |
3669 | ||
3670 | static int shareupdate(unsigned long long uusharesize, void *data) | |
3671 | { | |
3672 | updatelists(0); | |
d3372da9 | 3673 | return(0); |
3674 | } | |
3675 | ||
7395a37f FT |
3676 | static char *quotestr(char *str) |
3677 | { | |
3678 | unsigned char *buf; | |
3679 | unsigned char *p; | |
3680 | size_t bufsize, bufdata; | |
3681 | wchar_t *wbuf; | |
3682 | static char *enc = NULL; | |
3683 | size_t encsize, encdata; | |
3684 | ||
3685 | buf = NULL; | |
3686 | bufsize = bufdata = 0; | |
3687 | for(p = (unsigned char *)str; *p; p++) | |
3688 | { | |
3689 | if(*p == '\b') | |
3690 | bufcat(buf, "\\b", 2); | |
3691 | else if(*p == '\t') | |
3692 | bufcat(buf, "\\t", 2); | |
3693 | else if(*p == '\n') | |
3694 | bufcat(buf, "\\n", 2); | |
3695 | else if(*p == '\r') | |
3696 | bufcat(buf, "\\r", 2); | |
3697 | else if(*p == '\\') | |
3698 | bufcat(buf, "\\\\", 2); | |
3699 | else if(*p >= 32) | |
3700 | addtobuf(buf, *p); | |
3701 | else | |
3702 | bprintf(buf, "\\x%02x", *p); | |
3703 | } | |
3704 | addtobuf(buf, 0); | |
3705 | if(enc != NULL) | |
3706 | free(enc); | |
3707 | enc = NULL; | |
3708 | if((wbuf = icmbstowcs((char *)buf, DCCHARSET)) != NULL) | |
3709 | { | |
3710 | enc = icwcstombs(wbuf, NULL); | |
3711 | free(wbuf); | |
3712 | } | |
3713 | if(enc == NULL) | |
3714 | { | |
3715 | encsize = encdata = 0; | |
3716 | for(p = buf; *p; p++) { | |
3717 | if(*p < 128) | |
3718 | addtobuf(enc, *p); | |
3719 | else | |
3720 | bprintf(buf, "\\x%x", *p); | |
3721 | } | |
3722 | } | |
3723 | free(buf); | |
3724 | return(enc); | |
3725 | } | |
3726 | ||
c1928259 | 3727 | static void logunimpl(char *list, char *cmd, char *args) |
7395a37f FT |
3728 | { |
3729 | FILE *log; | |
3730 | ||
3731 | if((log = fopen("/tmp/dc-unimpl", "a")) == NULL) | |
3732 | { | |
3733 | flog(LOG_WARNING, "could not open unimpl log: %s", strerror(errno)); | |
3734 | return; | |
3735 | } | |
c1928259 FT |
3736 | fputs(list, log); |
3737 | fputc('\t', log); | |
7395a37f FT |
3738 | fputs(quotestr(cmd), log); |
3739 | if(args != NULL) | |
3740 | { | |
3741 | fputc('\t', log); | |
3742 | fputs(quotestr(args), log); | |
3743 | } | |
3744 | fputc('\n', log); | |
3745 | fclose(log); | |
3746 | } | |
3747 | ||
d3372da9 | 3748 | static void dispatchcommand(struct qcommand *qcmd, struct command *cmdlist, struct socket *sk, void *data) |
3749 | { | |
3750 | char *p; | |
3751 | struct command *cmd; | |
3752 | ||
3753 | if((p = strchr(qcmd->string, ' ')) != NULL) | |
3754 | *(p++) = 0; | |
3755 | for(cmd = cmdlist; cmd->handler != NULL; cmd++) | |
3756 | { | |
3757 | if(!strcmp(cmd->name, qcmd->string)) | |
3758 | break; | |
3759 | } | |
3760 | if(cmd->handler != NULL) | |
c1928259 | 3761 | { |
d3372da9 | 3762 | cmd->handler(sk, data, qcmd->string, p); |
c1928259 FT |
3763 | } else if(confgetint("dc", "logunimpl")) { |
3764 | if(cmdlist == hubcmds) | |
