Fix format mismatch.
[doldaconnect.git] / daemon / ui.c
CommitLineData
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>
504ba854 26#include <arpa/inet.h>
d3372da9 27#include <errno.h>
28#include <string.h>
29#include <stdarg.h>
30#include <wchar.h>
31#include <wctype.h>
32#include <iconv.h>
33#include <pwd.h>
34#include <time.h>
35#include <fcntl.h>
36#include <signal.h>
37
38#ifdef HAVE_CONFIG_H
39#include <config.h>
40#endif
41#include "conf.h"
42#include "auth.h"
43#include "utils.h"
44#include "net.h"
45#include "module.h"
46#include "sysevents.h"
47#include "filenet.h"
48#include "transfer.h"
49#include "search.h"
50#include "client.h"
51
52#define PERM_DISALLOW 1
53#define PERM_ADMIN 2
54#define PERM_FNETCTL 4
55#define PERM_TRANS 8
56#define PERM_TRANSCU 16
57#define PERM_CHAT 32
58#define PERM_SRCH 64
59
60#define NOTIF_END 0
61#define NOTIF_INT 1
62#define NOTIF_STR 2
63#define NOTIF_FLOAT 3
64#define NOTIF_ID 4
65#define NOTIF_PEND 0
66#define NOTIF_WAIT 1
67
68struct uidata;
69
70struct command
71{
72 wchar_t *name;
73 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
74};
75
76struct qcommand
77{
78 struct qcommand *next;
79 struct command *cmd;
80 int argc;
81 wchar_t **argv;
82};
83
84struct uiuser
85{
86 struct uiuser *next, *prev;
87 int used;
88 wchar_t *name;
89 unsigned long perms;
90 int delete;
91};
92
93struct notif
94{
95 struct notif *next, *prev;
96 struct uidata *ui;
97 int state;
98 int code;
99 double rlimit;
100 size_t argc;
101 struct timer *exptimer;
102 struct notifarg
103 {
104 int dt;
105 union
106 {
107 int n;
108 wchar_t *s;
109 double d;
110 } d;
111 } *argv;
112};
113
114struct uidata
115{
116 struct uidata *next, *prev;
117 struct socket *sk;
118 struct qcommand *queue, *queuelast;
119 struct authhandle *auth;
120 int close;
121 union
122 {
123 struct
124 {
125 int fnact:1;
126 int fnchat:1;
ba86d49a 127 int fnpeer:1;
d3372da9 128 int tract:1;
129 int trprog:1;
130 int srch:1;
131 } b;
132 int w;
133 } notify;
134 wchar_t *username;
135 struct uiuser *userinfo;
136 uid_t uid;
137 struct notif *fnotif, *lnotif;
138 char *fcmdbuf;
139 size_t fcmdbufdata, fcmdbufsize;
140 pid_t fcmdpid;
141 struct socket *fcmdsk;
142 /* Read buffer */
143 char *inbuf;
144 size_t inbufsize, indata;
145 /* Wordset storage */
146 wchar_t **argv;
147 int argc, args;
148 /* WCS conversation stuff */
149 wchar_t *cb; /* Conversation buffer */
150 size_t cbsize, cbdata;
151 iconv_t ichandle;
152 /* Parser data */
153 int ps; /* Parser state */
154 wchar_t *pp; /* Current parse pointer */
155 wchar_t *cw; /* Current word (building storage) */
156 size_t cwsize, cwdata;
157};
158
159static int srcheta(struct search *srch, void *uudata);
160static int srchcommit(struct search *srch, void *uudata);
161static int srchres(struct search *srch, struct srchres *sr, void *uudata);
162
163struct uiuser *users = NULL;
164struct uidata *actives = NULL;
165struct socket *uisocket = NULL;
166
167static wchar_t *quoteword(wchar_t *word)
168{
169 wchar_t *wp, *buf, *bp;
170 int dq, numbs, numc;
171
172 dq = 0;
173 numbs = 0;
174 numc = 0;
175 if(*word == L'\0')
176 {
177 dq = 1;
178 } else {
179 for(wp = word; *wp != L'\0'; wp++)
180 {
181 if(!dq && iswspace(*wp))
182 dq = 1;
183 if((*wp == L'\\') || (*wp == L'\"'))
184 numbs++;
185 numc++;
186 }
187 }
188 if(!dq && !numbs)
189 return(NULL);
190 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
191 if(dq)
192 *(bp++) = L'\"';
193 for(wp = word; *wp != L'\0'; wp++)
194 {
195 if((*wp == L'\\') || (*wp == L'\"'))
196 *(bp++) = L'\\';
197 *(bp++) = *wp;
198 }
199 if(dq)
200 *(bp++) = L'\"';
201 *(bp++) = L'\0';
202 return(buf);
203}
204
205static void sq(struct socket *sk, int cont, ...)
