d3372da9 |
1 | /* |
2 | * Dolda Connect - Modular multiuser Direct Connect-style client |
3 | * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com) |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 | */ |
19 | #define _GNU_SOURCE |
20 | #include <unistd.h> |
21 | #include <stdlib.h> |
22 | #include <malloc.h> |
23 | #include <sys/socket.h> |
24 | #include <netinet/in.h> |
25 | #include <netinet/ip6.h> |
26 | #include <errno.h> |
27 | #include <string.h> |
28 | #include <stdarg.h> |
29 | #include <wchar.h> |
30 | #include <wctype.h> |
31 | #include <iconv.h> |
32 | #include <pwd.h> |
33 | #include <time.h> |
34 | #include <fcntl.h> |
35 | #include <signal.h> |
36 | |
37 | #ifdef HAVE_CONFIG_H |
38 | #include <config.h> |
39 | #endif |
40 | #include "conf.h" |
41 | #include "auth.h" |
42 | #include "utils.h" |
43 | #include "net.h" |
44 | #include "module.h" |
45 | #include "sysevents.h" |
46 | #include "filenet.h" |
47 | #include "transfer.h" |
48 | #include "search.h" |
49 | #include "client.h" |
50 | |
51 | #define PERM_DISALLOW 1 |
52 | #define PERM_ADMIN 2 |
53 | #define PERM_FNETCTL 4 |
54 | #define PERM_TRANS 8 |
55 | #define PERM_TRANSCU 16 |
56 | #define PERM_CHAT 32 |
57 | #define PERM_SRCH 64 |
58 | |
59 | #define NOTIF_END 0 |
60 | #define NOTIF_INT 1 |
61 | #define NOTIF_STR 2 |
62 | #define NOTIF_FLOAT 3 |
63 | #define NOTIF_ID 4 |
64 | #define NOTIF_PEND 0 |
65 | #define NOTIF_WAIT 1 |
66 | |
67 | struct uidata; |
68 | |
69 | struct command |
70 | { |
71 | wchar_t *name; |
72 | void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv); |
73 | }; |
74 | |
75 | struct qcommand |
76 | { |
77 | struct qcommand *next; |
78 | struct command *cmd; |
79 | int argc; |
80 | wchar_t **argv; |
81 | }; |
82 | |
83 | struct uiuser |
84 | { |
85 | struct uiuser *next, *prev; |
86 | int used; |
87 | wchar_t *name; |
88 | unsigned long perms; |
89 | int delete; |
90 | }; |
91 | |
92 | struct notif |
93 | { |
94 | struct notif *next, *prev; |
95 | struct uidata *ui; |
96 | int state; |
97 | int code; |
98 | double rlimit; |
99 | size_t argc; |
100 | struct timer *exptimer; |
101 | struct notifarg |
102 | { |
103 | int dt; |
104 | union |
105 | { |
106 | int n; |
107 | wchar_t *s; |
108 | double d; |
109 | } d; |
110 | } *argv; |
111 | }; |
112 | |
113 | struct uidata |
114 | { |
115 | struct uidata *next, *prev; |
116 | struct socket *sk; |
117 | struct qcommand *queue, *queuelast; |
118 | struct authhandle *auth; |
119 | int close; |
120 | union |
121 | { |
122 | struct |
123 | { |
124 | int fnact:1; |
125 | int fnchat:1; |
126 | int tract:1; |
127 | int trprog:1; |
128 | int srch:1; |
129 | } b; |
130 | int w; |
131 | } notify; |
132 | wchar_t *username; |
133 | struct uiuser *userinfo; |
134 | uid_t uid; |
135 | struct notif *fnotif, *lnotif; |
136 | char *fcmdbuf; |
137 | size_t fcmdbufdata, fcmdbufsize; |
138 | pid_t fcmdpid; |
139 | struct socket *fcmdsk; |
140 | /* Read buffer */ |
141 | char *inbuf; |
142 | size_t inbufsize, indata; |
143 | /* Wordset storage */ |
144 | wchar_t **argv; |
145 | int argc, args; |
146 | /* WCS conversation stuff */ |
147 | wchar_t *cb; /* Conversation buffer */ |
148 | size_t cbsize, cbdata; |
149 | iconv_t ichandle; |
150 | /* Parser data */ |
151 | int ps; /* Parser state */ |
152 | wchar_t *pp; /* Current parse pointer */ |
153 | wchar_t *cw; /* Current word (building storage) */ |
154 | size_t cwsize, cwdata; |
155 | }; |
156 | |
157 | static int srcheta(struct search *srch, void *uudata); |
158 | static int srchcommit(struct search *srch, void *uudata); |
159 | static int srchres(struct search *srch, struct srchres *sr, void *uudata); |
160 | |
161 | struct uiuser *users = NULL; |
162 | struct uidata *actives = NULL; |
163 | struct socket *uisocket = NULL; |
164 | |
165 | static wchar_t *quoteword(wchar_t *word) |
166 | { |
167 | wchar_t *wp, *buf, *bp; |
168 | int dq, numbs, numc; |
169 | |
170 | dq = 0; |
171 | numbs = 0; |
172 | numc = 0; |
173 | if(*word == L'\0') |
174 | { |
175 | dq = 1; |
176 | } else { |
177 | for(wp = word; *wp != L'\0'; wp++) |
178 | { |
179 | if(!dq && iswspace(*wp)) |
180 | dq = 1; |
181 | if((*wp == L'\\') || (*wp == L'\"')) |
182 | numbs++; |
183 | numc++; |
184 | } |
185 | } |
186 | if(!dq && !numbs) |
187 | return(NULL); |
188 | bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1)); |
189 | if(dq) |
190 | *(bp++) = L'\"'; |
191 | for(wp = word; *wp != L'\0'; wp++) |
192 | { |
193 | if((*wp == L'\\') || (*wp == L'\"')) |
194 | *(bp++) = L'\\'; |
195 | *(bp++) = *wp; |
196 | } |
197 | if(dq) |
198 | *(bp++) = L'\"'; |
199 | *(bp++) = L'\0'; |
200 | return(buf); |
201 | } |
202 | |
203 | static void sq(struct socket *sk, int cont, ...) |
204 | { |
205 | int num, freepart; |
206 | va_list al; |
207 | char *final; |
208 | wchar_t *buf; |
209 | wchar_t *part, *tpart; |
210 | size_t bufsize, bufdata; |
211 | |
212 | buf = NULL; |
213 | bufsize = bufdata = 0; |
214 | num = 0; |
215 | va_start(al, cont); |
216 | while((part = va_arg(al, wchar_t *)) != NULL) |
217 | { |
218 | if(*part == L'%') |
219 | { |
220 | /* |
221 | * This kludge demands that all arguments that you call it |
222 | * with are the size of an int. That happens to be the |
223 | * case for most datatypes on most platforms and |
224 | * compilers, but I don't know exactly which ones, and |
225 | * also a long long is a notable candidate of an arg that |
226 | * is not the size of an int on 32-bit archs. If it breaks |
227 | * some existing call on your architecture, please tell |
228 | * me. |
229 | */ |
230 | part = vswprintf2(tpart = (part + 1), al); |
231 | for(; *tpart != L'\0'; tpart++) |
232 | { |
233 | if(*tpart == L'%') |
234 | { |
235 | if(tpart[1] == L'%') |
236 | tpart++; |
237 | else |
238 | va_arg(al, int); |
239 | } |
240 | } |
241 | freepart = 1; |
242 | } else { |
243 | freepart = 0; |
244 | } |
245 | if((tpart = quoteword(part)) != NULL) |
246 | { |
247 | if(freepart) |
248 | free(part); |
249 | part = tpart; |
250 | freepart = 1; |
251 | } |
252 | if((num > 1) || ((num == 1) && !(cont & 1))) |
253 | addtobuf(buf, L' '); |
254 | bufcat(buf, part, wcslen(part)); |
255 | if((num == 0) && (cont & 1)) |
256 | addtobuf(buf, L'-'); |
257 | num++; |
258 | if(freepart) |
259 | free(part); |
260 | } |
261 | if(cont & 2) |
262 | bufcat(buf, L" \0", 2); |
263 | else |
264 | bufcat(buf, L"\r\n\0", 3); |
265 | if((final = icwcstombs(buf, "utf-8")) == NULL) |
266 | { |
267 | flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno)); |
268 | free(buf); |
269 | return; |
270 | } |
271 | va_end(al); |
272 | free(buf); |
273 | sockqueue(sk, final, strlen(final)); |
274 | free(final); |
275 | } |
276 | |
277 | struct uiuser *finduser(wchar_t *name) |
278 | { |
279 | struct uiuser *user; |
280 | |
281 | for(user = users; user != NULL; user = user->next) |
282 | { |
283 | if(!wcscmp(user->name, name)) |
284 | break; |
285 | } |
286 | return(user); |
287 | } |
288 | |
289 | static void logout(struct uidata *data) |
290 | { |
291 | data->userinfo = NULL; |
292 | if(data->username != NULL) |
293 | free(data->username); |
294 | data->username = NULL; |
295 | if(data->auth != NULL) |
296 | authputhandle(data->auth); |
297 | data->auth = NULL; |
298 | } |
299 | |
300 | static int haspriv(struct uidata *data, int perm) |
301 | { |
302 | if(data->userinfo == NULL) |
303 | return(0); |
304 | if(data->userinfo->perms & perm) |
305 | return(1); |
306 | else |
307 | return(0); |
308 | } |
309 | |
310 | /* Useful macros for the command functions: */ |
311 | #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0) |
312 | #define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"%Unauthorized request - %x needed", (p), NULL); return; } } while(0) |
313 | |