3765 | logunimpl("hub", qcmd->string, p); | |
3766 | else if(cmdlist == peercmds) | |
3767 | logunimpl("peer", qcmd->string, p); | |
3768 | else | |
3769 | logunimpl("other?!", qcmd->string, p); | |
3770 | } | |
d3372da9 | 3771 | } |
3772 | ||
3773 | static int run(void) | |
3774 | { | |
3775 | struct fnetnode *fn, *nextfn; | |
3776 | struct dchub *hub; | |
3777 | struct dcpeer *peer, *nextpeer; | |
3778 | struct qcommand *qcmd; | |
e0731d8c | 3779 | int ret, quota; |
d3372da9 | 3780 | |
3781 | ret = 0; | |
e0731d8c | 3782 | quota = 20; |
d3372da9 | 3783 | for(fn = fnetnodes; fn != NULL; fn = nextfn) |
3784 | { | |
3785 | nextfn = fn->next; | |
3786 | if(fn->fnet != &dcnet) | |
3787 | continue; | |
3788 | if(fn->data == NULL) | |
3789 | continue; | |
3790 | hub = (struct dchub *)fn->data; | |
e0731d8c | 3791 | while((quota > 0) && ((qcmd = ulqcmd(&hub->queue)) != NULL)) |
d3372da9 | 3792 | { |
3793 | if(*qcmd->string == '$') | |
3794 | { | |
ffa81d5f FT |
3795 | if((hub->sk != NULL) && (hub->sk->state == SOCK_EST)) |
3796 | dispatchcommand(qcmd, hubcmds, hub->sk, fn); | |
d3372da9 | 3797 | } else if(*qcmd->string != 0) { |
ffa81d5f | 3798 | hubrecvchat(hub->sk, fn, NULL, qcmd->string); |
d3372da9 | 3799 | } |
3800 | freeqcmd(qcmd); | |
3801 | ret = 1; | |
e0731d8c | 3802 | quota--; |
d3372da9 | 3803 | } |
e0731d8c | 3804 | if(hub->queue.size < 1000) |
81286a22 | 3805 | hubread(hub->sk, fn); |
e0731d8c FT |
3806 | if(quota < 1) |
3807 | break; | |
d3372da9 | 3808 | } |
e0731d8c | 3809 | quota = 20; |
2bf4942d | 3810 | for(peer = peers; peer != NULL; peer = peer->next) |
d3372da9 | 3811 | { |
2bf4942d | 3812 | while(!peer->close && (quota > 0) && ((qcmd = ulqcmd(&peer->queue)) != NULL)) |
d3372da9 | 3813 | { |
1e9d82b1 | 3814 | if(peer->timeout != NULL) |
3815 | canceltimer(peer->timeout); | |
3816 | peer->timeout = timercallback(ntime() + 180, (void (*)(int, void *))peertimeout, peer); | |
d3372da9 | 3817 | if(*qcmd->string == '$') |
3818 | dispatchcommand(qcmd, peercmds, peer->sk, peer); | |
3819 | freeqcmd(qcmd); | |
3820 | ret = 1; | |
e0731d8c | 3821 | quota--; |
d3372da9 | 3822 | } |
e0731d8c | 3823 | if((peer->queue.size < 50) && (peer->inbufdata < 500000)) |
81286a22 | 3824 | peerread(peer->sk, peer); |
e0731d8c FT |
3825 | if(quota < 1) |
3826 | break; | |
d3372da9 | 3827 | } |
2bf4942d FT |
3828 | for(peer = peers; peer != NULL; peer = nextpeer) |
3829 | { | |
3830 | nextpeer = peer->next; | |
3831 | if(peer->close) | |
3832 | freedcpeer(peer); | |
3833 | } | |
d3372da9 | 3834 | return(ret); |
3835 | } | |
3836 | ||
3837 | static void preinit(int hup) | |
3838 | { | |
3839 | if(hup) | |
3840 | return; | |
3841 | regfnet(&dcnet); | |
3842 | } | |
3843 | ||
3844 | static int updateudpport(struct configvar *var, void *uudata) | |
3845 | { | |
3846 | struct sockaddr_in addr; | |
3847 | struct socket *newsock; | |
3848 | ||