206{
207 int num, freepart;
208 va_list al;
209 char *final;
210 wchar_t *buf;
211 wchar_t *part, *tpart;
212 size_t bufsize, bufdata;
213
214 buf = NULL;
215 bufsize = bufdata = 0;
216 num = 0;
217 va_start(al, cont);
218 while((part = va_arg(al, wchar_t *)) != NULL)
219 {
220 if(*part == L'%')
221 {
222 /*
223 * This kludge demands that all arguments that you call it
224 * with are the size of an int. That happens to be the
225 * case for most datatypes on most platforms and
226 * compilers, but I don't know exactly which ones, and
227 * also a long long is a notable candidate of an arg that
228 * is not the size of an int on 32-bit archs. If it breaks
229 * some existing call on your architecture, please tell
230 * me.
231 */
232 part = vswprintf2(tpart = (part + 1), al);
233 for(; *tpart != L'\0'; tpart++)
234 {
235 if(*tpart == L'%')
236 {
237 if(tpart[1] == L'%')
238 tpart++;
239 else
240 va_arg(al, int);
241 }
242 }
243 freepart = 1;
244 } else {
245 freepart = 0;
246 }
247 if((tpart = quoteword(part)) != NULL)
248 {
249 if(freepart)
250 free(part);
251 part = tpart;
252 freepart = 1;
253 }
254 if((num > 1) || ((num == 1) && !(cont & 1)))
255 addtobuf(buf, L' ');
256 bufcat(buf, part, wcslen(part));
257 if((num == 0) && (cont & 1))
258 addtobuf(buf, L'-');
259 num++;
260 if(freepart)
261 free(part);
262 }
263 if(cont & 2)
264 bufcat(buf, L" \0", 2);
265 else
266 bufcat(buf, L"\r\n\0", 3);
267 if((final = icwcstombs(buf, "utf-8")) == NULL)
268 {
269 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
270 free(buf);
271 return;
272 }
273 va_end(al);
274 free(buf);
275 sockqueue(sk, final, strlen(final));
276 free(final);
277}
278
279struct uiuser *finduser(wchar_t *name)
280{
281 struct uiuser *user;
282
283 for(user = users; user != NULL; user = user->next)
284 {
285 if(!wcscmp(user->name, name))
286 break;
287 }
288 return(user);
289}
290
291static void logout(struct uidata *data)
292{
293 data->userinfo = NULL;
294 if(data->username != NULL)
295 free(data->username);
296 data->username = NULL;
297 if(data->auth != NULL)
298 authputhandle(data->auth);
299 data->auth = NULL;
300}
301
302static int haspriv(struct uidata *data, int perm)
303{
304 if(data->userinfo == NULL)
305 return(0);
306 if(data->userinfo->perms & perm)
307 return(1);
308 else
309 return(0);
310}
311
312/* Useful macros for the command functions: */
313#define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
314#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)
315
316static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
317{
318 int valid;
504ba854 319 struct in6_addr mv4lo;
d3372da9 320
321 if(confgetint("ui", "onlylocal"))
322 {
323 switch(sk->remote->sa_family)
324 {
325 case AF_INET:
326 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
327 break;
328 case AF_INET6:
504ba854 329 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
330 valid = 0;
331 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
332 valid = 1;
333 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
334 valid = 1;
d3372da9 335 break;
336 default:
337 valid = 0;
338 break;
339 }
340 if(!valid)
341 {
342 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
343 sk->close = 1;
344 data->close = 1;
345 return;
346 }
347 }
348 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
349}
350
351static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
352{
353 if((argv != NULL) && (argv[0] != NULL))
354 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
355 else
356 sq(sk, 0, L"500", L"No command", NULL);
357}
358
359static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
360{
361 extern volatile int running;
362
363 havepriv(PERM_ADMIN);
364 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
365 running = 0;
366 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
367}
368
369static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
370{
371 sq(sk, 0, L"200", L"Closing connection", NULL);
372 data->close = 1;
373}
374
375static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
376{
377 struct authmech *mech, *prev;
378
379 prev = NULL;
380 for(mech = mechs; mech != NULL; mech = mech->next)
