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; |
ba86d49a |
126 | int fnpeer:1; |
d3372da9 |
127 | int tract:1; |
128 | int trprog:1; |
129 | int srch:1; |
130 | } b; |
131 | int w; |
132 | } notify; |
133 | wchar_t *username; |
134 | struct uiuser *userinfo; |
135 | uid_t uid; |
136 | struct notif *fnotif, *lnotif; |
137 | char *fcmdbuf; |
138 | size_t fcmdbufdata, fcmdbufsize; |
139 | pid_t fcmdpid; |
140 | struct socket *fcmdsk; |
141 | /* Read buffer */ |
142 | char *inbuf; |
143 | size_t inbufsize, indata; |
144 | /* Wordset storage */ |
145 | wchar_t **argv; |
146 | int argc, args; |
147 | /* WCS conversation stuff */ |
148 | wchar_t *cb; /* Conversation buffer */ |
149 | size_t cbsize, cbdata; |
150 | iconv_t ichandle; |
151 | /* Parser data */ |
152 | int ps; /* Parser state */ |
153 | wchar_t *pp; /* Current parse pointer */ |
154 | wchar_t *cw; /* Current word (building storage) */ |
155 | size_t cwsize, cwdata; |
156 | }; |
157 | |
158 | static int srcheta(struct search *srch, void *uudata); |
159 | static int srchcommit(struct search *srch, void *uudata); |
160 | static int srchres(struct search *srch, struct srchres *sr, void *uudata); |
161 | |
162 | struct uiuser *users = NULL; |
163 | struct uidata *actives = NULL; |
164 | struct socket *uisocket = NULL; |
165 | |
166 | static wchar_t *quoteword(wchar_t *word) |
167 | { |
168 | wchar_t *wp, *buf, *bp; |
169 | int dq, numbs, numc; |
170 | |
171 | dq = 0; |
172 | numbs = 0; |
173 | numc = 0; |
174 | if(*word == L'\0') |
175 | { |
176 | dq = 1; |
177 | } else { |
178 | for(wp = word; *wp != L'\0'; wp++) |
179 | { |
180 | if(!dq && iswspace(*wp)) |
181 | dq = 1; |
182 | if((*wp == L'\\') || (*wp == L'\"')) |
183 | numbs++; |
184 | numc++; |
185 | } |
186 | } |
187 | if(!dq && !numbs) |
188 | return(NULL); |
189 | bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1)); |
190 | if(dq) |
191 | *(bp++) = L'\"'; |
192 | for(wp = word; *wp != L'\0'; wp++) |
193 | { |
194 | if((*wp == L'\\') || (*wp == L'\"')) |
195 | *(bp++) = L'\\'; |
196 | *(bp++) = *wp; |
197 | } |
198 | if(dq) |
199 | *(bp++) = L'\"'; |
200 | *(bp++) = L'\0'; |
201 | return(buf); |
202 | } |
203 | |
204 | static void sq(struct socket *sk, int cont, ...) |
205 | { |
206 | int num, freepart; |
207 | va_list al; |
208 | char *final; |
209 | wchar_t *buf; |
210 | wchar_t *part, *tpart; |
211 | size_t bufsize, bufdata; |
212 | |
213 | buf = NULL; |
214 | bufsize = bufdata = 0; |
215 | num = 0; |
216 | va_start(al, cont); |
217 | while((part = va_arg(al, wchar_t *)) != NULL) |
218 | { |
219 | if(*part == L'%') |
220 | { |
221 | /* |
222 | * This kludge demands that all arguments that you call it |
223 | * with are the size of an int. That happens to be the |
224 | * case for most datatypes on most platforms and |
225 | * compilers, but I don't know exactly which ones, and |
226 | * also a long long is a notable candidate of an arg that |
227 | * is not the size of an int on 32-bit archs. If it breaks |
228 | * some existing call on your architecture, please tell |
229 | * me. |
230 | */ |
231 | part = vswprintf2(tpart = (part + 1), al); |
232 | for(; *tpart != L'\0'; tpart++) |
233 | { |
234 | if(*tpart == L'%') |
235 | { |
236 | if(tpart[1] == L'%') |
237 | tpart++; |
238 | else |
239 | va_arg(al, int); |
240 | } |
241 | } |
242 | freepart = 1; |
243 | } else { |
244 | freepart = 0; |
245 | } |
246 | if((tpart = quoteword(part)) != NULL) |
247 | { |
248 | if(freepart) |
249 | free(part); |
250 | part = tpart; |
251 | freepart = 1; |
252 | } |
253 | if((num > 1) || ((num == 1) && !(cont & 1))) |
254 | addtobuf(buf, L' '); |
255 | bufcat(buf, part, wcslen(part)); |
256 | if((num == 0) && (cont & 1)) |
257 | addtobuf(buf, L'-'); |
258 | num++; |
259 | if(freepart) |
260 | free(part); |
261 | } |
262 | if(cont & 2) |
263 | bufcat(buf, L" \0", 2); |
264 | else |
265 | bufcat(buf, L"\r\n\0", 3); |
266 | if((final = icwcstombs(buf, "utf-8")) == NULL) |
267 | { |
268 | flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno)); |
269 | free(buf); |
270 | return; |
271 | } |
272 | va_end(al); |
273 | free(buf); |
274 | sockqueue(sk, final, strlen(final)); |
275 | free(final); |
276 | } |
277 | |
278 | struct uiuser *finduser(wchar_t *name) |
279 | { |
280 | struct uiuser *user; |
281 | |
282 | for(user = users; user != NULL; user = user->next) |
283 | { |
284 | if(!wcscmp(user->name, name)) |
285 | break; |
286 | } |
287 | return(user); |
288 | } |
289 | |
290 | static void logout(struct uidata *data) |
291 | { |
292 | data->userinfo = NULL; |
293 | if(data->username != NULL) |
294 | free(data->username); |
295 | data->username = NULL; |
296 | if(data->auth != NULL) |
297 | authputhandle(data->auth); |
298 | data->auth = NULL; |
299 | } |
300 | |
301 | static int haspriv(struct uidata *data, int perm) |
302 | { |
303 | if(data->userinfo == NULL) |
304 | return(0); |
305 | if(data->userinfo->perms & perm) |
306 | return(1); |
307 | else |
308 | return(0); |
309 | } |
310 | |
311 | /* Useful macros for the command functions: */ |
312 | #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0) |
313 | #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) |
314 | |
315 | static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
316 | { |
317 | int valid; |
318 | |
319 | if(confgetint("ui", "onlylocal")) |
320 | { |
321 | switch(sk->remote->sa_family) |
322 | { |
323 | case AF_INET: |
324 | valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK; |
325 | break; |
326 | case AF_INET6: |
327 | valid = !memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)); |
328 | break; |
329 | default: |
330 | valid = 0; |
331 | break; |
332 | } |
333 | if(!valid) |
334 | { |
335 | sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL); |
336 | sk->close = 1; |
337 | data->close = 1; |
338 | return; |
339 | } |
340 | } |
341 | sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL); |
342 | } |
343 | |
344 | static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
345 | { |
346 | if((argv != NULL) && (argv[0] != NULL)) |
347 | sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL); |
348 | else |
349 | sq(sk, 0, L"500", L"No command", NULL); |
350 | } |
351 | |
352 | static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
353 | { |
354 | extern volatile int running; |
355 | |
356 | havepriv(PERM_ADMIN); |
357 | flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username); |
358 | running = 0; |
359 | sq(sk, 0, L"200", L"Daemon shutting down", NULL); |
360 | } |
361 | |
362 | static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
363 | { |
364 | sq(sk, 0, L"200", L"Closing connection", NULL); |
365 | data->close = 1; |
366 | } |
367 | |
368 | static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
369 | { |
370 | struct authmech *mech, *prev; |
371 | |
372 | prev = NULL; |
373 | for(mech = mechs; mech != NULL; mech = mech->next) |
374 | { |
375 | if(mech->enabled) |
376 | { |
377 | if(prev != NULL) |
378 | sq(sk, 1, L"200", prev->name, NULL); |
379 | prev = mech; |
380 | } |
381 | } |
382 | if(prev == NULL) |
383 | sq(sk, 0, L"201", L"No authentication methods supported", NULL); |
384 | else |
385 | sq(sk, 0, L"200", prev->name, NULL); |
386 | } |
387 | |
388 | static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
389 | { |
390 | char *buf; |
391 | int code; |
392 | struct passwd *pwd; |
393 | |
394 | haveargs(3); |
395 | if(data->username != NULL) |
396 | { |
397 | if(data->userinfo != NULL) |
398 | sq(sk, 0, L"503", L"Already logged in", NULL); |
399 | else |
400 | sq(sk, 0, L"503", L"Already logging in", NULL); |
401 | return; |
402 | } |
403 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