3849 | memset(&addr, 0, sizeof(addr)); | |
3850 | addr.sin_family = AF_INET; | |
3851 | addr.sin_port = htons(var->val.num); | |
3852 | if((newsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) | |
3853 | { | |
3854 | flog(LOG_WARNING, "could not create new DC UDP socket, reverting to old: %s", strerror(errno)); | |
3855 | return(0); | |
3856 | } | |
cab0b442 | 3857 | newsock->readcb = udpread; |
d3372da9 | 3858 | if(udpsock != NULL) |
3859 | putsock(udpsock); | |
3860 | udpsock = newsock; | |
3861 | return(0); | |
3862 | } | |
3863 | ||
3864 | static int updatetcpport(struct configvar *var, void *uudata) | |
3865 | { | |
3866 | struct sockaddr_in addr; | |
d1ef0200 | 3867 | struct lport *newsock; |
d3372da9 | 3868 | |
3869 | memset(&addr, 0, sizeof(addr)); | |
3870 | addr.sin_family = AF_INET; | |
3871 | addr.sin_port = htons(var->val.num); | |
3872 | if((newsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) | |
3873 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); | |
3874 | if(tcpsock != NULL) | |
d1ef0200 | 3875 | closelport(tcpsock); |
d3372da9 | 3876 | tcpsock = newsock; |
3877 | return(0); | |
3878 | } | |
3879 | ||
3880 | static int init(int hup) | |
3881 | { | |
3882 | struct sockaddr_in addr; | |
3883 | ||
3884 | if(!hup) | |
3885 | { | |
3886 | GCBREG(sharechangecb, shareupdate, NULL); | |
3887 | if(udpsock != NULL) | |
3888 | putsock(udpsock); | |
3889 | if(tcpsock != NULL) | |
d1ef0200 | 3890 | closelport(tcpsock); |
d3372da9 | 3891 | addr.sin_family = AF_INET; |
3892 | memset(&addr.sin_addr, 0, sizeof(addr.sin_addr)); | |
3893 | addr.sin_port = htons(confgetint("dc", "udpport")); | |
3894 | if((udpsock = netcsdgram((struct sockaddr *)&addr, sizeof(addr))) == NULL) | |
3895 | { | |
3896 | flog(LOG_CRIT, "could not create DC UDP socket: %s", strerror(errno)); | |
3897 | return(1); | |
3898 | } | |
cab0b442 | 3899 | udpsock->readcb = udpread; |
d3372da9 | 3900 | addr.sin_port = htons(confgetint("dc", "tcpport")); |
3901 | if((tcpsock = netcslisten(SOCK_STREAM, (struct sockaddr *)&addr, sizeof(addr), peeraccept, NULL)) == NULL) | |
3902 | flog(LOG_INFO, "could not listen to a remote address, going into passive mode"); | |
3903 | CBREG(confgetvar("dc", "udpport"), conf_update, updateudpport, NULL, NULL); | |
3904 | CBREG(confgetvar("dc", "tcpport"), conf_update, updatetcpport, NULL, NULL); | |
3905 | CBREG(confgetvar("net", "mode"), conf_update, updatetcpport, NULL, NULL); | |
3906 | } | |
3907 | return(0); | |
3908 | } | |
3909 | ||
3910 | static void terminate(void) | |
3911 | { | |
3912 | if(hmlistname != NULL) | |
3913 | { | |
3914 | unlink(hmlistname); | |
3915 | free(hmlistname); | |
3916 | } | |
3917 | if(xmllistname != NULL) | |
3918 | { | |
3919 | unlink(xmllistname); | |
3920 | free(xmllistname); | |
3921 | } | |
3922 | if(xmlbz2listname != NULL) | |
3923 | { | |
3924 | unlink(xmlbz2listname); | |