381 {
382 if(mech->enabled)
383 {
384 if(prev != NULL)
385 sq(sk, 1, L"200", prev->name, NULL);
386 prev = mech;
387 }
388 }
389 if(prev == NULL)
390 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
391 else
392 sq(sk, 0, L"200", prev->name, NULL);
393}
394
395static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
396{
397 char *buf;
398 int code;
399 struct passwd *pwd;
400
401 haveargs(3);
402 if(data->username != NULL)
403 {
404 if(data->userinfo != NULL)
405 sq(sk, 0, L"503", L"Already logged in", NULL);
406 else
407 sq(sk, 0, L"503", L"Already logging in", NULL);
408 return;
409 }
410 if((buf = icwcstombs(argv[2], NULL)) == NULL)
411 {
412 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
413 return;
414 }
415 data->username = swcsdup(argv[2]);
416 if((pwd = getpwnam(buf)) == NULL)
417 data->uid = -1;
418 else
419 data->uid = pwd->pw_uid;
420 if((data->auth = initauth(argv[1], buf)) == NULL)
421 {
422 if(errno == ENOENT)
423 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
424 else
425 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
426 free(buf);
427 logout(data);
428 return;
429 }
430 free(buf);
431 switch(authenticate(data->auth, NULL))
432 {
433 case AUTH_SUCCESS:
434 data->userinfo = finduser(data->username);
435 if(data->userinfo == NULL)
436 data->userinfo = finduser(L"default");
437 if(data->uid == -1)
438 {
439 sq(sk, 0, L"506", L"Authentication error", NULL);
440 flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username);
441 logout(data);
442 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
443 sq(sk, 0, L"506", L"Authentication error", NULL);
444 flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username);
445 logout(data);
446 } else {
447 sq(sk, 0, L"200", L"Welcome", NULL);
448 flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid);
449 }
450 break;
451 case AUTH_DENIED:
452 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
453 logout(data);
454 break;
455 case AUTH_PASS:
456 switch(data->auth->prompt)
457 {
458 case AUTH_PR_AUTO:
459 code = 300;
460 break;
461 case AUTH_PR_NOECHO:
462 code = 301;
463 break;
464 case AUTH_PR_ECHO:
465 code = 302;
466 break;
467 case AUTH_PR_INFO:
468 code = 303;
469 break;
470 case AUTH_PR_ERROR:
471 code = 304;
472 break;
473 }
474 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
475 break;
476 case AUTH_ERR:
477 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
478 logout(data);
479 break;
480 default:
481 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
482 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
483 logout(data);
484 break;
485 }
486}
487
488static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
489{
490 char *buf;
491 int code;
492
493 haveargs(2);
494 if((buf = icwcstombs(argv[1], NULL)) == NULL)
495 {
496 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
497 return;
498 }
499 if((data->auth == NULL) || (data->userinfo != NULL))
500 {
501 sq(sk, 0, L"507", L"Data not expected", NULL);
502 return;
503 }
504 switch(authenticate(data->auth, buf))
505 {
506 case AUTH_SUCCESS:
507 data->userinfo = finduser(data->username);
508 if(data->userinfo == NULL)
509 data->userinfo = finduser(L"default");
510 if(data->uid == -1)
511 {
512 sq(sk, 0, L"506", L"Authentication error", NULL);
513 flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username);
514 logout(data);
515 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
516 sq(sk, 0, L"506", L"Authentication error", NULL);
517 flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username);
518 logout(data);
519 } else {
520 sq(sk, 0, L"200", L"Welcome", NULL);
521 flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid);
522 }
523 break;
524 case AUTH_DENIED:
525 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
526 logout(data);
527 break;
528 case AUTH_PASS:
529 switch(data->auth->prompt)
530 {
531 case AUTH_PR_AUTO:
532 code = 300;
533 break;
534 case AUTH_PR_NOECHO:
535 code = 301;
536 break;
537 case AUTH_PR_ECHO:
538 code = 302;
539 break;
540 case AUTH_PR_INFO:
541 code = 303;
542 break;
543 case AUTH_PR_ERROR:
544 code = 304;
545 break;
546 }