404 | { |
405 | sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL); |
406 | return; |
407 | } |
408 | data->username = swcsdup(argv[2]); |
409 | if((pwd = getpwnam(buf)) == NULL) |
410 | data->uid = -1; |
411 | else |
412 | data->uid = pwd->pw_uid; |
413 | if((data->auth = initauth(argv[1], buf)) == NULL) |
414 | { |
415 | if(errno == ENOENT) |
416 | sq(sk, 0, L"508", L"No such authentication mechanism", NULL); |
417 | else |
418 | sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL); |
419 | free(buf); |
420 | logout(data); |
421 | return; |
422 | } |
423 | free(buf); |
424 | switch(authenticate(data->auth, NULL)) |
425 | { |
426 | case AUTH_SUCCESS: |
427 | data->userinfo = finduser(data->username); |
428 | if(data->userinfo == NULL) |
429 | data->userinfo = finduser(L"default"); |
430 | if(data->uid == -1) |
431 | { |
432 | sq(sk, 0, L"506", L"Authentication error", NULL); |
433 | flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username); |
434 | logout(data); |
435 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
436 | sq(sk, 0, L"506", L"Authentication error", NULL); |
437 | flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username); |
438 | logout(data); |
439 | } else { |
440 | sq(sk, 0, L"200", L"Welcome", NULL); |
441 | flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid); |
442 | } |
443 | break; |
444 | case AUTH_DENIED: |
445 | sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
446 | logout(data); |
447 | break; |
448 | case AUTH_PASS: |
449 | switch(data->auth->prompt) |
450 | { |
451 | case AUTH_PR_AUTO: |
452 | code = 300; |
453 | break; |
454 | case AUTH_PR_NOECHO: |
455 | code = 301; |
456 | break; |
457 | case AUTH_PR_ECHO: |
458 | code = 302; |
459 | break; |
460 | case AUTH_PR_INFO: |
461 | code = 303; |
462 | break; |
463 | case AUTH_PR_ERROR: |
464 | code = 304; |
465 | break; |
466 | } |
467 | sq(sk, 0, L"%%i", code, data->auth->text, NULL); |
468 | break; |
469 | case AUTH_ERR: |
470 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
471 | logout(data); |
472 | break; |
473 | default: |
474 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login"); |
475 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
476 | logout(data); |
477 | break; |
478 | } |
479 | } |
480 | |
481 | static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
482 | { |
483 | char *buf; |
484 | int code; |
485 | |
486 | haveargs(2); |
487 | if((buf = icwcstombs(argv[1], NULL)) == NULL) |
488 | { |
489 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
490 | return; |
491 | } |
492 | if((data->auth == NULL) || (data->userinfo != NULL)) |
493 | { |
494 | sq(sk, 0, L"507", L"Data not expected", NULL); |
495 | return; |
496 | } |
497 | switch(authenticate(data->auth, buf)) |
498 | { |
499 | case AUTH_SUCCESS: |
500 | data->userinfo = finduser(data->username); |
501 | if(data->userinfo == NULL) |
502 | data->userinfo = finduser(L"default"); |
503 | if(data->uid == -1) |
504 | { |
505 | sq(sk, 0, L"506", L"Authentication error", NULL); |
506 | flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username); |
507 | logout(data); |
508 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
509 | sq(sk, 0, L"506", L"Authentication error", NULL); |
510 | flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username); |
511 | logout(data); |
512 | } else { |
513 | sq(sk, 0, L"200", L"Welcome", NULL); |
514 | flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid); |
515 | } |
516 | break; |
517 | case AUTH_DENIED: |
518 | sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
519 | logout(data); |
520 | break; |
521 | case AUTH_PASS: |
522 | switch(data->auth->prompt) |
523 | { |
524 | case AUTH_PR_AUTO: |
525 | code = 300; |
526 | break; |
527 | case AUTH_PR_NOECHO: |
528 | code = 301; |
529 | break; |
530 | case AUTH_PR_ECHO: |
531 | code = 302; |
532 | break; |
533 | case AUTH_PR_INFO: |
534 | code = 303; |
535 | break; |
536 | case AUTH_PR_ERROR: |
537 | code = 304; |
538 | break; |
539 | } |
540 | sq(sk, 0, L"%%i", code, data->auth->text, NULL); |
541 | break; |
542 | case AUTH_ERR: |
543 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
544 | logout(data); |
545 | break; |
546 | default: |
547 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass"); |
548 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
549 | logout(data); |
550 | break; |
551 | } |
552 | free(buf); |
553 | } |
554 | |
555 | static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
556 | { |
557 | int i; |
558 | char *buf; |
559 | int err; |
560 | struct fnetnode *fn; |
561 | |
562 | haveargs(3); |
563 | havepriv(PERM_FNETCTL); |
564 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
565 | { |
566 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
567 | return; |
568 | } |
569 | fn = fnetinitconnect(argv[1], buf); |
570 | err = errno; |
571 | free(buf); |
572 | if(fn == NULL) |
573 | { |
574 | if(errno == EPROTONOSUPPORT) |
575 | sq(sk, 0, L"511", L"No such network name", NULL); |
576 | else |
577 | sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL); |
578 | return; |
579 | } |
580 | for(i = 3; i < argc - 1; i += 2) |
581 | { |
582 | if(!wcscmp(argv[i], L"nick")) |
583 | fnetsetnick(fn, argv[i + 1]); |
584 | } |
585 | linkfnetnode(fn); |
586 | fnetsetname(fn, argv[2]); |
587 | putfnetnode(fn); |
588 | sq(sk, 0, L"200", L"Connection under way", NULL); |
589 | } |
590 | |
591 | static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
592 | { |
593 | struct fnetnode *fn; |
594 | |
595 | if(fnetnodes == NULL) |
596 | { |
597 | sq(sk, 0, L"201", L"No connected nodes", NULL); |
598 | return; |
599 | } |
600 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
601 | { |
602 | 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); |
603 | } |
604 | } |
605 | |
606 | static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
607 | { |
608 | struct fnetnode *fn; |
609 | int i; |
610 | |
611 | haveargs(2); |
612 | havepriv(PERM_FNETCTL); |
613 | /* Note - Programmatical user interfaces must only give one |
614 | * argument per command, the multiple argument form is only for |
615 | * convenience when manually controlling the daemon via |
616 | * eg. telnet. The reason is that the return codes aren't clear |
617 | * enough for the multiple argument form. */ |
618 | for(i = 1; i < argc; i++) |
619 | { |
620 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
621 | { |
622 | sq(sk, 0, L"510", L"No such node", NULL); |
623 | return; |
624 | } |
625 | killfnetnode(fn); |
626 | unlinkfnetnode(fn); |
627 | } |
628 | sq(sk, 0, L"200", L"Node flagged for disconnection", NULL); |
629 | } |
630 | |
631 | static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
632 | { |
633 | struct fnetnode *fn; |
634 | struct fnetpeerdatum *datum; |
635 | |
636 | haveargs(2); |
637 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
638 | { |
639 | sq(sk, 0, L"510", L"No such node", NULL); |
640 | return; |
641 | } |
642 | if(fn->peerdata == NULL) |
643 | { |
644 | sq(sk, 0, L"201", L"No data available", NULL); |
645 | } else { |
646 | for(datum = fn->peerdata; datum != NULL; datum = datum->next) |
647 | sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL); |
648 | } |
649 | } |
650 | |
651 | static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
652 | { |
653 | int i; |
654 | struct fnetnode *fn; |
655 | struct fnetpeer *peer; |
656 | wchar_t buf[40]; |
657 | |
658 | haveargs(2); |
659 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
660 | { |
661 | sq(sk, 0, L"510", L"No such node", NULL); |
662 | return; |
663 | } |
664 | if(fn->peers == NULL) |
665 | { |
666 | sq(sk, 0, L"201", L"No peers avaiable", NULL); |