314 | static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
315 | { |
316 | int valid; |
317 | |
318 | if(confgetint("ui", "onlylocal")) |
319 | { |
320 | switch(sk->remote->sa_family) |
321 | { |
322 | case AF_INET: |
323 | valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK; |
324 | break; |
325 | case AF_INET6: |
326 | valid = !memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)); |
327 | break; |
328 | default: |
329 | valid = 0; |
330 | break; |
331 | } |
332 | if(!valid) |
333 | { |
334 | sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL); |
335 | sk->close = 1; |
336 | data->close = 1; |
337 | return; |
338 | } |
339 | } |
340 | sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL); |
341 | } |
342 | |
343 | static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
344 | { |
345 | if((argv != NULL) && (argv[0] != NULL)) |
346 | sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL); |
347 | else |
348 | sq(sk, 0, L"500", L"No command", NULL); |
349 | } |
350 | |
351 | static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
352 | { |
353 | extern volatile int running; |
354 | |
355 | havepriv(PERM_ADMIN); |
356 | flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username); |
357 | running = 0; |
358 | sq(sk, 0, L"200", L"Daemon shutting down", NULL); |
359 | } |
360 | |
361 | static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
362 | { |
363 | sq(sk, 0, L"200", L"Closing connection", NULL); |
364 | data->close = 1; |
365 | } |
366 | |
367 | static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
368 | { |
369 | struct authmech *mech, *prev; |
370 | |
371 | prev = NULL; |
372 | for(mech = mechs; mech != NULL; mech = mech->next) |
373 | { |
374 | if(mech->enabled) |
375 | { |
376 | if(prev != NULL) |
377 | sq(sk, 1, L"200", prev->name, NULL); |
378 | prev = mech; |
379 | } |
380 | } |
381 | if(prev == NULL) |
382 | sq(sk, 0, L"201", L"No authentication methods supported", NULL); |
383 | else |
384 | sq(sk, 0, L"200", prev->name, NULL); |
385 | } |
386 | |
387 | static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
388 | { |
389 | char *buf; |
390 | int code; |
391 | struct passwd *pwd; |
392 | |
393 | haveargs(3); |
394 | if(data->username != NULL) |
395 | { |
396 | if(data->userinfo != NULL) |
397 | sq(sk, 0, L"503", L"Already logged in", NULL); |
398 | else |
399 | sq(sk, 0, L"503", L"Already logging in", NULL); |
400 | return; |
401 | } |
402 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
403 | { |
404 | sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL); |
405 | return; |
406 | } |
407 | data->username = swcsdup(argv[2]); |
408 | if((pwd = getpwnam(buf)) == NULL) |
409 | data->uid = -1; |
410 | else |
411 | data->uid = pwd->pw_uid; |
412 | if((data->auth = initauth(argv[1], buf)) == NULL) |
413 | { |
414 | if(errno == ENOENT) |
415 | sq(sk, 0, L"508", L"No such authentication mechanism", NULL); |
416 | else |
417 | sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL); |
418 | free(buf); |
419 | logout(data); |
420 | return; |
421 | } |
422 | free(buf); |
423 | switch(authenticate(data->auth, NULL)) |
424 | { |
425 | case AUTH_SUCCESS: |
426 | data->userinfo = finduser(data->username); |
427 | if(data->userinfo == NULL) |
428 | data->userinfo = finduser(L"default"); |
429 | if(data->uid == -1) |
430 | { |
431 | sq(sk, 0, L"506", L"Authentication error", NULL); |
432 | flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username); |
433 | logout(data); |
434 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
435 | sq(sk, 0, L"506", L"Authentication error", NULL); |
436 | flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username); |
437 | logout(data); |
438 | } else { |
439 | sq(sk, 0, L"200", L"Welcome", NULL); |
440 | flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid); |
441 | } |
442 | break; |
443 | case AUTH_DENIED: |
444 | sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
445 | logout(data); |
446 | break; |
447 | case AUTH_PASS: |
448 | switch(data->auth->prompt) |
449 | { |
450 | case AUTH_PR_AUTO: |
451 | code = 300; |
452 | break; |
453 | case AUTH_PR_NOECHO: |
454 | code = 301; |
455 | break; |
456 | case AUTH_PR_ECHO: |
457 | code = 302; |
458 | break; |
459 | case AUTH_PR_INFO: |
460 | code = 303; |
461 | break; |
462 | case AUTH_PR_ERROR: |
463 | code = 304; |
464 | break; |
465 | } |
466 | sq(sk, 0, L"%%i", code, data->auth->text, NULL); |
467 | break; |
468 | case AUTH_ERR: |
469 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
470 | logout(data); |
471 | break; |
472 | default: |
473 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login"); |
474 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
475 | logout(data); |
476 | break; |
477 | } |
478 | } |
479 | |
480 | static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
481 | { |
482 | char *buf; |
483 | int code; |
484 | |
485 | haveargs(2); |
486 | if((buf = icwcstombs(argv[1], NULL)) == NULL) |
487 | { |
488 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
489 | return; |
490 | } |
491 | if((data->auth == NULL) || (data->userinfo != NULL)) |
492 | { |
493 | sq(sk, 0, L"507", L"Data not expected", NULL); |
494 | return; |
495 | } |
496 | switch(authenticate(data->auth, buf)) |
497 | { |
498 | case AUTH_SUCCESS: |
499 | data->userinfo = finduser(data->username); |
500 | if(data->userinfo == NULL) |
501 | data->userinfo = finduser(L"default"); |
502 | if(data->uid == -1) |
503 | { |
504 | sq(sk, 0, L"506", L"Authentication error", NULL); |
505 | flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username); |
506 | logout(data); |
507 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
508 | sq(sk, 0, L"506", L"Authentication error", NULL); |
509 | flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username); |
510 | logout(data); |
511 | } else { |
512 | sq(sk, 0, L"200", L"Welcome", NULL); |
513 | flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid); |
514 | } |
515 | break; |
516 | case AUTH_DENIED: |
517 | sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
518 | logout(data); |
519 | break; |
520 | case AUTH_PASS: |
521 | switch(data->auth->prompt) |
522 | { |
523 | case AUTH_PR_AUTO: |
524 | code = 300; |
525 | break; |
526 | case AUTH_PR_NOECHO: |
527 | code = 301; |
528 | break; |
529 | case AUTH_PR_ECHO: |
530 | code = 302; |
531 | break; |
532 | case AUTH_PR_INFO: |
533 | code = 303; |
534 | break; |
535 | case AUTH_PR_ERROR: |
536 | code = 304; |
537 | break; |
538 | } |
539 | sq(sk, 0, L"%%i", code, data->auth->text, NULL); |
540 | break; |
541 | case AUTH_ERR: |
542 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
543 | logout(data); |
544 | break; |
545 | default: |
546 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass"); |
547 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
548 | logout(data); |
549 | break; |
550 | } |
551 | free(buf); |
552 | } |
553 | |
554 | static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
555 | { |
556 | int i; |
557 | char *buf; |
558 | int err; |
559 | struct fnetnode *fn; |
560 | |
561 | haveargs(3); |
562 | havepriv(PERM_FNETCTL); |
563 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
564 | { |
565 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
566 | return; |
567 | } |
568 | fn = fnetinitconnect(argv[1], buf); |
569 | err = errno; |
570 | free(buf); |
571 | if(fn == NULL) |
572 | { |
573 | if(errno == EPROTONOSUPPORT) |
574 | sq(sk, 0, L"511", L"No such network name", NULL); |
575 | else |
576 | sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL); |
577 | return; |
578 | } |
579 | for(i = 3; i < argc - 1; i += 2) |
580 | { |
581 | if(!wcscmp(argv[i], L"nick")) |
582 | fnetsetnick(fn, argv[i + 1]); |
583 | } |
584 | linkfnetnode(fn); |