547 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
548 break;
549 case AUTH_ERR:
550 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
551 logout(data);
552 break;
553 default:
554 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
555 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
556 logout(data);
557 break;
558 }
559 free(buf);
560}
561
562static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
563{
564 int i;
565 char *buf;
566 int err;
567 struct fnetnode *fn;
efc05613 568 struct wcspair *args;
d3372da9 569
570 haveargs(3);
571 havepriv(PERM_FNETCTL);
572 if((buf = icwcstombs(argv[2], NULL)) == NULL)
573 {
574 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
575 return;
576 }
efc05613 577 args = NULL;
578 for(i = 3; i < argc - 1; i += 2)
579 newwcspair(argv[i], argv[i + 1], &args);
580 fn = fnetinitconnect(argv[1], buf, args);
d3372da9 581 err = errno;
582 free(buf);
583 if(fn == NULL)
584 {
585 if(errno == EPROTONOSUPPORT)
586 sq(sk, 0, L"511", L"No such network name", NULL);
587 else
588 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
589 return;
590 }
d3372da9 591 linkfnetnode(fn);
592 fnetsetname(fn, argv[2]);
593 putfnetnode(fn);
594 sq(sk, 0, L"200", L"Connection under way", NULL);
595}
596
597static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
598{
599 struct fnetnode *fn;
600
601 if(fnetnodes == NULL)
602 {
603 sq(sk, 0, L"201", L"No connected nodes", NULL);
604 return;
605 }
606 for(fn = fnetnodes; fn != NULL; fn = fn->next)
607 {
608 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);
609 }
610}
611
612static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
613{
614 struct fnetnode *fn;
615 int i;
616
617 haveargs(2);
618 havepriv(PERM_FNETCTL);
619 /* Note - Programmatical user interfaces must only give one
620 * argument per command, the multiple argument form is only for
621 * convenience when manually controlling the daemon via
622 * eg. telnet. The reason is that the return codes aren't clear
623 * enough for the multiple argument form. */
624 for(i = 1; i < argc; i++)
625 {
626 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
627 {
628 sq(sk, 0, L"510", L"No such node", NULL);
629 return;
630 }
631 killfnetnode(fn);
632 unlinkfnetnode(fn);
633 }
634 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
635}
636
637static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
638{
639 struct fnetnode *fn;
640 struct fnetpeerdatum *datum;
641
642 haveargs(2);
643 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
644 {
645 sq(sk, 0, L"510", L"No such node", NULL);
646 return;
647 }
648 if(fn->peerdata == NULL)
649 {
650 sq(sk, 0, L"201", L"No data available", NULL);
651 } else {
652 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
653 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
654 }
655}
656
657static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
658{
659 int i;
660 struct fnetnode *fn;
661 struct fnetpeer *peer;
662 wchar_t buf[40];
663
664 haveargs(2);
665 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
666 {
667 sq(sk, 0, L"510", L"No such node", NULL);
668 return;
669 }
670 if(fn->peers == NULL)
671 {
672 sq(sk, 0, L"201", L"No peers avaiable", NULL);
673 } else {
674 for(peer = fn->peers; peer != NULL; peer = peer->next)
675 {
676 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
677 for(i = 0; i < peer->dinum; i++)
678 {
679 if(peer->peerdi[i].datum->datatype == FNPD_INT)
680 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
681 /* Note: A long long is not the size of an int, so
682 * sq() can't handle the conversion itself. */
683 if(peer->peerdi[i].datum->datatype == FNPD_LL)
684 {
685 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
686 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
687 }
688 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
689 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
690 }
691 sq(sk, 0, NULL);
692 }
693 }
694}
695
696static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
697{
698 int i;
699 struct fnet *net;
700 struct fnetnode *fn;
701 struct transfer *transfer;
702 struct fnetpeer *peer;
703
704 haveargs(4);