667 | } else { |
668 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
669 | { |
670 | sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL); |
671 | for(i = 0; i < peer->dinum; i++) |
672 | { |
673 | if(peer->peerdi[i].datum->datatype == FNPD_INT) |
674 | sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL); |
675 | /* Note: A long long is not the size of an int, so |
676 | * sq() can't handle the conversion itself. */ |
677 | if(peer->peerdi[i].datum->datatype == FNPD_LL) |
678 | { |
679 | swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum); |
680 | sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL); |
681 | } |
682 | if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL)) |
683 | sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL); |
684 | } |
685 | sq(sk, 0, NULL); |
686 | } |
687 | } |
688 | } |
689 | |
690 | static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
691 | { |
692 | int i; |
693 | struct fnet *net; |
694 | struct fnetnode *fn; |
695 | struct transfer *transfer; |
696 | struct fnetpeer *peer; |
697 | |
698 | haveargs(4); |
699 | if((argc > 5) && ((argc % 2) == 0)) |
700 | { |
701 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
702 | return; |
703 | } |
704 | havepriv(PERM_TRANS); |
705 | if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9')) |
706 | { |
707 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
708 | { |
709 | sq(sk, 0, L"510", L"No such node", NULL); |
710 | return; |
711 | } |
712 | net = fn->fnet; |
713 | } else { |
714 | fn = NULL; |
715 | if((net = findfnet(argv[1])) == NULL) |
716 | { |
717 | sq(sk, 0, L"511", L"No such network name", NULL); |
718 | return; |
719 | } |
720 | } |
721 | transfer = newtransfer(); |
722 | authgethandle(transfer->auth = data->auth); |
723 | transfer->fnet = net; |
724 | transfer->peerid = swcsdup(argv[2]); |
725 | transfer->path = swcsdup(argv[3]); |
726 | transfer->dir = TRNSD_DOWN; |
727 | transfer->owner = data->uid; |
728 | if(fn != NULL) |
729 | { |
730 | transfer->fn = fn; |
731 | getfnetnode(fn); |
732 | linktransfer(transfer); |
733 | if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL)) |
734 | transfersetnick(transfer, peer->nick); |
735 | } else { |
736 | linktransfer(transfer); |
737 | } |
738 | if(argc > 4) |
739 | transfersetsize(transfer, wcstol(argv[4], NULL, 0)); |
740 | if(argc > 5) |
741 | { |
742 | for(i = 5; i < argc; i += 2) |
5123bec0 |
743 | { |
744 | if(!wcscmp(argv[i], L"hash")) |
745 | { |
a04fc9ff |
746 | transfersethash(transfer, parsehash(argv[i + 1])); |
5123bec0 |
747 | } else { |
748 | transferaddarg(transfer, argv[i], argv[i + 1]); |
749 | } |
750 | } |
d3372da9 |
751 | } |
752 | sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL); |
753 | transfersetactivity(transfer, L"create"); |
754 | } |
755 | |
756 | static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
757 | { |
758 | struct transfer *transfer, *pt; |
759 | |
760 | havepriv(PERM_TRANS); |
761 | pt = NULL; |
762 | for(transfer = transfers; transfer != NULL; transfer = transfer->next) |
763 | { |
764 | if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid)) |
765 | { |
766 | if(pt != NULL) |
767 | sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir, |
768 | L"%%i", pt->state, pt->peerid, |
769 | (pt->peernick == NULL)?L"":(pt->peernick), |
770 | (pt->path == NULL)?L"":(pt->path), |
771 | L"%%i", pt->size, L"%%i", pt->curpos, |
5123bec0 |
772 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
d3372da9 |
773 | NULL); |
774 | pt = transfer; |
775 | } |
776 | } |
777 | if(pt == NULL) |
778 | sq(sk, 0, L"201", L"No transfers", NULL); |
779 | else |
780 | sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir, |
781 | L"%%i", pt->state, pt->peerid, |
782 | (pt->peernick == NULL)?L"":(pt->peernick), |
783 | (pt->path == NULL)?L"":(pt->path), |
784 | L"%%i", pt->size, L"%%i", pt->curpos, |
5123bec0 |
785 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
d3372da9 |
786 | NULL); |
787 | } |
788 | |
789 | static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
790 | { |
791 | struct transfer *transfer; |
792 | |
793 | haveargs(2); |
794 | havepriv(PERM_TRANS); |
795 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
796 | { |
797 | sq(sk, 0, L"512", L"No such transfer", NULL); |
798 | return; |
799 | } |
800 | if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU)) |
801 | { |
802 | sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL); |
803 | return; |
804 | } |
805 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
806 | { |
807 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
808 | return; |
809 | } |
810 | transfer->close = 1; |
811 | sq(sk, 0, L"200", L"Transfer cancelled", NULL); |
812 | } |
813 | |
814 | static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
815 | { |
816 | int i, val; |
817 | |
818 | if((argc % 2) != 1) |
819 | { |
820 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
821 | return; |
822 | } |
823 | for(i = 1; i < argc; i += 2) |
824 | { |
825 | if(!wcscasecmp(argv[i + 1], L"on")) |
826 | val = 1; |
827 | else |
828 | val = 0; |
829 | if(!wcscasecmp(argv[i], L"all")) |
830 | { |
831 | if(val) |
832 | data->notify.w = ~0; |
833 | else |
834 | data->notify.w = 0; |
835 | } else if(!wcscasecmp(argv[i], L"fn:chat")) { |
836 | data->notify.b.fnchat = val; |
837 | } else if(!wcscasecmp(argv[i], L"fn:act")) { |
838 | data->notify.b.fnact = val; |
ba86d49a |
839 | } else if(!wcscasecmp(argv[i], L"fn:peer")) { |
840 | data->notify.b.fnpeer = val; |
d3372da9 |
841 | } else if(!wcscasecmp(argv[i], L"trans:act")) { |
842 | data->notify.b.tract = val; |
843 | } else if(!wcscasecmp(argv[i], L"trans:prog")) { |
844 | data->notify.b.trprog = val; |
845 | } else if(!wcscasecmp(argv[i], L"srch:act")) { |
846 | data->notify.b.srch = val; |
847 | } |
848 | } |
849 | sq(sk, 0, L"200", L"Notification alteration succeeded", NULL); |
850 | } |
851 | |
852 | static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
853 | { |
854 | struct fnetnode *fn; |
855 | int public; |
856 | |
857 | haveargs(5); |
858 | havepriv(PERM_CHAT); |
859 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
860 | { |
861 | sq(sk, 0, L"510", L"No such node", NULL); |
862 | return; |
863 | } |
864 | public = wcstol(argv[2], NULL, 0); |
865 | if((public != 0) && (public != 1)) |
866 | { |
867 | sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL); |
868 | return; |
869 | } |
870 | if(fn->state != FNN_EST) |
871 | { |
872 | sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL); |
873 | return; |
874 | } |
875 | if(fnetsendchat(fn, public, argv[3], argv[4])) |
876 | { |
877 | if(errno == ENOTSUP) |
878 | sq(sk, 0, L"513", L"This network does not support chatting", NULL); |
879 | else if(errno == EPERM) |
880 | sq(sk, 0, L"502", L"This node does not allow you to chat", NULL); |
881 | else if(errno == EILSEQ) |
882 | sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL); |
883 | else |
884 | sq(sk, 0, L"505", L"Could not chat", NULL); |
885 | return; |
886 | } |
887 | sq(sk, 0, L"200", L"Chat string sent", NULL); |
888 | } |
889 | |
890 | static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
891 | { |
892 | struct search *srch; |
893 | struct fnetnode *fn; |
894 | struct sexpr *sexpr; |
895 | int i; |
896 | |
897 | haveargs(3); |
898 | havepriv(PERM_SRCH); |
899 | srch = newsearch(data->username, NULL); |
900 | for(i = 1; i < argc; i++) |
901 | { |
902 | if(!wcscmp(argv[i], L"all")) |
903 | { |
904 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
905 | { |
906 | if(fn->state == FNN_EST) |
907 | searchaddfn(srch, fn); |
908 | } |
909 | i++; |
910 | break; |