585 | fnetsetname(fn, argv[2]); |
586 | putfnetnode(fn); |
587 | sq(sk, 0, L"200", L"Connection under way", NULL); |
588 | } |
589 | |
590 | static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
591 | { |
592 | struct fnetnode *fn; |
593 | |
594 | if(fnetnodes == NULL) |
595 | { |
596 | sq(sk, 0, L"201", L"No connected nodes", NULL); |
597 | return; |
598 | } |
599 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
600 | { |
601 | sq(sk, (fn->next != NULL)?1:0, L"200", L"%%i", fn->id, fn->fnet->name, (fn->name == NULL)?L"":fn->name, L"%%i", fn->numpeers, L"%%i", fn->state, NULL); |
602 | } |
603 | } |
604 | |
605 | static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
606 | { |
607 | struct fnetnode *fn; |
608 | int i; |
609 | |
610 | haveargs(2); |
611 | havepriv(PERM_FNETCTL); |
612 | /* Note - Programmatical user interfaces must only give one |
613 | * argument per command, the multiple argument form is only for |
614 | * convenience when manually controlling the daemon via |
615 | * eg. telnet. The reason is that the return codes aren't clear |
616 | * enough for the multiple argument form. */ |
617 | for(i = 1; i < argc; i++) |
618 | { |
619 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
620 | { |
621 | sq(sk, 0, L"510", L"No such node", NULL); |
622 | return; |
623 | } |
624 | killfnetnode(fn); |
625 | unlinkfnetnode(fn); |
626 | } |
627 | sq(sk, 0, L"200", L"Node flagged for disconnection", NULL); |
628 | } |
629 | |
630 | static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
631 | { |
632 | struct fnetnode *fn; |
633 | struct fnetpeerdatum *datum; |
634 | |
635 | haveargs(2); |
636 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
637 | { |
638 | sq(sk, 0, L"510", L"No such node", NULL); |
639 | return; |
640 | } |
641 | if(fn->peerdata == NULL) |
642 | { |
643 | sq(sk, 0, L"201", L"No data available", NULL); |
644 | } else { |
645 | for(datum = fn->peerdata; datum != NULL; datum = datum->next) |
646 | sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL); |
647 | } |
648 | } |
649 | |
650 | static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
651 | { |
652 | int i; |
653 | struct fnetnode *fn; |
654 | struct fnetpeer *peer; |
655 | wchar_t buf[40]; |
656 | |
657 | haveargs(2); |
658 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
659 | { |
660 | sq(sk, 0, L"510", L"No such node", NULL); |
661 | return; |
662 | } |
663 | if(fn->peers == NULL) |
664 | { |
665 | sq(sk, 0, L"201", L"No peers avaiable", NULL); |
666 | } else { |
667 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
668 | { |
669 | sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL); |
670 | for(i = 0; i < peer->dinum; i++) |
671 | { |
672 | if(peer->peerdi[i].datum->datatype == FNPD_INT) |
673 | sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL); |
674 | /* Note: A long long is not the size of an int, so |
675 | * sq() can't handle the conversion itself. */ |
676 | if(peer->peerdi[i].datum->datatype == FNPD_LL) |
677 | { |
678 | swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum); |
679 | sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL); |
680 | } |
681 | if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL)) |
682 | sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL); |
683 | } |
684 | sq(sk, 0, NULL); |
685 | } |
686 | } |
687 | } |
688 | |
689 | static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
690 | { |
691 | int i; |
692 | struct fnet *net; |
693 | struct fnetnode *fn; |
694 | struct transfer *transfer; |
695 | struct fnetpeer *peer; |
696 | |
697 | haveargs(4); |
698 | if((argc > 5) && ((argc % 2) == 0)) |
699 | { |
700 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
701 | return; |
702 | } |
703 | havepriv(PERM_TRANS); |
704 | if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9')) |
705 | { |
706 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
707 | { |
708 | sq(sk, 0, L"510", L"No such node", NULL); |
709 | return; |
710 | } |
711 | net = fn->fnet; |
712 | } else { |
713 | fn = NULL; |
714 | if((net = findfnet(argv[1])) == NULL) |
715 | { |
716 | sq(sk, 0, L"511", L"No such network name", NULL); |
717 | return; |
718 | } |
719 | } |
720 | transfer = newtransfer(); |
721 | authgethandle(transfer->auth = data->auth); |
722 | transfer->fnet = net; |
723 | transfer->peerid = swcsdup(argv[2]); |
724 | transfer->path = swcsdup(argv[3]); |
725 | transfer->dir = TRNSD_DOWN; |
726 | transfer->owner = data->uid; |
727 | if(fn != NULL) |
728 | { |
729 | transfer->fn = fn; |
730 | getfnetnode(fn); |
731 | linktransfer(transfer); |
732 | if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL)) |
733 | transfersetnick(transfer, peer->nick); |
734 | } else { |
735 | linktransfer(transfer); |
736 | } |
737 | if(argc > 4) |
738 | transfersetsize(transfer, wcstol(argv[4], NULL, 0)); |
739 | if(argc > 5) |
740 | { |
741 | for(i = 5; i < argc; i += 2) |
5123bec0 |
742 | { |
743 | if(!wcscmp(argv[i], L"hash")) |
744 | { |
a04fc9ff |
745 | transfersethash(transfer, parsehash(argv[i + 1])); |
5123bec0 |
746 | } else { |
747 | transferaddarg(transfer, argv[i], argv[i + 1]); |
748 | } |
749 | } |
d3372da9 |
750 | } |
751 | sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL); |
752 | transfersetactivity(transfer, L"create"); |
753 | } |
754 | |
755 | static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
756 | { |
757 | struct transfer *transfer, *pt; |
758 | |
759 | havepriv(PERM_TRANS); |
760 | pt = NULL; |
761 | for(transfer = transfers; transfer != NULL; transfer = transfer->next) |
762 | { |
763 | if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid)) |
764 | { |
765 | if(pt != NULL) |
766 | sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir, |
767 | L"%%i", pt->state, pt->peerid, |
768 | (pt->peernick == NULL)?L"":(pt->peernick), |
769 | (pt->path == NULL)?L"":(pt->path), |
770 | L"%%i", pt->size, L"%%i", pt->curpos, |
5123bec0 |
771 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
d3372da9 |
772 | NULL); |
773 | pt = transfer; |
774 | } |
775 | } |
776 | if(pt == NULL) |
777 | sq(sk, 0, L"201", L"No transfers", NULL); |
778 | else |
779 | sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir, |
780 | L"%%i", pt->state, pt->peerid, |
781 | (pt->peernick == NULL)?L"":(pt->peernick), |
782 | (pt->path == NULL)?L"":(pt->path), |
783 | L"%%i", pt->size, L"%%i", pt->curpos, |
5123bec0 |
784 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
d3372da9 |
785 | NULL); |
786 | } |
787 | |
788 | static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
789 | { |
790 | struct transfer *transfer; |
791 | |
792 | haveargs(2); |
793 | havepriv(PERM_TRANS); |
794 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
795 | { |
796 | sq(sk, 0, L"512", L"No such transfer", NULL); |
797 | return; |
798 | } |
799 | if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU)) |
800 | { |
801 | sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL); |
802 | return; |
803 | } |
804 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
805 | { |
806 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
807 | return; |
808 | } |
809 | transfer->close = 1; |
810 | sq(sk, 0, L"200", L"Transfer cancelled", NULL); |
811 | } |
812 | |
813 | static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
814 | { |
815 | int i, val; |
816 | |
817 | if((argc % 2) != 1) |
818 | { |
819 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
820 | return; |
821 | } |
822 | for(i = 1; i < argc; i += 2) |
823 | { |
824 | if(!wcscasecmp(argv[i + 1], L"on")) |
825 | val = 1; |
826 | else |
827 | val = 0; |
828 | if(!wcscasecmp(argv[i], L"all")) |
829 | { |
830 | if(val) |
831 | data->notify.w = ~0; |
832 | else |
833 | data->notify.w = 0; |