705 if((argc > 5) && ((argc % 2) == 0))
706 {
707 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
708 return;
709 }
710 havepriv(PERM_TRANS);
711 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
712 {
713 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
714 {
715 sq(sk, 0, L"510", L"No such node", NULL);
716 return;
717 }
718 net = fn->fnet;
719 } else {
720 fn = NULL;
721 if((net = findfnet(argv[1])) == NULL)
722 {
723 sq(sk, 0, L"511", L"No such network name", NULL);
724 return;
725 }
726 }
727 transfer = newtransfer();
728 authgethandle(transfer->auth = data->auth);
729 transfer->fnet = net;
730 transfer->peerid = swcsdup(argv[2]);
731 transfer->path = swcsdup(argv[3]);
732 transfer->dir = TRNSD_DOWN;
733 transfer->owner = data->uid;
734 if(fn != NULL)
735 {
736 transfer->fn = fn;
737 getfnetnode(fn);
738 linktransfer(transfer);
739 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
740 transfersetnick(transfer, peer->nick);
741 } else {
742 linktransfer(transfer);
743 }
744 if(argc > 4)
745 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
746 if(argc > 5)
747 {
748 for(i = 5; i < argc; i += 2)
5123bec0 749 {
750 if(!wcscmp(argv[i], L"hash"))
751 {
a04fc9ff 752 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 753 } else {
9ec790e8 754 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 755 }
756 }
d3372da9 757 }
758 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
759 transfersetactivity(transfer, L"create");
760}
761
762static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
763{
764 struct transfer *transfer, *pt;
765
766 havepriv(PERM_TRANS);
767 pt = NULL;
768 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
769 {
770 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
771 {
772 if(pt != NULL)
773 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
774 L"%%i", pt->state, pt->peerid,
775 (pt->peernick == NULL)?L"":(pt->peernick),
776 (pt->path == NULL)?L"":(pt->path),
777 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 778 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 779 NULL);
780 pt = transfer;
781 }
782 }
783 if(pt == NULL)
784 sq(sk, 0, L"201", L"No transfers", NULL);
785 else
786 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
787 L"%%i", pt->state, pt->peerid,
788 (pt->peernick == NULL)?L"":(pt->peernick),
789 (pt->path == NULL)?L"":(pt->path),
790 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 791 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 792 NULL);
793}
794
795static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
796{
797 struct transfer *transfer;
798
799 haveargs(2);
800 havepriv(PERM_TRANS);
801 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
802 {
803 sq(sk, 0, L"512", L"No such transfer", NULL);
804 return;
805 }
806 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
807 {
808 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
809 return;
810 }
811 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
812 {
813 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
814 return;
815 }
816 transfer->close = 1;
817 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
818}
819
820static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
821{
822 int i, val;
823
824 if((argc % 2) != 1)
825 {
826 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
827 return;
828 }
829 for(i = 1; i < argc; i += 2)
830 {
831 if(!wcscasecmp(argv[i + 1], L"on"))
832 val = 1;
833 else
834 val = 0;
835 if(!wcscasecmp(argv[i], L"all"))
836 {
837 if(val)
838 data->notify.w = ~0;
839 else
840 data->notify.w = 0;
841 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
842 data->notify.b.fnchat = val;
843 } else if(!wcscasecmp(argv[i], L"fn:act")) {
844 data->notify.b.fnact = val;
ba86d49a 845 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
846 data->notify.b.fnpeer = val;
d3372da9 847 } else if(!wcscasecmp(argv[i], L"trans:act")) {
848 data->notify.b.tract = val;
849 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
850 data->notify.b.trprog = val;
851 } else if(!wcscasecmp(argv[i], L"srch:act")) {
852 data->notify.b.srch = val;
853 }
854 }