911 | } else if(!wcscmp(argv[i], L"prio")) { |
912 | if(++i == argc) |
913 | { |
914 | sq(sk, 0, L"501", L"No argument to prio", NULL); |
915 | freesearch(srch); |
916 | return; |
917 | } |
918 | srch->prio = wcstol(argv[i], NULL, 0); |
919 | } else if(iswdigit(*argv[i])) { |
920 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
921 | { |
922 | sq(sk, 0, L"510", L"No such node", NULL); |
923 | freesearch(srch); |
924 | return; |
925 | } |
926 | searchaddfn(srch, fn); |
927 | } else { |
928 | break; |
929 | } |
930 | } |
931 | if(srch->fnl == NULL) |
932 | { |
933 | sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL); |
934 | freesearch(srch); |
935 | return; |
936 | } |
937 | if(i == argc) |
938 | { |
939 | sq(sk, 0, L"501", L"No search expression found on line", NULL); |
940 | freesearch(srch); |
941 | return; |
942 | } |
943 | if((sexpr = parsesexpr(argc - i, argv + i)) == NULL) |
944 | { |
945 | sq(sk, 0, L"509", L"Could not parse search expression", NULL); |
946 | freesearch(srch); |
947 | return; |
948 | } |
949 | optsexpr(sexpr); |
950 | getsexpr(srch->sexpr = sexpr); |
951 | queuesearch(srch); |
952 | CBREG(srch, search_eta, srcheta, NULL, NULL); |
953 | CBREG(srch, search_commit, srchcommit, NULL, NULL); |
954 | CBREG(srch, search_result, srchres, NULL, NULL); |
955 | sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL); |
956 | putsexpr(sexpr); |
957 | } |
958 | |
959 | static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
960 | { |
961 | struct search *srch, *pt; |
962 | time_t now; |
963 | |
964 | havepriv(PERM_SRCH); |
965 | pt = NULL; |
966 | now = time(NULL); |
967 | for(srch = searches; srch != NULL; srch = srch->next) |
968 | { |
969 | if(!wcscmp(srch->owner, data->username)) |
970 | { |
971 | if(pt != NULL) |
972 | sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL); |
973 | pt = srch; |
974 | } |
975 | } |
976 | if(pt == NULL) |
977 | sq(sk, 0, L"201", L"No searches", NULL); |
978 | else |
979 | sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL); |
980 | } |
981 | |
982 | static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
983 | { |
984 | struct search *srch; |
985 | struct srchres *sr; |
986 | wchar_t buf[64]; |
987 | |
988 | haveargs(2); |
989 | havepriv(PERM_SRCH); |
990 | if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL) |
991 | { |
992 | sq(sk, 0, L"514", L"No such search", NULL); |
993 | return; |
994 | } |
995 | if(srch->results == NULL) |
996 | { |
997 | sq(sk, 0, L"201", L"No results", NULL); |
998 | } else { |
999 | for(sr = srch->results; sr != NULL; sr = sr->next) |
1000 | { |
1001 | swprintf(buf, 64, L"%f", sr->time); |
65643d01 |
1002 | 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 |
1003 | } |
1004 | } |
1005 | } |
1006 | |
1007 | static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1008 | { |
1009 | struct search *srch; |
1010 | int i; |
1011 | |
1012 | haveargs(2); |
1013 | havepriv(PERM_SRCH); |
1014 | /* Note - Programmatical user interfaces must only give one |
1015 | * argument per command, the multiple argument form is only for |
1016 | * convenience when manually controlling the daemon via |
1017 | * eg. telnet. The reason is that the return codes aren't clear |
1018 | * enough for the multiple argument form. */ |
1019 | for(i = 1; i < argc; i++) |
1020 | { |
1021 | if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL) |
1022 | { |
1023 | sq(sk, 0, L"514", L"No such search", NULL); |
1024 | return; |
1025 | } |
1026 | freesearch(srch); |
1027 | } |
1028 | sq(sk, 0, L"200", L"Search cancelled", NULL); |
1029 | } |
1030 | |
1031 | static void fcmdread(struct socket *sk, struct uidata *data) |
1032 | { |
1033 | char *buf; |
1034 | size_t bufsize; |
1035 | |
1036 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
1037 | return; |
1038 | bufcat(data->fcmdbuf, buf, bufsize); |
1039 | free(buf); |
1040 | } |
1041 | |
1042 | static void fcmderr(struct socket *sk, int err, struct uidata *data) |
1043 | { |
1044 | wchar_t *wbuf, *p, *p2; |
1045 | |
1046 | if(err) |
1047 | { |
1048 | flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err)); |
1049 | kill(-data->fcmdpid, SIGHUP); |
1050 | putsock(data->fcmdsk); |
1051 | data->fcmdsk = NULL; |
1052 | if(data->fcmdbuf != NULL) |
1053 | { |
1054 | free(data->fcmdbuf); |
1055 | data->fcmdbuf = NULL; |
1056 | } |
1057 | data->fcmdbufsize = data->fcmdbufdata = 0; |
1058 | sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL); |
1059 | return; |
1060 | } |
1061 | putsock(data->fcmdsk); |
1062 | data->fcmdsk = NULL; |
1063 | data->fcmdpid = 0; |
1064 | if(data->fcmdbuf == NULL) |
1065 | { |
1066 | wbuf = swcsdup(L""); |
1067 | } else { |
1068 | addtobuf(data->fcmdbuf, 0); |
1069 | wbuf = icmbstowcs(data->fcmdbuf, NULL); |
1070 | free(data->fcmdbuf); |
1071 | } |
1072 | data->fcmdbuf = NULL; |
1073 | data->fcmdbufsize = data->fcmdbufdata = 0; |
1074 | if(wbuf == NULL) |
1075 | { |
1076 | sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL); |
1077 | return; |
1078 | } |
1079 | p = wbuf; |
1080 | for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n')) |
1081 | { |
1082 | *(p2++) = L'\0'; |
1083 | sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL); |
1084 | p = p2; |
1085 | } |
1086 | if(*p == L'\0') |
1087 | { |
1088 | if(p == wbuf) |
1089 | sq(data->sk, 0, L"201", L"No data returned", NULL); |
1090 | } else { |
1091 | sq(data->sk, 0, L"200", L"%%ls", p, NULL); |
1092 | } |
1093 | free(wbuf); |
1094 | } |
1095 | |
1096 | static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1097 | { |
1098 | int i; |
1099 | pid_t pid; |
1100 | int pipe; |
1101 | char **cargv, **pp; |
1102 | char *filtercmd, *argbuf; |
1103 | size_t cargvsize, cargvdata; |
1104 | struct passwd *pwent; |
1105 | |
1106 | haveargs(2); |
1107 | havepriv(PERM_TRANS); |
1108 | if((pwent = getpwuid(data->uid)) == NULL) |
1109 | { |
1110 | flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid); |
1111 | sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL); |
1112 | return; |
1113 | } |
1114 | if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL) |
1115 | { |
1116 | flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name); |
1117 | sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL); |
1118 | return; |
1119 | } |
1120 | cargv = NULL; |
1121 | cargvsize = cargvdata = 0; |
1122 | addtobuf(cargv, filtercmd); |
1123 | for(i = 1; i < argc; i++) |
1124 | { |
1125 | if((argbuf = icwcstombs(argv[i], NULL)) == NULL) |
1126 | { |
1127 | for(i = 0; i < cargvdata; i++) |
1128 | free(cargv[i]); |
1129 | free(cargv); |
1130 | sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL); |
1131 | return; |
1132 | } |
1133 | addtobuf(cargv, argbuf); |
1134 | } |
1135 | addtobuf(cargv, NULL); |
1136 | 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) |
1137 | { |
1138 | flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno)); |
1139 | sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL); |
1140 | return; |
1141 | } |
1142 | if(pid == 0) |
1143 | { |
1144 | execv(filtercmd, cargv); |
1145 | flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno)); |
1146 | exit(127); |
1147 | } |
1148 | for(pp = cargv; *pp; pp++) |
1149 | free(*pp); |
1150 | free(cargv); |
1151 | data->fcmdsk = wrapsock(pipe); |
1152 | data->fcmdpid = pid; |
1153 | if(data->fcmdbuf != NULL) |
1154 | { |
1155 | free(data->fcmdbuf); |
1156 | data->fcmdbuf = NULL; |
1157 | } |
1158 | data->fcmdbufsize = data->fcmdbufdata = 0; |
1159 | data->fcmdsk->data = data; |
1160 | data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread; |
1161 | data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr; |
1162 | } |
1163 | |