834 | } else if(!wcscasecmp(argv[i], L"fn:chat")) { |
835 | data->notify.b.fnchat = val; |
836 | } else if(!wcscasecmp(argv[i], L"fn:act")) { |
837 | data->notify.b.fnact = val; |
838 | } else if(!wcscasecmp(argv[i], L"trans:act")) { |
839 | data->notify.b.tract = val; |
840 | } else if(!wcscasecmp(argv[i], L"trans:prog")) { |
841 | data->notify.b.trprog = val; |
842 | } else if(!wcscasecmp(argv[i], L"srch:act")) { |
843 | data->notify.b.srch = val; |
844 | } |
845 | } |
846 | sq(sk, 0, L"200", L"Notification alteration succeeded", NULL); |
847 | } |
848 | |
849 | static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
850 | { |
851 | struct fnetnode *fn; |
852 | int public; |
853 | |
854 | haveargs(5); |
855 | havepriv(PERM_CHAT); |
856 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
857 | { |
858 | sq(sk, 0, L"510", L"No such node", NULL); |
859 | return; |
860 | } |
861 | public = wcstol(argv[2], NULL, 0); |
862 | if((public != 0) && (public != 1)) |
863 | { |
864 | sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL); |
865 | return; |
866 | } |
867 | if(fn->state != FNN_EST) |
868 | { |
869 | sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL); |
870 | return; |
871 | } |
872 | if(fnetsendchat(fn, public, argv[3], argv[4])) |
873 | { |
874 | if(errno == ENOTSUP) |
875 | sq(sk, 0, L"513", L"This network does not support chatting", NULL); |
876 | else if(errno == EPERM) |
877 | sq(sk, 0, L"502", L"This node does not allow you to chat", NULL); |
878 | else if(errno == EILSEQ) |
879 | sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL); |
880 | else |
881 | sq(sk, 0, L"505", L"Could not chat", NULL); |
882 | return; |
883 | } |
884 | sq(sk, 0, L"200", L"Chat string sent", NULL); |
885 | } |
886 | |
887 | static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
888 | { |
889 | struct search *srch; |
890 | struct fnetnode *fn; |
891 | struct sexpr *sexpr; |
892 | int i; |
893 | |
894 | haveargs(3); |
895 | havepriv(PERM_SRCH); |
896 | srch = newsearch(data->username, NULL); |
897 | for(i = 1; i < argc; i++) |
898 | { |
899 | if(!wcscmp(argv[i], L"all")) |
900 | { |
901 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
902 | { |
903 | if(fn->state == FNN_EST) |
904 | searchaddfn(srch, fn); |
905 | } |
906 | i++; |
907 | break; |
908 | } else if(!wcscmp(argv[i], L"prio")) { |
909 | if(++i == argc) |
910 | { |
911 | sq(sk, 0, L"501", L"No argument to prio", NULL); |
912 | freesearch(srch); |
913 | return; |
914 | } |
915 | srch->prio = wcstol(argv[i], NULL, 0); |
916 | } else if(iswdigit(*argv[i])) { |
917 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
918 | { |
919 | sq(sk, 0, L"510", L"No such node", NULL); |
920 | freesearch(srch); |
921 | return; |
922 | } |
923 | searchaddfn(srch, fn); |
924 | } else { |
925 | break; |
926 | } |
927 | } |
928 | if(srch->fnl == NULL) |
929 | { |
930 | sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL); |
931 | freesearch(srch); |
932 | return; |
933 | } |
934 | if(i == argc) |
935 | { |
936 | sq(sk, 0, L"501", L"No search expression found on line", NULL); |
937 | freesearch(srch); |
938 | return; |
939 | } |
940 | if((sexpr = parsesexpr(argc - i, argv + i)) == NULL) |
941 | { |
942 | sq(sk, 0, L"509", L"Could not parse search expression", NULL); |
943 | freesearch(srch); |
944 | return; |
945 | } |
946 | optsexpr(sexpr); |
947 | getsexpr(srch->sexpr = sexpr); |
948 | queuesearch(srch); |
949 | CBREG(srch, search_eta, srcheta, NULL, NULL); |
950 | CBREG(srch, search_commit, srchcommit, NULL, NULL); |
951 | CBREG(srch, search_result, srchres, NULL, NULL); |
952 | sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL); |
953 | putsexpr(sexpr); |
954 | } |
955 | |
956 | static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
957 | { |
958 | struct search *srch, *pt; |
959 | time_t now; |
960 | |
961 | havepriv(PERM_SRCH); |
962 | pt = NULL; |
963 | now = time(NULL); |
964 | for(srch = searches; srch != NULL; srch = srch->next) |
965 | { |
966 | if(!wcscmp(srch->owner, data->username)) |
967 | { |
968 | if(pt != NULL) |
969 | sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL); |
970 | pt = srch; |
971 | } |
972 | } |
973 | if(pt == NULL) |
974 | sq(sk, 0, L"201", L"No searches", NULL); |
975 | else |
976 | sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL); |
977 | } |
978 | |
979 | static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
980 | { |
981 | struct search *srch; |
982 | struct srchres *sr; |
983 | wchar_t buf[64]; |
984 | |
985 | haveargs(2); |
986 | havepriv(PERM_SRCH); |
987 | if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL) |
988 | { |
989 | sq(sk, 0, L"514", L"No such search", NULL); |
990 | return; |
991 | } |
992 | if(srch->results == NULL) |
993 | { |
994 | sq(sk, 0, L"201", L"No results", NULL); |
995 | } else { |
996 | for(sr = srch->results; sr != NULL; sr = sr->next) |
997 | { |
998 | swprintf(buf, 64, L"%f", sr->time); |
65643d01 |
999 | sq(sk, (sr->next != NULL)?1:0, L"200", L"%%ls", sr->filename, sr->fnet->name, L"%%ls", sr->peerid, L"%%i", sr->size, L"%%i", sr->slots, L"%%i", (sr->fn == NULL)?-1:(sr->fn->id), buf, L"%%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL); |
d3372da9 |
1000 | } |
1001 | } |
1002 | } |
1003 | |
1004 | static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1005 | { |
1006 | struct search *srch; |
1007 | int i; |
1008 | |
1009 | haveargs(2); |
1010 | havepriv(PERM_SRCH); |
1011 | /* Note - Programmatical user interfaces must only give one |
1012 | * argument per command, the multiple argument form is only for |
1013 | * convenience when manually controlling the daemon via |
1014 | * eg. telnet. The reason is that the return codes aren't clear |
1015 | * enough for the multiple argument form. */ |
1016 | for(i = 1; i < argc; i++) |
1017 | { |
1018 | if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL) |
1019 | { |
1020 | sq(sk, 0, L"514", L"No such search", NULL); |
1021 | return; |
1022 | } |
1023 | freesearch(srch); |
1024 | } |
1025 | sq(sk, 0, L"200", L"Search cancelled", NULL); |
1026 | } |
1027 | |
1028 | static void fcmdread(struct socket *sk, struct uidata *data) |
1029 | { |
1030 | char *buf; |
1031 | size_t bufsize; |
1032 | |
1033 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
1034 | return; |
1035 | bufcat(data->fcmdbuf, buf, bufsize); |
1036 | free(buf); |
1037 | } |
1038 | |
1039 | static void fcmderr(struct socket *sk, int err, struct uidata *data) |
1040 | { |
1041 | wchar_t *wbuf, *p, *p2; |
1042 | |
1043 | if(err) |
1044 | { |
1045 | flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err)); |
1046 | kill(-data->fcmdpid, SIGHUP); |
1047 | putsock(data->fcmdsk); |
1048 | data->fcmdsk = NULL; |
1049 | if(data->fcmdbuf != NULL) |
1050 | { |
1051 | free(data->fcmdbuf); |
1052 | data->fcmdbuf = NULL; |
1053 | } |
1054 | data->fcmdbufsize = data->fcmdbufdata = 0; |
1055 | sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL); |
1056 | return; |
1057 | } |
1058 | putsock(data->fcmdsk); |
1059 | data->fcmdsk = NULL; |
1060 | data->fcmdpid = 0; |
1061 | if(data->fcmdbuf == NULL) |
1062 | { |
1063 | wbuf = swcsdup(L""); |
1064 | } else { |
1065 | addtobuf(data->fcmdbuf, 0); |
1066 | wbuf = icmbstowcs(data->fcmdbuf, NULL); |
1067 | free(data->fcmdbuf); |
1068 | } |
1069 | data->fcmdbuf = NULL; |
1070 | data->fcmdbufsize = data->fcmdbufdata = 0; |
1071 | if(wbuf == NULL) |
1072 | { |
1073 | sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL); |
1074 | return; |
1075 | } |
1076 | p = wbuf; |
1077 | for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n')) |
1078 | { |
1079 | *(p2++) = L'\0'; |
1080 | sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL); |
1081 | p = p2; |
1082 | } |
1083 | if(*p == L'\0') |