855 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
856}
857
858static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
859{
860 struct fnetnode *fn;
861 int public;
862
863 haveargs(5);
864 havepriv(PERM_CHAT);
865 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
866 {
867 sq(sk, 0, L"510", L"No such node", NULL);
868 return;
869 }
870 public = wcstol(argv[2], NULL, 0);
871 if((public != 0) && (public != 1))
872 {
873 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
874 return;
875 }
876 if(fn->state != FNN_EST)
877 {
878 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
879 return;
880 }
881 if(fnetsendchat(fn, public, argv[3], argv[4]))
882 {
883 if(errno == ENOTSUP)
884 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
885 else if(errno == EPERM)
886 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
887 else if(errno == EILSEQ)
888 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
889 else
890 sq(sk, 0, L"505", L"Could not chat", NULL);
891 return;
892 }
893 sq(sk, 0, L"200", L"Chat string sent", NULL);
894}
895
896static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
897{
898 struct search *srch;
899 struct fnetnode *fn;
900 struct sexpr *sexpr;
901 int i;
902
903 haveargs(3);
904 havepriv(PERM_SRCH);
905 srch = newsearch(data->username, NULL);
906 for(i = 1; i < argc; i++)
907 {
908 if(!wcscmp(argv[i], L"all"))
909 {
910 for(fn = fnetnodes; fn != NULL; fn = fn->next)
911 {
912 if(fn->state == FNN_EST)
913 searchaddfn(srch, fn);
914 }
915 i++;
916 break;
917 } else if(!wcscmp(argv[i], L"prio")) {
918 if(++i == argc)
919 {
920 sq(sk, 0, L"501", L"No argument to prio", NULL);
921 freesearch(srch);
922 return;
923 }
924 srch->prio = wcstol(argv[i], NULL, 0);
925 } else if(iswdigit(*argv[i])) {
926 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
927 {
928 sq(sk, 0, L"510", L"No such node", NULL);
929 freesearch(srch);
930 return;
931 }
932 searchaddfn(srch, fn);
933 } else {
934 break;
935 }
936 }
937 if(srch->fnl == NULL)
938 {
939 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
940 freesearch(srch);
941 return;
942 }
943 if(i == argc)
944 {
945 sq(sk, 0, L"501", L"No search expression found on line", NULL);
946 freesearch(srch);
947 return;
948 }
949 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
950 {
951 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
952 freesearch(srch);
953 return;
954 }
955 optsexpr(sexpr);
956 getsexpr(srch->sexpr = sexpr);
957 queuesearch(srch);
958 CBREG(srch, search_eta, srcheta, NULL, NULL);
959 CBREG(srch, search_commit, srchcommit, NULL, NULL);
960 CBREG(srch, search_result, srchres, NULL, NULL);
961 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
962 putsexpr(sexpr);
963}
964
965static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
966{
967 struct search *srch, *pt;
968 time_t now;
969
970 havepriv(PERM_SRCH);
971 pt = NULL;
972 now = time(NULL);
973 for(srch = searches; srch != NULL; srch = srch->next)
974 {
975 if(!wcscmp(srch->owner, data->username))
976 {
977 if(pt != NULL)
978 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
979 pt = srch;
980 }
981 }
982 if(pt == NULL)
983 sq(sk, 0, L"201", L"No searches", NULL);
984 else
985 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
986}
987
988static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
989{
990 struct search *srch;
991 struct srchres *sr;
992 wchar_t buf[64];
993
994 haveargs(2);
995 havepriv(PERM_SRCH);
996 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
997 {
998 sq(sk, 0, L"514", L"No such search", NULL);
999 return;
1000 }
1001 if(srch->results == NULL)
1002 {
1003 sq(sk, 0, L"201", L"No results", NULL);
1004 } else {
1005 for(sr = srch->results; sr != NULL; sr = sr->next)
1006 {
1007 swprintf(buf, 64, L"%f", sr->time);
65643d01 1008 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 1009 }
1010 }
1011}
1012
1013static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1014{
1015 struct search *srch;
1016 int i;
1017
1018 haveargs(2);
1019 havepriv(PERM_SRCH);
1020 /* Note - Programmatical user interfaces must only give one
1021 * argument per command, the multiple argument form is only for