1164 | static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1165 | { |
1166 | struct transfer *transfer; |
1167 | struct transarg *ta; |
1168 | |
1169 | haveargs(2); |
1170 | havepriv(PERM_TRANS); |
1171 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
1172 | { |
1173 | sq(sk, 0, L"512", L"No such transfer", NULL); |
1174 | return; |
1175 | } |
1176 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
1177 | { |
1178 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
1179 | return; |
1180 | } |
1181 | if(transfer->args == NULL) |
1182 | { |
1183 | sq(sk, 0, L"201", L"Transfer has no arguments", NULL); |
1184 | } else { |
1185 | for(ta = transfer->args; ta != NULL; ta = ta->next) |
1186 | sq(sk, ta->next != NULL, L"200", L"%%ls", ta->rec, L"%%ls", ta->val, NULL); |
1187 | } |
1188 | } |
1189 | |
1190 | static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1191 | { |
1192 | struct sharecache *node; |
1193 | int total, hashed; |
1194 | |
1195 | total = hashed = 0; |
1196 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
1197 | { |
1198 | if(node->f.b.type == FILE_REG) |
1199 | { |
1200 | total++; |
1201 | if(node->f.b.hastth) |
1202 | hashed++; |
1203 | } |
1204 | } |
1205 | sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL); |
1206 | } |
1207 | |
1208 | #undef haveargs |
1209 | #undef havepriv |
1210 | |
1211 | /* |
1212 | * Reserved command numbers for nameless commands: |
1213 | * 0: Issued when a client has connected |
1214 | * 1: Issued when a named command couldn't be found |
1215 | */ |
1216 | |
1217 | static struct command commands[] = |
1218 | { |
1219 | {NULL, cmd_connect}, |
1220 | {NULL, cmd_notfound}, |
1221 | {L"shutdown", cmd_shutdown}, |
1222 | {L"quit", cmd_quit}, |
1223 | {L"lsauth", cmd_lsauth}, |
1224 | {L"login", cmd_login}, |
1225 | {L"pass", cmd_pass}, |
1226 | {L"cnct", cmd_fnetconnect}, |
1227 | {L"lsnodes", cmd_lsnodes}, |
1228 | {L"dcnct", cmd_disconnect}, |
1229 | {L"lspa", cmd_lspa}, |
1230 | {L"lspeers", cmd_lspeers}, |
1231 | {L"download", cmd_download}, |
1232 | {L"lstrans", cmd_lstrans}, |
1233 | {L"cancel", cmd_cancel}, |
1234 | {L"notify", cmd_notify}, |
1235 | {L"sendchat", cmd_sendchat}, |
1236 | {L"search", cmd_search}, |
1237 | {L"lssrch", cmd_lssrch}, |
1238 | {L"lssr", cmd_lssr}, |
1239 | {L"cansrch", cmd_cansrch}, |
1240 | {L"filtercmd", cmd_filtercmd}, |
1241 | {L"lstrarg", cmd_lstrarg}, |
1242 | {L"hashstatus", cmd_hashstatus}, |
1243 | {NULL, NULL} |
1244 | }; |
1245 | |
1246 | static void freequeuecmd(struct qcommand *qcmd) |
1247 | { |
1248 | int i; |
1249 | |
1250 | if(qcmd->argv != NULL) |
1251 | { |
1252 | for(i = 0; i < qcmd->argc; i++) |
1253 | free(qcmd->argv[i]); |
1254 | free(qcmd->argv); |
1255 | } |
1256 | free(qcmd); |
1257 | } |
1258 | |
1259 | static struct qcommand *unlinkqcmd(struct uidata *data) |
1260 | { |
1261 | struct qcommand *qcmd; |
1262 | |
1263 | qcmd = data->queue; |
1264 | if(qcmd != NULL) |
1265 | { |
1266 | data->queue = qcmd->next; |
1267 | if(qcmd == data->queuelast) |
1268 | data->queuelast = qcmd->next; |
1269 | } |
1270 | return(qcmd); |
1271 | } |
1272 | |
ba86d49a |
1273 | static void notifappendv(struct notif *notif, va_list args) |
d3372da9 |
1274 | { |
d3372da9 |
1275 | int dt, ca; |
1276 | |
d3372da9 |
1277 | while((dt = va_arg(args, int)) != NOTIF_END) |
1278 | { |
1279 | ca = notif->argc; |
1280 | notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc); |
1281 | notif->argv[ca].dt = dt; |
1282 | switch(dt) |
1283 | { |
1284 | case NOTIF_INT: |
1285 | case NOTIF_ID: |
1286 | notif->argv[ca].d.n = va_arg(args, int); |
1287 | break; |
1288 | case NOTIF_STR: |
1289 | notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *)); |
1290 | break; |
1291 | case NOTIF_FLOAT: |
1292 | notif->argv[ca].d.d = va_arg(args, double); |
1293 | break; |
1294 | } |
1295 | } |
ba86d49a |
1296 | } |
1297 | |
1298 | static void notifappend(struct notif *notif, ...) |
1299 | { |
1300 | va_list args; |
1301 | |
1302 | va_start(args, notif); |
1303 | notifappendv(notif, args); |
1304 | va_end(args); |
1305 | } |
1306 | |
1307 | static struct notif *newnotif(struct uidata *data, int code, ...) |
1308 | { |
1309 | struct notif *notif; |
1310 | va_list args; |
1311 | |
1312 | notif = smalloc(sizeof(*notif)); |
1313 | memset(notif, 0, sizeof(*notif)); |
1314 | notif->rlimit = 0.0; |
1315 | notif->ui = data; |
1316 | notif->code = code; |
1317 | va_start(args, code); |
1318 | notifappendv(notif, args); |
d3372da9 |
1319 | va_end(args); |
1320 | notif->next = NULL; |
1321 | notif->prev = data->lnotif; |
1322 | if(data->lnotif != NULL) |
1323 | data->lnotif->next = notif; |
1324 | else |
1325 | data->fnotif = notif; |
1326 | data->lnotif = notif; |
1327 | return(notif); |
1328 | } |
1329 | |
1330 | static void freenotif(struct notif *notif) |
1331 | { |
1332 | int i; |
1333 | |
1334 | if(notif->next != NULL) |
1335 | notif->next->prev = notif->prev; |
1336 | if(notif->prev != NULL) |
1337 | notif->prev->next = notif->next; |
1338 | if(notif == notif->ui->fnotif) |
1339 | notif->ui->fnotif = notif->next; |
1340 | if(notif == notif->ui->lnotif) |
1341 | notif->ui->lnotif = notif->prev; |
1342 | if(notif->exptimer != NULL) |
1343 | canceltimer(notif->exptimer); |
1344 | for(i = 0; i < notif->argc; i++) |
1345 | { |
1346 | if(notif->argv[i].dt == NOTIF_STR) |
1347 | free(notif->argv[i].d.s); |
1348 | } |
1349 | if(notif->argv != NULL) |
1350 | free(notif->argv); |
1351 | free(notif); |
1352 | } |
1353 | |
1354 | static void notifexpire(int cancelled, struct notif *notif) |
1355 | { |
1356 | notif->exptimer = NULL; |
1357 | if(!cancelled) |
1358 | freenotif(notif); |
1359 | } |
1360 | |
1361 | static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id) |
1362 | { |
1363 | int i, cont; |
1364 | |
1365 | for(; notif != NULL; notif = (dir?notif->next:notif->prev)) |
1366 | { |
1367 | if((notif->code == code) && ((state < 0) || (state == notif->state))) |
1368 | { |
1369 | cont = 0; |
1370 | if(id >= 0) |
1371 | { |
1372 | for(i = 0; i < notif->argc; i++) |
1373 | { |
1374 | if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id)) |
1375 | { |
1376 | cont = 1; |
1377 | break; |
1378 | } |
1379 | } |
1380 | } |
1381 | if(cont) |
1382 | continue; |
1383 | break; |
1384 | } |
1385 | } |
1386 | return(notif); |
1387 | } |
1388 | |
1389 | static void freeuidata(struct uidata *data) |
1390 | { |
1391 | int i; |
1392 | struct qcommand *qcmd; |
1393 | |
1394 | if(data->next != NULL) |
1395 | data->next->prev = data->prev; |
1396 | if(data->prev != NULL) |
1397 | data->prev->next = data->next; |
1398 | if(data == actives) |
1399 | actives = data->next; |
1400 | data->sk->readcb = NULL; |
1401 | data->sk->errcb = NULL; |
1402 | putsock(data->sk); |
1403 | while((qcmd = unlinkqcmd(data)) != NULL) |
1404 | freequeuecmd(qcmd); |
1405 | iconv_close(data->ichandle); |
1406 | if(data->cw != NULL) |
1407 | free(data->cw); |
1408 | if(data->cb != NULL) |
1409 | free(data->cb); |
1410 | if(data->argv != NULL) |
1411 | { |
1412 | for(i = 0; i < data->argc; i++) |
1413 | free(data->argv[i]); |
1414 | free(data->argv); |
1415 | } |
1416 | if(data->auth != NULL) |
1417 | authputhandle(data->auth); |
1418 | if(data->username != NULL) |
1419 | { |
1420 | if(data->userinfo != NULL) |
1421 | flog(LOG_INFO, "%ls logged out", data->username); |
1422 | free(data->username); |
1423 | } |
1424 | free(data->inbuf); |
1425 | while(data->fnotif != NULL) |
1426 | freenotif(data->fnotif); |
1427 | if(data->fcmdbuf != NULL) |
1428 | free(data->fcmdbuf); |
1429 | if(data->fcmdpid != 0) |
1430 | kill(-data->fcmdpid, SIGHUP); |
1431 | if(data->fcmdsk != NULL) |
1432 | putsock(data->fcmdsk); |
1433 | free(data); |
1434 | } |