1084 | { |
1085 | if(p == wbuf) |
1086 | sq(data->sk, 0, L"201", L"No data returned", NULL); |
1087 | } else { |
1088 | sq(data->sk, 0, L"200", L"%%ls", p, NULL); |
1089 | } |
1090 | free(wbuf); |
1091 | } |
1092 | |
1093 | static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1094 | { |
1095 | int i; |
1096 | pid_t pid; |
1097 | int pipe; |
1098 | char **cargv, **pp; |
1099 | char *filtercmd, *argbuf; |
1100 | size_t cargvsize, cargvdata; |
1101 | struct passwd *pwent; |
1102 | |
1103 | haveargs(2); |
1104 | havepriv(PERM_TRANS); |
1105 | if((pwent = getpwuid(data->uid)) == NULL) |
1106 | { |
1107 | flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid); |
1108 | sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL); |
1109 | return; |
1110 | } |
1111 | if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL) |
1112 | { |
1113 | flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name); |
1114 | sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL); |
1115 | return; |
1116 | } |
1117 | cargv = NULL; |
1118 | cargvsize = cargvdata = 0; |
1119 | addtobuf(cargv, filtercmd); |
1120 | for(i = 1; i < argc; i++) |
1121 | { |
1122 | if((argbuf = icwcstombs(argv[i], NULL)) == NULL) |
1123 | { |
1124 | for(i = 0; i < cargvdata; i++) |
1125 | free(cargv[i]); |
1126 | free(cargv); |
1127 | sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL); |
1128 | return; |
1129 | } |
1130 | addtobuf(cargv, argbuf); |
1131 | } |
1132 | addtobuf(cargv, NULL); |
1133 | if((pid = forksess(data->uid, data->auth, NULL, NULL, FD_FILE, 0, O_RDWR, "/dev/null", FD_PIPE, 1, O_RDONLY, &pipe, FD_FILE, 2, O_RDWR, "/dev/null", FD_END)) < 0) |
1134 | { |
1135 | flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno)); |
1136 | sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL); |
1137 | return; |
1138 | } |
1139 | if(pid == 0) |
1140 | { |
1141 | execv(filtercmd, cargv); |
1142 | flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno)); |
1143 | exit(127); |
1144 | } |
1145 | for(pp = cargv; *pp; pp++) |
1146 | free(*pp); |
1147 | free(cargv); |
1148 | data->fcmdsk = wrapsock(pipe); |
1149 | data->fcmdpid = pid; |
1150 | if(data->fcmdbuf != NULL) |
1151 | { |
1152 | free(data->fcmdbuf); |
1153 | data->fcmdbuf = NULL; |
1154 | } |
1155 | data->fcmdbufsize = data->fcmdbufdata = 0; |
1156 | data->fcmdsk->data = data; |
1157 | data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread; |
1158 | data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr; |
1159 | } |
1160 | |
1161 | static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1162 | { |
1163 | struct transfer *transfer; |
1164 | struct transarg *ta; |
1165 | |
1166 | haveargs(2); |
1167 | havepriv(PERM_TRANS); |
1168 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
1169 | { |
1170 | sq(sk, 0, L"512", L"No such transfer", NULL); |
1171 | return; |
1172 | } |
1173 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
1174 | { |
1175 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
1176 | return; |
1177 | } |
1178 | if(transfer->args == NULL) |
1179 | { |
1180 | sq(sk, 0, L"201", L"Transfer has no arguments", NULL); |
1181 | } else { |
1182 | for(ta = transfer->args; ta != NULL; ta = ta->next) |
1183 | sq(sk, ta->next != NULL, L"200", L"%%ls", ta->rec, L"%%ls", ta->val, NULL); |
1184 | } |
1185 | } |
1186 | |
1187 | static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1188 | { |
1189 | struct sharecache *node; |
1190 | int total, hashed; |
1191 | |
1192 | total = hashed = 0; |
1193 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
1194 | { |
1195 | if(node->f.b.type == FILE_REG) |
1196 | { |
1197 | total++; |
1198 | if(node->f.b.hastth) |
1199 | hashed++; |
1200 | } |
1201 | } |
1202 | sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL); |
1203 | } |
1204 | |
1205 | #undef haveargs |
1206 | #undef havepriv |
1207 | |
1208 | /* |
1209 | * Reserved command numbers for nameless commands: |
1210 | * 0: Issued when a client has connected |
1211 | * 1: Issued when a named command couldn't be found |
1212 | */ |
1213 | |
1214 | static struct command commands[] = |
1215 | { |
1216 | {NULL, cmd_connect}, |
1217 | {NULL, cmd_notfound}, |
1218 | {L"shutdown", cmd_shutdown}, |
1219 | {L"quit", cmd_quit}, |
1220 | {L"lsauth", cmd_lsauth}, |
1221 | {L"login", cmd_login}, |
1222 | {L"pass", cmd_pass}, |
1223 | {L"cnct", cmd_fnetconnect}, |
1224 | {L"lsnodes", cmd_lsnodes}, |
1225 | {L"dcnct", cmd_disconnect}, |
1226 | {L"lspa", cmd_lspa}, |
1227 | {L"lspeers", cmd_lspeers}, |
1228 | {L"download", cmd_download}, |
1229 | {L"lstrans", cmd_lstrans}, |
1230 | {L"cancel", cmd_cancel}, |
1231 | {L"notify", cmd_notify}, |
1232 | {L"sendchat", cmd_sendchat}, |
1233 | {L"search", cmd_search}, |
1234 | {L"lssrch", cmd_lssrch}, |
1235 | {L"lssr", cmd_lssr}, |
1236 | {L"cansrch", cmd_cansrch}, |
1237 | {L"filtercmd", cmd_filtercmd}, |
1238 | {L"lstrarg", cmd_lstrarg}, |
1239 | {L"hashstatus", cmd_hashstatus}, |
1240 | {NULL, NULL} |
1241 | }; |
1242 | |
1243 | static void freequeuecmd(struct qcommand *qcmd) |
1244 | { |
1245 | int i; |
1246 | |
1247 | if(qcmd->argv != NULL) |
1248 | { |
1249 | for(i = 0; i < qcmd->argc; i++) |
1250 | free(qcmd->argv[i]); |
1251 | free(qcmd->argv); |
1252 | } |
1253 | free(qcmd); |
1254 | } |
1255 | |
1256 | static struct qcommand *unlinkqcmd(struct uidata *data) |
1257 | { |
1258 | struct qcommand *qcmd; |
1259 | |
1260 | qcmd = data->queue; |
1261 | if(qcmd != NULL) |
1262 | { |
1263 | data->queue = qcmd->next; |
1264 | if(qcmd == data->queuelast) |
1265 | data->queuelast = qcmd->next; |
1266 | } |
1267 | return(qcmd); |
1268 | } |
1269 | |
1270 | static struct notif *newnotif(struct uidata *data, int code, ...) |
1271 | { |
1272 | struct notif *notif; |
1273 | va_list args; |
1274 | int dt, ca; |
1275 | |
1276 | notif = smalloc(sizeof(*notif)); |
1277 | memset(notif, 0, sizeof(*notif)); |
1278 | notif->rlimit = 0.0; |
1279 | notif->ui = data; |
1280 | notif->code = code; |
1281 | va_start(args, code); |
1282 | while((dt = va_arg(args, int)) != NOTIF_END) |
1283 | { |
1284 | ca = notif->argc; |
1285 | notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc); |
1286 | notif->argv[ca].dt = dt; |
1287 | switch(dt) |
1288 | { |
1289 | case NOTIF_INT: |
1290 | case NOTIF_ID: |
1291 | notif->argv[ca].d.n = va_arg(args, int); |
1292 | break; |
1293 | case NOTIF_STR: |
1294 | notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *)); |
1295 | break; |
1296 | case NOTIF_FLOAT: |
1297 | notif->argv[ca].d.d = va_arg(args, double); |
1298 | break; |
1299 | } |
1300 | } |
1301 | va_end(args); |
1302 | notif->next = NULL; |
1303 | notif->prev = data->lnotif; |
1304 | if(data->lnotif != NULL) |
1305 | data->lnotif->next = notif; |
1306 | else |
1307 | data->fnotif = notif; |
1308 | data->lnotif = notif; |
1309 | return(notif); |
1310 | } |
1311 | |
1312 | static void freenotif(struct notif *notif) |
1313 | { |
1314 | int i; |
1315 | |
1316 | if(notif->next != NULL) |
1317 | notif->next->prev = notif->prev; |
1318 | if(notif->prev != NULL) |
1319 | notif->prev->next = notif->next; |
1320 | if(notif == notif->ui->fnotif) |
1321 | notif->ui->fnotif = notif->next; |
1322 | if(notif == notif->ui->lnotif) |
1323 | notif->ui->lnotif = notif->prev; |
1324 | if(notif->exptimer != NULL) |
1325 | canceltimer(notif->exptimer); |
1326 | for(i = 0; i < notif->argc; i++) |
1327 | { |
1328 | if(notif->argv[i].dt == NOTIF_STR) |
1329 | free(notif->argv[i].d.s); |
1330 | } |
1331 | if(notif->argv != NULL) |
1332 | free(notif->argv); |
1333 | free(notif); |
1334 | } |
1335 | |
1336 | static void notifexpire(int cancelled, struct notif *notif) |
1337 | { |
1338 | notif->exptimer = NULL; |
1339 | if(!cancelled) |
1340 | freenotif(notif); |