1022 * convenience when manually controlling the daemon via
1023 * eg. telnet. The reason is that the return codes aren't clear
1024 * enough for the multiple argument form. */
1025 for(i = 1; i < argc; i++)
1026 {
1027 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1028 {
1029 sq(sk, 0, L"514", L"No such search", NULL);
1030 return;
1031 }
1032 freesearch(srch);
1033 }
1034 sq(sk, 0, L"200", L"Search cancelled", NULL);
1035}
1036
1037static void fcmdread(struct socket *sk, struct uidata *data)
1038{
1039 char *buf;
1040 size_t bufsize;
1041
1042 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1043 return;
1044 bufcat(data->fcmdbuf, buf, bufsize);
1045 free(buf);
1046}
1047
1048static void fcmderr(struct socket *sk, int err, struct uidata *data)
1049{
1050 wchar_t *wbuf, *p, *p2;
1051
1052 if(err)
1053 {
1054 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1055 kill(-data->fcmdpid, SIGHUP);
1056 putsock(data->fcmdsk);
1057 data->fcmdsk = NULL;
1058 if(data->fcmdbuf != NULL)
1059 {
1060 free(data->fcmdbuf);
1061 data->fcmdbuf = NULL;
1062 }
1063 data->fcmdbufsize = data->fcmdbufdata = 0;
1064 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1065 return;
1066 }
1067 putsock(data->fcmdsk);
1068 data->fcmdsk = NULL;
1069 data->fcmdpid = 0;
1070 if(data->fcmdbuf == NULL)
1071 {
1072 wbuf = swcsdup(L"");
1073 } else {
1074 addtobuf(data->fcmdbuf, 0);
1075 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1076 free(data->fcmdbuf);
1077 }
1078 data->fcmdbuf = NULL;
1079 data->fcmdbufsize = data->fcmdbufdata = 0;
1080 if(wbuf == NULL)
1081 {
1082 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1083 return;
1084 }
1085 p = wbuf;
1086 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1087 {
1088 *(p2++) = L'\0';
1089 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1090 p = p2;
1091 }
1092 if(*p == L'\0')
1093 {
1094 if(p == wbuf)
1095 sq(data->sk, 0, L"201", L"No data returned", NULL);
1096 } else {
1097 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1098 }
1099 free(wbuf);
1100}
1101
1102static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1103{
1104 int i;
1105 pid_t pid;
1106 int pipe;
1107 char **cargv, **pp;
1108 char *filtercmd, *argbuf;
1109 size_t cargvsize, cargvdata;
1110 struct passwd *pwent;
1111
1112 haveargs(2);
1113 havepriv(PERM_TRANS);
1114 if((pwent = getpwuid(data->uid)) == NULL)
1115 {
1116 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1117 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1118 return;
1119 }
1120 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL)
1121 {
1122 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1123 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1124 return;
1125 }
1126 cargv = NULL;
1127 cargvsize = cargvdata = 0;
1128 addtobuf(cargv, filtercmd);
1129 for(i = 1; i < argc; i++)
1130 {
1131 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1132 {
1133 for(i = 0; i < cargvdata; i++)
1134 free(cargv[i]);
1135 free(cargv);
1136 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1137 return;
1138 }
1139 addtobuf(cargv, argbuf);
1140 }
1141 addtobuf(cargv, NULL);
1142 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)
1143 {
1144 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1145 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1146 return;
1147 }
1148 if(pid == 0)
1149 {
1150 execv(filtercmd, cargv);
1151 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1152 exit(127);
1153 }
1154 for(pp = cargv; *pp; pp++)
1155 free(*pp);
1156 free(cargv);
1157 data->fcmdsk = wrapsock(pipe);
1158 data->fcmdpid = pid;
1159 if(data->fcmdbuf != NULL)
1160 {
1161 free(data->fcmdbuf);
1162 data->fcmdbuf = NULL;
1163 }
1164 data->fcmdbufsize = data->fcmdbufdata = 0;
1165 data->fcmdsk->data = data;
1166 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1167 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1168}
1169
1170static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1171{
1172 struct transfer *transfer;
9ec790e8 1173 struct wcspair *ta;
d3372da9 1174
1175 haveargs(2);
1176 havepriv(PERM_TRANS);
1177 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1178 {