1435 | |
1436 | static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv) |
1437 | { |
1438 | struct qcommand *new; |
1439 | |
1440 | new = smalloc(sizeof(*new)); |
1441 | new->cmd = cmd; |
1442 | new->argc = argc; |
1443 | new->argv = argv; |
1444 | new->next = NULL; |
1445 | if(data->queuelast != NULL) |
1446 | data->queuelast->next = new; |
1447 | data->queuelast = new; |
1448 | if(data->queue == NULL) |
1449 | data->queue = new; |
1450 | } |
1451 | |
1452 | static struct uidata *newuidata(struct socket *sk) |
1453 | { |
1454 | struct uidata *data; |
1455 | |
1456 | data = smalloc(sizeof(*data)); |
1457 | memset(data, 0, sizeof(*data)); |
1458 | data->sk = sk; |
1459 | getsock(sk); |
1460 | data->inbuf = smalloc(1024); |
1461 | data->uid = -1; |
1462 | if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1) |
1463 | { |
1464 | flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno)); |
1465 | return(NULL); |
1466 | } |
1467 | data->next = actives; |
1468 | data->prev = NULL; |
1469 | if(actives != NULL) |
1470 | actives->prev = data; |
1471 | actives = data; |
1472 | return(data); |
1473 | } |
1474 | |
1475 | static void uiread(struct socket *sk, struct uidata *data) |
1476 | { |
1477 | int ret, done; |
1478 | char *newbuf; |
1479 | char *p1, *p2; |
1480 | wchar_t *porig; |
1481 | size_t datalen, len2; |
1482 | struct command *cur; |
1483 | |
1484 | if(data->indata > 1024) |
1485 | data->indata = 0; |
1486 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
1487 | return; |
1488 | sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1); |
1489 | memcpy(data->inbuf + data->indata, newbuf, datalen); |
1490 | free(newbuf); |
1491 | data->indata += datalen; |
1492 | if(data->cb == NULL) |
1493 | { |
1494 | data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64)); |
1495 | data->cbdata = 0; |
1496 | data->pp = data->cb; |
1497 | } |
1498 | done = 0; |
1499 | while(!done) |
1500 | { |
1501 | if(data->cbsize == data->cbdata) |
1502 | { |
1503 | len2 = data->pp - data->cb; |
1504 | data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2)); |
1505 | data->pp = data->cb + len2; |
1506 | } |
1507 | p1 = data->inbuf; |
1508 | p2 = (char *)(porig = (data->cb + data->cbdata)); |
1509 | len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata); |
1510 | ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2); |
1511 | memmove(data->inbuf, p1, data->indata); |
1512 | /* Just a sanity check */ |
1513 | if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0) |
1514 | { |
1515 | flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!"); |
1516 | abort(); |
1517 | } |
1518 | data->cbdata += (((wchar_t *)p2) - porig); |
1519 | if(ret < 0) |
1520 | { |
1521 | switch(errno) |
1522 | { |
1523 | case EILSEQ: |
1524 | /* XXX: Should this really just ignore it? */ |
1525 | data->indata = 0; |
1526 | done = 1; |
1527 | break; |
1528 | case EINVAL: |
1529 | done = 1; |
1530 | break; |
1531 | case E2BIG: |
1532 | /* Just a sanity check */ |
1533 | if(data->cbsize != data->cbdata) |
1534 | { |
1535 | flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!"); |
1536 | abort(); |
1537 | } |
1538 | break; |
1539 | default: |
1540 | flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno)); |
1541 | break; |
1542 | } |
1543 | } else { |
1544 | done = 1; |
1545 | } |
1546 | } |
1547 | done = 0; |
1548 | while(!done && (data->pp - data->cb < data->cbdata)) |
1549 | { |
1550 | switch(data->ps) |
1551 | { |
1552 | case 0: |
1553 | if(iswspace(*data->pp)) |
1554 | { |
1555 | if(*data->pp == L'\r') |
1556 | { |
1557 | if(data->pp == data->cb + data->cbdata - 1) |
1558 | { |
1559 | done = 1; |
1560 | break; |
1561 | } |
1562 | if(*(++data->pp) == L'\n') |
1563 | { |
1564 | if((data->argv != NULL) && (data->argv[0] != NULL)) |
1565 | { |
1566 | for(cur = commands; cur->handler != NULL; cur++) |
1567 | { |
1568 | if(cur->name == NULL) |
1569 | continue; |
1570 | if(!wcscasecmp(cur->name, data->argv[0])) |
1571 | { |
1572 | queuecmd(data, cur, data->argc, data->argv); |
1573 | break; |
1574 | } |
1575 | } |
1576 | if(cur->handler == NULL) |
1577 | queuecmd(data, &commands[1], data->argc, data->argv); |
1578 | } else { |
1579 | queuecmd(data, &commands[1], data->argc, data->argv); |
1580 | } |
1581 | data->argv = NULL; |
1582 | data->args = 0; |
1583 | data->argc = 0; |
1584 | wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb)); |
1585 | data->pp = data->cb; |
1586 | } else { |
1587 | data->pp++; |
1588 | } |
1589 | } else { |
1590 | data->pp++; |
1591 | } |
1592 | } else { |
1593 | data->ps = 1; |
1594 | data->cwdata = 0; |
1595 | } |
1596 | break; |
1597 | case 1: |
1598 | if(iswspace(*data->pp)) |
1599 | { |
1600 | addtobuf(data->cw, L'\0'); |
1601 | sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1); |
1602 | data->argv[data->argc++] = data->cw; |
1603 | data->cw = NULL; |
1604 | data->cwsize = 0; |
1605 | data->cwdata = 0; |
1606 | data->ps = 0; |
1607 | } else if(*data->pp == L'\"') { |
1608 | data->ps = 2; |
1609 | data->pp++; |
1610 | } else if(*data->pp == L'\\') { |
1611 | if(data->pp == data->cb + data->cbdata - 1) |
1612 | { |
1613 | done = 1; |
1614 | break; |
1615 | } |
1616 | addtobuf(data->cw, *(++data->pp)); |
1617 | data->pp++; |
1618 | } else { |
1619 | addtobuf(data->cw, *(data->pp++)); |
1620 | } |
1621 | break; |
1622 | case 2: |
1623 | if(*data->pp == L'\"') |
1624 | { |
1625 | data->ps = 1; |
1626 | } else if(*data->pp == L'\\') { |
1627 | if(data->pp == data->cb + data->cbdata - 1) |
1628 | { |
1629 | done = 1; |
1630 | break; |
1631 | } |
1632 | addtobuf(data->cw, *(++(data->pp))); |
1633 | } else { |
1634 | addtobuf(data->cw, *data->pp); |
1635 | } |
1636 | data->pp++; |
1637 | break; |
1638 | } |
1639 | } |
1640 | } |
1641 | |
1642 | static void uierror(struct socket *sk, int err, struct uidata *data) |
1643 | { |
1644 | if(err) |
1645 | flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err)); |
1646 | freeuidata(data); |
1647 | } |
1648 | |
1649 | static void uiaccept(struct socket *sk, struct socket *newsk, void *data) |
1650 | { |
1651 | struct uidata *uidata; |
1652 | |
1653 | newsk->data = uidata = newuidata(newsk); |
1654 | socksettos(newsk, confgetint("ui", "uitos")); |
1655 | if(uidata == NULL) |
1656 | return; |
1657 | newsk->errcb = (void (*)(struct socket *, int, void *))uierror; |
1658 | newsk->readcb = (void (*)(struct socket *, void *))uiread; |
1659 | queuecmd(uidata, &commands[0], 0, NULL); |
1660 | } |
1661 | |
1662 | static int srcheta(struct search *srch, void *uudata) |
1663 | { |
1664 | struct uidata *data; |
1665 | |
1666 | for(data = actives; data != NULL; data = data->next) |
1667 | { |
1668 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
1669 | newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END); |
1670 | } |
1671 | return(0); |
1672 | } |
1673 | |
1674 | static int srchcommit(struct search *srch, void *uudata) |
1675 | { |
1676 | struct uidata *data; |
1677 | |
1678 | for(data = actives; data != NULL; data = data->next) |
1679 | { |
1680 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
1681 | newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END); |
1682 | } |
1683 | return(0); |
1684 | } |
1685 | |
1686 | static int srchres(struct search *srch, struct srchres *sr, void *uudata) |
1687 | { |
1688 | struct uidata *data; |
1689 | |
1690 | for(data = actives; data != NULL; data = data->next) |
1691 | { |
1692 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
ebbc13f3 |
1693 | { |
ebbc13f3 |
1694 | 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 |
1695 | 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 |
1696 | } |
d3372da9 |
1697 | } |