1341 | } |
1342 | |
1343 | static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id) |
1344 | { |
1345 | int i, cont; |
1346 | |
1347 | for(; notif != NULL; notif = (dir?notif->next:notif->prev)) |
1348 | { |
1349 | if((notif->code == code) && ((state < 0) || (state == notif->state))) |
1350 | { |
1351 | cont = 0; |
1352 | if(id >= 0) |
1353 | { |
1354 | for(i = 0; i < notif->argc; i++) |
1355 | { |
1356 | if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id)) |
1357 | { |
1358 | cont = 1; |
1359 | break; |
1360 | } |
1361 | } |
1362 | } |
1363 | if(cont) |
1364 | continue; |
1365 | break; |
1366 | } |
1367 | } |
1368 | return(notif); |
1369 | } |
1370 | |
1371 | static void freeuidata(struct uidata *data) |
1372 | { |
1373 | int i; |
1374 | struct qcommand *qcmd; |
1375 | |
1376 | if(data->next != NULL) |
1377 | data->next->prev = data->prev; |
1378 | if(data->prev != NULL) |
1379 | data->prev->next = data->next; |
1380 | if(data == actives) |
1381 | actives = data->next; |
1382 | data->sk->readcb = NULL; |
1383 | data->sk->errcb = NULL; |
1384 | putsock(data->sk); |
1385 | while((qcmd = unlinkqcmd(data)) != NULL) |
1386 | freequeuecmd(qcmd); |
1387 | iconv_close(data->ichandle); |
1388 | if(data->cw != NULL) |
1389 | free(data->cw); |
1390 | if(data->cb != NULL) |
1391 | free(data->cb); |
1392 | if(data->argv != NULL) |
1393 | { |
1394 | for(i = 0; i < data->argc; i++) |
1395 | free(data->argv[i]); |
1396 | free(data->argv); |
1397 | } |
1398 | if(data->auth != NULL) |
1399 | authputhandle(data->auth); |
1400 | if(data->username != NULL) |
1401 | { |
1402 | if(data->userinfo != NULL) |
1403 | flog(LOG_INFO, "%ls logged out", data->username); |
1404 | free(data->username); |
1405 | } |
1406 | free(data->inbuf); |
1407 | while(data->fnotif != NULL) |
1408 | freenotif(data->fnotif); |
1409 | if(data->fcmdbuf != NULL) |
1410 | free(data->fcmdbuf); |
1411 | if(data->fcmdpid != 0) |
1412 | kill(-data->fcmdpid, SIGHUP); |
1413 | if(data->fcmdsk != NULL) |
1414 | putsock(data->fcmdsk); |
1415 | free(data); |
1416 | } |
1417 | |
1418 | static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv) |
1419 | { |
1420 | struct qcommand *new; |
1421 | |
1422 | new = smalloc(sizeof(*new)); |
1423 | new->cmd = cmd; |
1424 | new->argc = argc; |
1425 | new->argv = argv; |
1426 | new->next = NULL; |
1427 | if(data->queuelast != NULL) |
1428 | data->queuelast->next = new; |
1429 | data->queuelast = new; |
1430 | if(data->queue == NULL) |
1431 | data->queue = new; |
1432 | } |
1433 | |
1434 | static struct uidata *newuidata(struct socket *sk) |
1435 | { |
1436 | struct uidata *data; |
1437 | |
1438 | data = smalloc(sizeof(*data)); |
1439 | memset(data, 0, sizeof(*data)); |
1440 | data->sk = sk; |
1441 | getsock(sk); |
1442 | data->inbuf = smalloc(1024); |
1443 | data->uid = -1; |
1444 | if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1) |
1445 | { |
1446 | flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno)); |
1447 | return(NULL); |
1448 | } |
1449 | data->next = actives; |
1450 | data->prev = NULL; |
1451 | if(actives != NULL) |
1452 | actives->prev = data; |
1453 | actives = data; |
1454 | return(data); |
1455 | } |
1456 | |
1457 | static void uiread(struct socket *sk, struct uidata *data) |
1458 | { |
1459 | int ret, done; |
1460 | char *newbuf; |
1461 | char *p1, *p2; |
1462 | wchar_t *porig; |
1463 | size_t datalen, len2; |
1464 | struct command *cur; |
1465 | |
1466 | if(data->indata > 1024) |
1467 | data->indata = 0; |
1468 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
1469 | return; |
1470 | sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1); |
1471 | memcpy(data->inbuf + data->indata, newbuf, datalen); |
1472 | free(newbuf); |
1473 | data->indata += datalen; |
1474 | if(data->cb == NULL) |
1475 | { |
1476 | data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64)); |
1477 | data->cbdata = 0; |
1478 | data->pp = data->cb; |
1479 | } |
1480 | done = 0; |
1481 | while(!done) |
1482 | { |
1483 | if(data->cbsize == data->cbdata) |
1484 | { |
1485 | len2 = data->pp - data->cb; |
1486 | data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2)); |
1487 | data->pp = data->cb + len2; |
1488 | } |
1489 | p1 = data->inbuf; |
1490 | p2 = (char *)(porig = (data->cb + data->cbdata)); |
1491 | len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata); |
1492 | ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2); |
1493 | memmove(data->inbuf, p1, data->indata); |
1494 | /* Just a sanity check */ |
1495 | if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0) |
1496 | { |
1497 | flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!"); |
1498 | abort(); |
1499 | } |
1500 | data->cbdata += (((wchar_t *)p2) - porig); |
1501 | if(ret < 0) |
1502 | { |
1503 | switch(errno) |
1504 | { |
1505 | case EILSEQ: |
1506 | /* XXX: Should this really just ignore it? */ |
1507 | data->indata = 0; |
1508 | done = 1; |
1509 | break; |
1510 | case EINVAL: |
1511 | done = 1; |
1512 | break; |
1513 | case E2BIG: |
1514 | /* Just a sanity check */ |
1515 | if(data->cbsize != data->cbdata) |
1516 | { |
1517 | flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!"); |
1518 | abort(); |
1519 | } |
1520 | break; |
1521 | default: |
1522 | flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno)); |
1523 | break; |
1524 | } |
1525 | } else { |
1526 | done = 1; |
1527 | } |
1528 | } |
1529 | done = 0; |
1530 | while(!done && (data->pp - data->cb < data->cbdata)) |
1531 | { |
1532 | switch(data->ps) |
1533 | { |
1534 | case 0: |
1535 | if(iswspace(*data->pp)) |
1536 | { |
1537 | if(*data->pp == L'\r') |
1538 | { |
1539 | if(data->pp == data->cb + data->cbdata - 1) |
1540 | { |
1541 | done = 1; |
1542 | break; |
1543 | } |
1544 | if(*(++data->pp) == L'\n') |
1545 | { |
1546 | if((data->argv != NULL) && (data->argv[0] != NULL)) |
1547 | { |
1548 | for(cur = commands; cur->handler != NULL; cur++) |
1549 | { |
1550 | if(cur->name == NULL) |
1551 | continue; |
1552 | if(!wcscasecmp(cur->name, data->argv[0])) |
1553 | { |
1554 | queuecmd(data, cur, data->argc, data->argv); |
1555 | break; |
1556 | } |
1557 | } |
1558 | if(cur->handler == NULL) |
1559 | queuecmd(data, &commands[1], data->argc, data->argv); |
1560 | } else { |
1561 | queuecmd(data, &commands[1], data->argc, data->argv); |
1562 | } |
1563 | data->argv = NULL; |
1564 | data->args = 0; |
1565 | data->argc = 0; |
1566 | wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb)); |
1567 | data->pp = data->cb; |
1568 | } else { |
1569 | data->pp++; |
1570 | } |
1571 | } else { |
1572 | data->pp++; |
1573 | } |
1574 | } else { |
1575 | data->ps = 1; |
1576 | data->cwdata = 0; |
1577 | } |
1578 | break; |
1579 | case 1: |
1580 | if(iswspace(*data->pp)) |
1581 | { |
1582 | addtobuf(data->cw, L'\0'); |
1583 | sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1); |
1584 | data->argv[data->argc++] = data->cw; |
1585 | data->cw = NULL; |
1586 | data->cwsize = 0; |
1587 | data->cwdata = 0; |
1588 | data->ps = 0; |
1589 | } else if(*data->pp == L'\"') { |
1590 | data->ps = 2; |
1591 | data->pp++; |
1592 | } else if(*data->pp == L'\\') { |
1593 | if(data->pp == data->cb + data->cbdata - 1) |
1594 | { |
1595 | done = 1; |
1596 | break; |
1597 | } |
1598 | addtobuf(data->cw, *(++data->pp)); |
1599 | data->pp++; |
1600 | } else { |
1601 | addtobuf(data->cw, *(data->pp++)); |
1602 | } |
1603 | break; |
1604 | case 2: |
1605 | if(*data->pp == L'\"') |
1606 | { |
1607 | data->ps = 1; |
1608 | } else if(*data->pp == L'\\') { |
1609 | if(data->pp == data->cb + data->cbdata - 1) |
1610 | { |
1611 | done = 1; |
1612 | break; |
1613 | } |
1614 | addtobuf(data->cw, *(++(data->pp))); |
1615 | } else { |
1616 | addtobuf(data->cw, *data->pp); |
1617 | } |