3925 | free(xmlbz2listname); | |
3926 | } | |
3927 | } | |
3928 | ||
3929 | static struct configvar myvars[] = | |
3930 | { | |
d9f89ef5 | 3931 | /** Specifies the share description reported to other DC users. */ |
d3372da9 | 3932 | {CONF_VAR_STRING, "desc", {.str = L""}}, |
d9f89ef5 | 3933 | /** Specifies the speed reported to other DC users. Normal values |
3934 | * are 28.8Kbps, 33.6Kbps, 56Kbps, Satellite, ISDN, DSL, Cable, | |
3935 | * LAN(T1) or LAN(T3)*/ | |
d3372da9 | 3936 | {CONF_VAR_STRING, "speedstring", {.str = L"LAN(T1)"}}, |
d9f89ef5 | 3937 | /** The e-mail address to report to other DC users. */ |
d3372da9 | 3938 | {CONF_VAR_STRING, "email", {.str = L"spam@spam.org"}}, |
d9f89ef5 | 3939 | /** Specifies a specific UDP port to use for DC search results. If |
3940 | * left unspecified, a port is allocated dynamically. Useful for | |
3941 | * NAT routers (see also the net.visibleipv4 address for those | |
3942 | * cases). */ | |
d3372da9 | 3943 | {CONF_VAR_INT, "udpport", {.num = 0}}, |
d9f89ef5 | 3944 | /** Specifies a specific TCP port to use for DC peer |
3945 | * connections. If left unspecified, a port is allocated | |
3946 | * dynamically. Useful for NAT routers (see also the | |
3947 | * net.visibleipv4 address for those cases). */ | |
d3372da9 | 3948 | {CONF_VAR_INT, "tcpport", {.num = 0}}, |
d9f89ef5 | 3949 | /** If set to true, doldacond will do its best to emulate DC++ |
3950 | * (currently v0.674). This should be left off if at all possible, | |
3951 | * since turning it on will violate the rules of most hubs and | |
3952 | * thus give hub owners an actual reason to kick you if it is | |
3953 | * detected. It might be needed for some of the more bone-headed | |
3954 | * hub owners, though. Note that DC++ emulation can also be turned | |
3955 | * on or off for individual hubs, overriding this setting. */ | |
1c4b02cd | 3956 | {CONF_VAR_BOOL, "dcppemu", {.num = 0}}, |
7395a37f FT |
3957 | /** Use for debugging. If set to true, doldacond will log all |
3958 | * unknown commands it receives, and their arguments, to | |
3959 | * /tmp/dc-unimpl. */ | |
3960 | {CONF_VAR_BOOL, "logunimpl", {.num = 0}}, | |
4b544330 FT |
3961 | /** If set to true, doldacond will hide its support for deflate |
3962 | * compression of transfers from other clients, so that they will | |
3963 | * not request compressed uploads. Compressed transfers may | |
3964 | * consume a non-trivial amount of CPU time on slower machines. */ | |
3965 | {CONF_VAR_BOOL, "hidedeflate", {.num = 0}}, | |
d3372da9 | 3966 | {CONF_VAR_END} |
3967 | }; | |
3968 | ||
3969 | static struct module me = | |
3970 | { | |
3971 | .conf = | |
3972 | { | |
3973 | .vars = myvars | |
3974 | }, | |
3975 | .preinit = preinit, | |
3976 | .init = init, | |
3977 | .run = run, | |
3978 | .terminate = terminate, | |
3979 | .name = "dc" | |
3980 | }; | |
3981 | ||
3982 | MODULE(me) |