1698 | return(0); |
1699 | } |
1700 | |
1701 | static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata) |
1702 | { |
1703 | struct uidata *data; |
1704 | |
1705 | for(data = actives; data != NULL; data = data->next) |
1706 | { |
1707 | if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat) |
1708 | newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END); |
1709 | } |
1710 | return(0); |
1711 | } |
1712 | |
1713 | static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata) |
1714 | { |
1715 | struct uidata *data; |
1716 | struct notif *notif; |
1717 | |
1718 | if(!wcscmp(attrib, L"state")) |
1719 | { |
1720 | for(data = actives; data != NULL; data = data->next) |
1721 | { |
1722 | if(data->notify.b.fnact) |
1723 | newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END); |
1724 | } |
1725 | } else if(!wcscmp(attrib, L"name")) { |
1726 | for(data = actives; data != NULL; data = data->next) |
1727 | { |
1728 | if(data->notify.b.fnact) |
1729 | newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END); |
1730 | } |
1731 | } else if(!wcscmp(attrib, L"numpeers")) { |
1732 | for(data = actives; data != NULL; data = data->next) |
1733 | { |
1734 | if(data->notify.b.fnact) |
1735 | { |
1736 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL) |
1737 | notif->argv[1].d.n = fn->numpeers; |
1738 | else |
ba86d49a |
1739 | newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5; |
d3372da9 |
1740 | } |
1741 | } |
1742 | } |
1743 | return(0); |
1744 | } |
1745 | |
1746 | static int fnunlink(struct fnetnode *fn, void *uudata) |
1747 | { |
1748 | struct uidata *data; |
1749 | |
1750 | for(data = actives; data != NULL; data = data->next) |
1751 | { |
1752 | if(data->notify.b.fnact) |
1753 | newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END); |
1754 | } |
1755 | return(0); |
1756 | } |
1757 | |
ba86d49a |
1758 | static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata) |
1759 | { |
1760 | struct uidata *data; |
1761 | |
1762 | for(data = actives; data != NULL; data = data->next) |
1763 | { |
1764 | if(data->notify.b.fnpeer) |
1765 | newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END); |
1766 | } |
1767 | return(0); |
1768 | } |
1769 | |
1770 | static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata) |
1771 | { |
1772 | struct uidata *data; |
1773 | |
1774 | for(data = actives; data != NULL; data = data->next) |
1775 | { |
1776 | if(data->notify.b.fnpeer) |
1777 | newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END); |
1778 | } |
1779 | return(0); |
1780 | } |
1781 | |
1782 | static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata) |
1783 | { |
1784 | struct uidata *data; |
1785 | struct notif *notif; |
1786 | wchar_t buf[32]; |
1787 | |
1788 | for(data = actives; data != NULL; data = data->next) |
1789 | { |
1790 | if(data->notify.b.fnpeer) |
1791 | { |
1792 | for(notif = data->fnotif; notif != NULL; notif = notif->next) |
1793 | { |
1794 | if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id)) |
1795 | break; |
1796 | } |
1797 | if(notif == NULL) |
1798 | notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END); |
1799 | notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END); |
1800 | switch(di->datum->datatype) |
1801 | { |
1802 | case FNPD_INT: |
1803 | notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END); |
1804 | break; |
1805 | case FNPD_STR: |
1806 | notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END); |
1807 | break; |
1808 | case FNPD_LL: |
1809 | swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum); |
1810 | notifappend(notif, NOTIF_STR, buf, NOTIF_END); |
1811 | break; |
1812 | } |
1813 | } |
1814 | } |
1815 | return(0); |
1816 | } |
1817 | |
d3372da9 |
1818 | static int newfnetnode(struct fnetnode *fn, void *uudata) |
1819 | { |
1820 | struct uidata *data; |
1821 | |
1822 | for(data = actives; data != NULL; data = data->next) |
1823 | { |
1824 | if(data->notify.b.fnact) |
1825 | newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END); |
1826 | } |
1827 | CBREG(fn, fnetnode_ac, fnactive, NULL, NULL); |
1828 | CBREG(fn, fnetnode_chat, recvchat, NULL, NULL); |
1829 | CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL); |
ba86d49a |
1830 | CBREG(fn, fnetpeer_new, peernew, NULL, NULL); |
1831 | CBREG(fn, fnetpeer_del, peerdel, NULL, NULL); |
1832 | CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL); |
d3372da9 |
1833 | return(0); |
1834 | } |
1835 | |
1836 | static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata) |
1837 | { |
1838 | struct uidata *data; |
1839 | |
1840 | if(!wcscmp(attrib, L"state")) |
1841 | { |
1842 | for(data = actives; data != NULL; data = data->next) |
1843 | { |
1844 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1845 | newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END); |
1846 | } |
1847 | } else if(!wcscmp(attrib, L"nick")) { |
1848 | for(data = actives; data != NULL; data = data->next) |
1849 | { |
1850 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1851 | newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END); |
1852 | } |
1853 | } else if(!wcscmp(attrib, L"size")) { |
1854 | for(data = actives; data != NULL; data = data->next) |
1855 | { |
1856 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1857 | newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END); |
1858 | } |
1859 | } else if(!wcscmp(attrib, L"error")) { |
1860 | for(data = actives; data != NULL; data = data->next) |
1861 | { |
1862 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1863 | newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END); |
1864 | } |
1865 | } else if(!wcscmp(attrib, L"path")) { |
1866 | for(data = actives; data != NULL; data = data->next) |
1867 | { |
1868 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1869 | newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END); |
1870 | } |
a04fc9ff |
1871 | } else if(!wcscmp(attrib, L"hash")) { |
1872 | for(data = actives; data != NULL; data = data->next) |
1873 | { |
1874 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
5e13cdca |
1875 | newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END); |
a04fc9ff |
1876 | } |
d3372da9 |
1877 | } |
1878 | return(0); |
1879 | } |
1880 | |
1881 | static int transferprog(struct transfer *transfer, void *uudata) |
1882 | { |
1883 | struct uidata *data; |
1884 | struct notif *notif; |
1885 | |
1886 | for(data = actives; data != NULL; data = data->next) |
1887 | { |
1888 | if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1889 | { |
1890 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL) |
1891 | notif->argv[1].d.n = transfer->curpos; |
1892 | else |
1893 | newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5; |
1894 | } |
1895 | } |
1896 | return(0); |
1897 | } |
1898 | |
1899 | static int transferdestroyed(struct transfer *transfer, void *uudata) |
1900 | { |
1901 | struct uidata *data; |
1902 | |
1903 | for(data = actives; data != NULL; data = data->next) |
1904 | { |
1905 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1906 | newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END); |
1907 | } |
1908 | return(0); |
1909 | } |
1910 | |
1911 | static int newtransfernotify(struct transfer *transfer, void *uudata) |
1912 | { |
1913 | struct uidata *data; |
1914 | |
1915 | for(data = actives; data != NULL; data = data->next) |
1916 | { |
1917 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
1918 | 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); |
1919 | } |
1920 | CBREG(transfer, trans_ac, transferchattr, NULL, NULL); |
1921 | CBREG(transfer, trans_p, transferprog, NULL, NULL); |
1922 | CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL); |