1618 | data->pp++; |
1619 | break; |
1620 | } |
1621 | } |
1622 | } |
1623 | |
1624 | static void uierror(struct socket *sk, int err, struct uidata *data) |
1625 | { |
1626 | if(err) |
1627 | flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err)); |
1628 | freeuidata(data); |
1629 | } |
1630 | |
1631 | static void uiaccept(struct socket *sk, struct socket *newsk, void *data) |
1632 | { |
1633 | struct uidata *uidata; |
1634 | |
1635 | newsk->data = uidata = newuidata(newsk); |
1636 | socksettos(newsk, confgetint("ui", "uitos")); |
1637 | if(uidata == NULL) |
1638 | return; |
1639 | newsk->errcb = (void (*)(struct socket *, int, void *))uierror; |
1640 | newsk->readcb = (void (*)(struct socket *, void *))uiread; |
1641 | queuecmd(uidata, &commands[0], 0, NULL); |
1642 | } |
1643 | |
1644 | static int srcheta(struct search *srch, void *uudata) |
1645 | { |
1646 | struct uidata *data; |
1647 | |
1648 | for(data = actives; data != NULL; data = data->next) |
1649 | { |
1650 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
1651 | newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END); |
1652 | } |
1653 | return(0); |
1654 | } |
1655 | |
1656 | static int srchcommit(struct search *srch, void *uudata) |
1657 | { |
1658 | struct uidata *data; |
1659 | |
1660 | for(data = actives; data != NULL; data = data->next) |
1661 | { |
1662 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
1663 | newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END); |
1664 | } |
1665 | return(0); |
1666 | } |
1667 | |
1668 | static int srchres(struct search *srch, struct srchres *sr, void *uudata) |
1669 | { |
1670 | struct uidata *data; |
1671 | |
1672 | for(data = actives; data != NULL; data = data->next) |
1673 | { |
1674 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
ebbc13f3 |
1675 | { |
ebbc13f3 |
1676 | newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size, |
5123bec0 |
1677 | NOTIF_INT, sr->slots, NOTIF_INT, (sr->fn == NULL)?-1:(sr->fn->id), NOTIF_FLOAT, sr->time, NOTIF_STR, (sr->hash == NULL)?L"":unparsehash(sr->hash), NOTIF_END); |
ebbc13f3 |
1678 | } |
d3372da9 |
1679 | } |
1680 | return(0); |
1681 | } |
1682 | |
1683 | static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata) |
1684 | { |
1685 | struct uidata *data; |
1686 | |
1687 | for(data = actives; data != NULL; data = data->next) |
1688 | { |
1689 | if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat) |
1690 | newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END); |
1691 | } |
1692 | return(0); |
1693 | } |
1694 | |
1695 | static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata) |
1696 | { |
1697 | struct uidata *data; |
1698 | struct notif *notif; |
1699 | |
1700 | if(!wcscmp(attrib, L"state")) |
1701 | { |
1702 | for(data = actives; data != NULL; data = data->next) |
1703 | { |
1704 | if(data->notify.b.fnact) |
1705 | newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END); |
1706 | } |
1707 | } else if(!wcscmp(attrib, L"name")) { |
1708 | for(data = actives; data != NULL; data = data->next) |
1709 | { |
1710 | if(data->notify.b.fnact) |
1711 | newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END); |
1712 | } |
1713 | } else if(!wcscmp(attrib, L"numpeers")) { |
1714 | for(data = actives; data != NULL; data = data->next) |
1715 | { |
1716 | if(data->notify.b.fnact) |
1717 | { |
1718 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL) |
1719 | notif->argv[1].d.n = fn->numpeers; |
1720 | else |
1721 | newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END); |
1722 | } |
1723 | } |
1724 | } |
1725 | return(0); |
1726 | } |
1727 | |
1728 | static int fnunlink(struct fnetnode *fn, void *uudata) |
1729 | { |
1730 | struct uidata *data; |
1731 | |
1732 | for(data = actives; data != NULL; data = data->next) |
1733 | { |
1734 | if(data->notify.b.fnact) |
1735 | newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END); |
1736 | } |
1737 | return(0); |
1738 | } |
1739 | |
1740 | static int newfnetnode(struct fnetnode *fn, void *uudata) |
1741 | { |
1742 | struct uidata *data; |
1743 | |
1744 | for(data = actives; data != NULL; data = data->next) |
1745 | { |
1746 | if(data->notify.b.fnact) |
1747 | newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END); |
1748 | } |
1749 | CBREG(fn, fnetnode_ac, fnactive, NULL, NULL); |
1750 | CBREG(fn, fnetnode_chat, recvchat, NULL, NULL); |
1751 | CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL); |
1752 | return(0); |
1753 | } |
1754 | |
1755 | static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata) |
1756 | { |
1757 | struct uidata *data; |
1758 | |
1759 | if(!wcscmp(attrib, L"state")) |
1760 | { |
1761 | for(data = actives; data != NULL; data = data->next) |
1762 | { |
1763 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1764 | newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END); |
1765 | } |
1766 | } else if(!wcscmp(attrib, L"nick")) { |
1767 | for(data = actives; data != NULL; data = data->next) |
1768 | { |
1769 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1770 | newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END); |
1771 | } |
1772 | } else if(!wcscmp(attrib, L"size")) { |
1773 | for(data = actives; data != NULL; data = data->next) |
1774 | { |
1775 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1776 | newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END); |
1777 | } |
1778 | } else if(!wcscmp(attrib, L"error")) { |
1779 | for(data = actives; data != NULL; data = data->next) |
1780 | { |
1781 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1782 | newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END); |
1783 | } |
1784 | } else if(!wcscmp(attrib, L"path")) { |
1785 | for(data = actives; data != NULL; data = data->next) |
1786 | { |
1787 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1788 | newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END); |
1789 | } |
a04fc9ff |
1790 | } else if(!wcscmp(attrib, L"hash")) { |
1791 | for(data = actives; data != NULL; data = data->next) |
1792 | { |
1793 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
5e13cdca |
1794 | newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END); |
a04fc9ff |
1795 | } |
d3372da9 |
1796 | } |
1797 | return(0); |
1798 | } |
1799 | |
1800 | static int transferprog(struct transfer *transfer, void *uudata) |
1801 | { |
1802 | struct uidata *data; |
1803 | struct notif *notif; |
1804 | |
1805 | for(data = actives; data != NULL; data = data->next) |
1806 | { |
1807 | if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1808 | { |
1809 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL) |
1810 | notif->argv[1].d.n = transfer->curpos; |
1811 | else |
1812 | newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5; |
1813 | } |
1814 | } |
1815 | return(0); |
1816 | } |
1817 | |
1818 | static int transferdestroyed(struct transfer *transfer, void *uudata) |
1819 | { |
1820 | struct uidata *data; |
1821 | |
1822 | for(data = actives; data != NULL; data = data->next) |
1823 | { |
1824 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1825 | newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END); |
1826 | } |
1827 | return(0); |
1828 | } |
1829 | |
1830 | static int newtransfernotify(struct transfer *transfer, void *uudata) |
1831 | { |
1832 | struct uidata *data; |
1833 | |
1834 | for(data = actives; data != NULL; data = data->next) |
1835 | { |
1836 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1837 | newnotif(data, 610, NOTIF_ID, transfer->id, NOTIF_INT, transfer->dir, NOTIF_STR, transfer->peerid, NOTIF_STR, (transfer->path == NULL)?L"":transfer->path, NOTIF_END); |
1838 | } |
1839 | CBREG(transfer, trans_ac, transferchattr, NULL, NULL); |
1840 | CBREG(transfer, trans_p, transferprog, NULL, NULL); |
1841 | CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL); |
1842 | return(0); |
1843 | } |
1844 | |
1845 | static struct uiuser *newuser(wchar_t *name, unsigned long perms) |
1846 | { |
1847 | struct uiuser *new; |
1848 | |
1849 | new = smalloc(sizeof(*new)); |
1850 | new->used = 0; |
1851 | new->name = swcsdup(name); |
1852 | new->perms = perms; |
1853 | new->delete = 0; |
1854 | new->next = users; |
1855 | new->prev = NULL; |
1856 | if(users != NULL) |
1857 | users->prev = new; |
1858 | users = new; |
1859 | return(new); |
1860 | } |
1861 | |
1862 | static void freeuser(struct uiuser *user) |
1863 | { |
1864 | if(user->next != NULL) |
1865 | user->next->prev = user->prev; |
1866 | if(user->prev != NULL) |
1867 | user->prev->next = user->next; |
1868 | if(user == users) |
1869 | users = user->next; |
1870 | free(user->name); |
1871 | free(user); |
1872 | } |
1873 | |
1874 | static int conf_user(int argc, wchar_t **argv) |
1875 | { |
1876 | int i, perms, permmod; |
1877 | struct uiuser *user; |
1878 | wchar_t *p; |
1879 | |
1880 | if(argc < 3) |
1881 | { |
1882 | flog(LOG_WARNING, "not enough arguments given for user command"); |
1883 | return(1); |
1884 | } |
1885 | perms = 0; |
1886 | for(i = 2; i < argc; i++) |
1887 | { |
1888 | if(!iswalpha(argv[i][0])) |
1889 | p = argv[i] + 1; |
1890 | else |
1891 | p = argv[i]; |
1892 | if(!wcscmp(p, L"disallow")) |
1893 | permmod = PERM_DISALLOW; |
1894 | if(!wcscmp(p, L"admin")) |
1895 | permmod = PERM_ADMIN; |
1896 | if(!wcscmp(p, L"fnetctl")) |
1897 | permmod = PERM_FNETCTL; |
1898 | if(!wcscmp(p, L"trans")) |
1899 | permmod = PERM_TRANS; |
1900 | if(!wcscmp(p, L"transcu")) |
1901 | permmod = PERM_TRANSCU; |
1902 | if(!wcscmp(p, L"chat")) |
1903 | permmod = PERM_CHAT; |
1904 | if(!wcscmp(p, L"srch")) |
1905 | permmod = PERM_SRCH; |
1906 | if(!wcscmp(p, L"all")) |
1907 | permmod = ~0; |
1908 | if(argv[i][0] == L'-') |
1909 | perms &= ~permmod; |
1910 | else |
1911 | perms |= permmod; |
1912 | } |
1913 | if((user = finduser(argv[1])) == NULL) |
1914 | { |
1915 | newuser(argv[1], perms); |
1916 | } else { |
1917 | user->delete = 0; |
1918 | user->perms = perms; |
1919 | } |
1920 | return(0); |
1921 | } |
1922 | |
1923 | static void preinit(int hup) |
1924 | { |
1925 | struct uiuser *user; |
1926 | |
1927 | if(!hup) |
1928 | { |
1929 | newuser(L"default", 0); |
1930 | } else { |
1931 | for(user = users; user != NULL; user = user->next) |
1932 | { |
1933 | if(!wcscmp(user->name, L"default")) |
1934 | user->delete = 1; |
1935 | } |
1936 | } |
1937 | } |
1938 | |
1939 | #ifdef HAVE_IPV6 |
1940 | static struct sockaddr *getnameforport(int port, socklen_t *len) |
1941 | { |
1942 | static struct sockaddr_in6 addr; |
1943 | |
1944 | memset(&addr, 0, sizeof(addr)); |
1945 | addr.sin6_family = AF_INET6; |
1946 | addr.sin6_port = htons(port); |
1947 | addr.sin6_addr = in6addr_any; |
1948 | if(len != NULL) |
1949 | *len = sizeof(addr); |
1950 | return((struct sockaddr *)&addr); |
1951 | } |
1952 | #else |
1953 | static struct sockaddr *getnameforport(int port, socklen_t *len) |
1954 | { |
1955 | static struct sockaddr_in addr; |
1956 | |
1957 | memset(&addr, 0, sizeof(addr)); |
1958 | addr.sin_family = AF_INET; |
1959 | addr.sin_port = htons(port); |
1960 | if(len != NULL) |
1961 | *len = sizeof(addr); |
1962 | return((struct sockaddr *)&addr); |
1963 | } |
1964 | #endif |
1965 | |
1966 | static int portupdate(struct configvar *var, void *uudata) |
1967 | { |
1968 | struct sockaddr *addr; |
1969 | socklen_t addrlen; |
1970 | struct socket *newsock; |
1971 | |
1972 | addr = getnameforport(var->val.num, &addrlen); |
1973 | if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL) |
1974 | { |
1975 | flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno)); |
1976 | return(0); |
1977 | } |
1978 | if(uisocket != NULL) |
1979 | putsock(uisocket); |
1980 | uisocket = newsock; |
1981 | return(0); |
1982 | } |
1983 | |
1984 | static int init(int hup) |
1985 | { |
1986 | struct sockaddr *addr; |
1987 | socklen_t addrlen; |
1988 | struct uiuser *user, *next; |
1989 | |
1990 | if(hup) |
1991 | { |
1992 | for(user = users; user != NULL; user = next) |
1993 | { |
1994 | next = user->next; |
1995 | if(user->delete) |
1996 | freeuser(user); |
1997 | } |
1998 | } |
1999 | if(!hup) |
2000 | { |
2001 | if(uisocket != NULL) |
2002 | putsock(uisocket); |
2003 | addr = getnameforport(confgetint("ui", "port"), &addrlen); |
2004 | if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL) |
2005 | { |
2006 | flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno)); |
2007 | return(1); |
2008 | } |
2009 | CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL); |
2010 | GCBREG(newfncb, newfnetnode, NULL); |
2011 | GCBREG(newtransfercb, newtransfernotify, NULL); |
2012 | } |
2013 | return(0); |
2014 | } |
2015 | |
2016 | static int run(void) |
2017 | { |
2018 | int i, id; |
2019 | struct uidata *data, *next; |
2020 | struct qcommand *qcmd; |
2021 | struct notif *notif, *nnotif; |
2022 | wchar_t buf[64]; |
2023 | |
2024 | for(data = actives; data != NULL; data = next) |
2025 | { |
2026 | next = data->next; |
2027 | if(data->close) |
2028 | freeuidata(data); |
2029 | } |
2030 | for(data = actives; data != NULL; data = data->next) |
2031 | { |
2032 | for(notif = data->fnotif; notif != NULL; notif = nnotif) |
2033 | { |
2034 | nnotif = notif->next; |
2035 | if(notif->state == NOTIF_WAIT) |
2036 | continue; |
2037 | id = -1; |
2038 | for(i = 0; i < notif->argc; i++) |
2039 | { |
2040 | if(notif->argv[i].dt == NOTIF_ID) |
2041 | { |
2042 | id = notif->argv[i].d.n; |
2043 | break; |
2044 | } |
2045 | } |
2046 | if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL) |
2047 | continue; |
2048 | sq(data->sk, 2, L"%%i", notif->code, NULL); |
2049 | for(i = 0; i < notif->argc; i++) |
2050 | { |
2051 | switch(notif->argv[i].dt) |
2052 | { |
2053 | case NOTIF_INT: |
2054 | case NOTIF_ID: |
2055 | sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL); |
2056 | break; |
2057 | case NOTIF_STR: |
2058 | if(notif->argv[i].d.s[0] == L'%') |
2059 | sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL); |
2060 | else |
2061 | sq(data->sk, 2, notif->argv[i].d.s, NULL); |
2062 | break; |
2063 | case NOTIF_FLOAT: |
2064 | swprintf(buf, 64, L"%f", notif->argv[i].d.d); |
2065 | sq(data->sk, 2, buf, NULL); |
2066 | break; |
2067 | } |
2068 | } |
2069 | sq(data->sk, 0, NULL); |
2070 | if(notif->rlimit != 0) |
2071 | { |
2072 | notif->state = NOTIF_WAIT; |
2073 | notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif); |
2074 | } else { |
2075 | freenotif(notif); |
2076 | } |
2077 | } |
2078 | if((qcmd = unlinkqcmd(data)) != NULL) |
2079 | { |
2080 | qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv); |
2081 | freequeuecmd(qcmd); |
2082 | return(1); |
2083 | } |
2084 | } |
2085 | return(0); |
2086 | } |
2087 | |
2088 | static void terminate(void) |
2089 | { |
2090 | while(users != NULL) |
2091 | freeuser(users); |
2092 | } |
2093 | |
2094 | static struct configvar myvars[] = |
2095 | { |
2096 | {CONF_VAR_BOOL, "onlylocal", {.num = 1}}, |
2097 | {CONF_VAR_INT, "port", {.num = 1500}}, |
2098 | {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}}, |
2099 | {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}}, |
2100 | {CONF_VAR_END} |
2101 | }; |
2102 | |
2103 | static struct configcmd mycmds[] = |
2104 | { |
2105 | {"user", conf_user}, |
2106 | {NULL} |
2107 | }; |
2108 | |
2109 | static struct module me = |
2110 | { |
2111 | .name = "ui", |
2112 | .conf = |
2113 | { |
2114 | .vars = myvars, |
2115 | .cmds = mycmds |
2116 | }, |
2117 | .preinit = preinit, |
2118 | .init = init, |
2119 | .run = run, |
2120 | .terminate = terminate |
2121 | }; |
2122 | |
2123 | MODULE(me) |