1923 | return(0); |
1924 | } |
1925 | |
1926 | static struct uiuser *newuser(wchar_t *name, unsigned long perms) |
1927 | { |
1928 | struct uiuser *new; |
1929 | |
1930 | new = smalloc(sizeof(*new)); |
1931 | new->used = 0; |
1932 | new->name = swcsdup(name); |
1933 | new->perms = perms; |
1934 | new->delete = 0; |
1935 | new->next = users; |
1936 | new->prev = NULL; |
1937 | if(users != NULL) |
1938 | users->prev = new; |
1939 | users = new; |
1940 | return(new); |
1941 | } |
1942 | |
1943 | static void freeuser(struct uiuser *user) |
1944 | { |
1945 | if(user->next != NULL) |
1946 | user->next->prev = user->prev; |
1947 | if(user->prev != NULL) |
1948 | user->prev->next = user->next; |
1949 | if(user == users) |
1950 | users = user->next; |
1951 | free(user->name); |
1952 | free(user); |
1953 | } |
1954 | |
1955 | static int conf_user(int argc, wchar_t **argv) |
1956 | { |
1957 | int i, perms, permmod; |
1958 | struct uiuser *user; |
1959 | wchar_t *p; |
1960 | |
1961 | if(argc < 3) |
1962 | { |
1963 | flog(LOG_WARNING, "not enough arguments given for user command"); |
1964 | return(1); |
1965 | } |
1966 | perms = 0; |
1967 | for(i = 2; i < argc; i++) |
1968 | { |
1969 | if(!iswalpha(argv[i][0])) |
1970 | p = argv[i] + 1; |
1971 | else |
1972 | p = argv[i]; |
1973 | if(!wcscmp(p, L"disallow")) |
1974 | permmod = PERM_DISALLOW; |
1975 | if(!wcscmp(p, L"admin")) |
1976 | permmod = PERM_ADMIN; |
1977 | if(!wcscmp(p, L"fnetctl")) |
1978 | permmod = PERM_FNETCTL; |
1979 | if(!wcscmp(p, L"trans")) |
1980 | permmod = PERM_TRANS; |
1981 | if(!wcscmp(p, L"transcu")) |
1982 | permmod = PERM_TRANSCU; |
1983 | if(!wcscmp(p, L"chat")) |
1984 | permmod = PERM_CHAT; |
1985 | if(!wcscmp(p, L"srch")) |
1986 | permmod = PERM_SRCH; |
1987 | if(!wcscmp(p, L"all")) |
1988 | permmod = ~0; |
1989 | if(argv[i][0] == L'-') |
1990 | perms &= ~permmod; |
1991 | else |
1992 | perms |= permmod; |
1993 | } |
1994 | if((user = finduser(argv[1])) == NULL) |
1995 | { |
1996 | newuser(argv[1], perms); |
1997 | } else { |
1998 | user->delete = 0; |
1999 | user->perms = perms; |
2000 | } |
2001 | return(0); |
2002 | } |
2003 | |
2004 | static void preinit(int hup) |
2005 | { |
2006 | struct uiuser *user; |
2007 | |
2008 | if(!hup) |
2009 | { |
2010 | newuser(L"default", 0); |
2011 | } else { |
2012 | for(user = users; user != NULL; user = user->next) |
2013 | { |
2014 | if(!wcscmp(user->name, L"default")) |
2015 | user->delete = 1; |
2016 | } |
2017 | } |
2018 | } |
2019 | |
2020 | #ifdef HAVE_IPV6 |
2021 | static struct sockaddr *getnameforport(int port, socklen_t *len) |
2022 | { |
2023 | static struct sockaddr_in6 addr; |
2024 | |
2025 | memset(&addr, 0, sizeof(addr)); |
2026 | addr.sin6_family = AF_INET6; |
2027 | addr.sin6_port = htons(port); |
2028 | addr.sin6_addr = in6addr_any; |
2029 | if(len != NULL) |
2030 | *len = sizeof(addr); |
2031 | return((struct sockaddr *)&addr); |
2032 | } |
2033 | #else |
2034 | static struct sockaddr *getnameforport(int port, socklen_t *len) |
2035 | { |
2036 | static struct sockaddr_in addr; |
2037 | |
2038 | memset(&addr, 0, sizeof(addr)); |
2039 | addr.sin_family = AF_INET; |
2040 | addr.sin_port = htons(port); |
2041 | if(len != NULL) |
2042 | *len = sizeof(addr); |
2043 | return((struct sockaddr *)&addr); |
2044 | } |
2045 | #endif |
2046 | |
2047 | static int portupdate(struct configvar *var, void *uudata) |
2048 | { |
2049 | struct sockaddr *addr; |
2050 | socklen_t addrlen; |
2051 | struct socket *newsock; |
2052 | |
2053 | addr = getnameforport(var->val.num, &addrlen); |
2054 | if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL) |
2055 | { |
2056 | flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno)); |
2057 | return(0); |
2058 | } |
2059 | if(uisocket != NULL) |
2060 | putsock(uisocket); |
2061 | uisocket = newsock; |
2062 | return(0); |
2063 | } |
2064 | |
2065 | static int init(int hup) |
2066 | { |
2067 | struct sockaddr *addr; |
2068 | socklen_t addrlen; |
2069 | struct uiuser *user, *next; |
2070 | |
2071 | if(hup) |
2072 | { |
2073 | for(user = users; user != NULL; user = next) |
2074 | { |
2075 | next = user->next; |
2076 | if(user->delete) |
2077 | freeuser(user); |
2078 | } |
2079 | } |
2080 | if(!hup) |
2081 | { |
2082 | if(uisocket != NULL) |
2083 | putsock(uisocket); |
2084 | addr = getnameforport(confgetint("ui", "port"), &addrlen); |
2085 | if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL) |
2086 | { |
2087 | flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno)); |
2088 | return(1); |
2089 | } |
2090 | CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL); |
2091 | GCBREG(newfncb, newfnetnode, NULL); |
2092 | GCBREG(newtransfercb, newtransfernotify, NULL); |
2093 | } |
2094 | return(0); |
2095 | } |
2096 | |
2097 | static int run(void) |
2098 | { |
2099 | int i, id; |
2100 | struct uidata *data, *next; |
2101 | struct qcommand *qcmd; |
2102 | struct notif *notif, *nnotif; |
2103 | wchar_t buf[64]; |
2104 | |
2105 | for(data = actives; data != NULL; data = next) |
2106 | { |
2107 | next = data->next; |
2108 | if(data->close) |
2109 | freeuidata(data); |
2110 | } |
2111 | for(data = actives; data != NULL; data = data->next) |
2112 | { |
2113 | for(notif = data->fnotif; notif != NULL; notif = nnotif) |
2114 | { |
2115 | nnotif = notif->next; |
2116 | if(notif->state == NOTIF_WAIT) |
2117 | continue; |
2118 | id = -1; |
2119 | for(i = 0; i < notif->argc; i++) |
2120 | { |
2121 | if(notif->argv[i].dt == NOTIF_ID) |
2122 | { |
2123 | id = notif->argv[i].d.n; |
2124 | break; |
2125 | } |
2126 | } |
2127 | if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL) |
2128 | continue; |
2129 | sq(data->sk, 2, L"%%i", notif->code, NULL); |
2130 | for(i = 0; i < notif->argc; i++) |
2131 | { |
2132 | switch(notif->argv[i].dt) |
2133 | { |
2134 | case NOTIF_INT: |
2135 | case NOTIF_ID: |
2136 | sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL); |
2137 | break; |
2138 | case NOTIF_STR: |
2139 | if(notif->argv[i].d.s[0] == L'%') |
2140 | sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL); |
2141 | else |
2142 | sq(data->sk, 2, notif->argv[i].d.s, NULL); |
2143 | break; |
2144 | case NOTIF_FLOAT: |
2145 | swprintf(buf, 64, L"%f", notif->argv[i].d.d); |
2146 | sq(data->sk, 2, buf, NULL); |
2147 | break; |
2148 | } |
2149 | } |
2150 | sq(data->sk, 0, NULL); |
2151 | if(notif->rlimit != 0) |
2152 | { |
2153 | notif->state = NOTIF_WAIT; |
2154 | notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif); |
2155 | } else { |
2156 | freenotif(notif); |
2157 | } |
2158 | } |
2159 | if((qcmd = unlinkqcmd(data)) != NULL) |
2160 | { |
2161 | qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv); |
2162 | freequeuecmd(qcmd); |
2163 | return(1); |
2164 | } |
2165 | } |
2166 | return(0); |
2167 | } |
2168 | |
2169 | static void terminate(void) |
2170 | { |
2171 | while(users != NULL) |
2172 | freeuser(users); |
2173 | } |
2174 | |
2175 | static struct configvar myvars[] = |
2176 | { |
2177 | {CONF_VAR_BOOL, "onlylocal", {.num = 1}}, |
2178 | {CONF_VAR_INT, "port", {.num = 1500}}, |
2179 | {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}}, |
2180 | {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}}, |
2181 | {CONF_VAR_END} |
2182 | }; |
2183 | |
2184 | static struct configcmd mycmds[] = |
2185 | { |
2186 | {"user", conf_user}, |
2187 | {NULL} |
2188 | }; |
2189 | |
2190 | static struct module me = |
2191 | { |
2192 | .name = "ui", |
2193 | .conf = |
2194 | { |
2195 | .vars = myvars, |
2196 | .cmds = mycmds |
2197 | }, |
2198 | .preinit = preinit, |
2199 | .init = init, |
2200 | .run = run, |
2201 | .terminate = terminate |
2202 | }; |
2203 | |
2204 | MODULE(me) |