1179 sq(sk, 0, L"512", L"No such transfer", NULL);
1180 return;
1181 }
1182 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1183 {
1184 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1185 return;
1186 }
1187 if(transfer->args == NULL)
1188 {
1189 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1190 } else {
1191 for(ta = transfer->args; ta != NULL; ta = ta->next)
9ec790e8 1192 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
d3372da9 1193 }
1194}
1195
1196static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1197{
1198 struct sharecache *node;
1199 int total, hashed;
1200
1201 total = hashed = 0;
1202 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1203 {
1204 if(node->f.b.type == FILE_REG)
1205 {
1206 total++;
1207 if(node->f.b.hastth)
1208 hashed++;
1209 }
1210 }
1211 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1212}
1213
796283c6 1214static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1215{
1216 wchar_t *buf1, *buf2;
1217
1218 havepriv(PERM_TRANS);
1219 buf1 = swprintf2(L"%lli", bytesdownload);
1220 buf2 = swprintf2(L"%lli", bytesupload);
1221 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1222 free(buf1);
1223 free(buf2);
1224}
1225
d3372da9 1226#undef haveargs
1227#undef havepriv
1228
1229/*
1230 * Reserved command numbers for nameless commands:
1231 * 0: Issued when a client has connected
1232 * 1: Issued when a named command couldn't be found
1233 */
1234
1235static struct command commands[] =
1236{
1237 {NULL, cmd_connect},
1238 {NULL, cmd_notfound},
1239 {L"shutdown", cmd_shutdown},
1240 {L"quit", cmd_quit},
1241 {L"lsauth", cmd_lsauth},
1242 {L"login", cmd_login},
1243 {L"pass", cmd_pass},
1244 {L"cnct", cmd_fnetconnect},
1245 {L"lsnodes", cmd_lsnodes},
1246 {L"dcnct", cmd_disconnect},
1247 {L"lspa", cmd_lspa},
1248 {L"lspeers", cmd_lspeers},
1249 {L"download", cmd_download},
1250 {L"lstrans", cmd_lstrans},
1251 {L"cancel", cmd_cancel},
1252 {L"notify", cmd_notify},
1253 {L"sendchat", cmd_sendchat},
1254 {L"search", cmd_search},
1255 {L"lssrch", cmd_lssrch},
1256 {L"lssr", cmd_lssr},
1257 {L"cansrch", cmd_cansrch},
1258 {L"filtercmd", cmd_filtercmd},
1259 {L"lstrarg", cmd_lstrarg},
1260 {L"hashstatus", cmd_hashstatus},
796283c6 1261 {L"transstatus", cmd_transstatus},
d3372da9 1262 {NULL, NULL}
1263};
1264
1265static void freequeuecmd(struct qcommand *qcmd)
1266{
1267 int i;
1268
1269 if(qcmd->argv != NULL)
1270 {
1271 for(i = 0; i < qcmd->argc; i++)
1272 free(qcmd->argv[i]);
1273 free(qcmd->argv);
1274 }
1275 free(qcmd);
1276}
1277
1278static struct qcommand *unlinkqcmd(struct uidata *data)
1279{
1280 struct qcommand *qcmd;
1281
1282 qcmd = data->queue;
1283 if(qcmd != NULL)
1284 {
1285 data->queue = qcmd->next;
1286 if(qcmd == data->queuelast)
1287 data->queuelast = qcmd->next;
1288 }
1289 return(qcmd);
1290}
1291
ba86d49a 1292static void notifappendv(struct notif *notif, va_list args)
d3372da9 1293{
d3372da9 1294 int dt, ca;
1295
d3372da9 1296 while((dt = va_arg(args, int)) != NOTIF_END)
1297 {
1298 ca = notif->argc;
1299 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1300 notif->argv[ca].dt = dt;
1301 switch(dt)
1302 {
1303 case NOTIF_INT:
1304 case NOTIF_ID:
1305 notif->argv[ca].d.n = va_arg(args, int);
1306 break;
1307 case NOTIF_STR:
1308 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1309 break;
1310 case NOTIF_FLOAT:
1311 notif->argv[ca].d.d = va_arg(args, double);
1312 break;
1313 }
1314 }
ba86d49a 1315}
1316
1317static void notifappend(struct notif *notif, ...)
1318{
1319 va_list args;
1320
1321 va_start(args, notif);
1322 notifappendv(notif, args);
1323 va_end(args);
1324}
1325
1326static struct notif *newnotif(struct uidata *data, int code, ...)
1327{
1328 struct notif *notif;
1329 va_list args;
1330
1331 notif = smalloc(sizeof(*notif));
1332 memset(notif, 0, sizeof(*notif));
1333 notif->rlimit = 0.0;
1334 notif->ui = data;
1335 notif->code = code;
1336 va_start(args, code);
1337 notifappendv(notif, args);
d3372da9 1338 va_end(args);
1339 notif->next = NULL;
1340 notif->prev = data->lnotif;
1341 if(data->lnotif != NULL)
1342 data->lnotif->next = notif;
1343 else
1344 data->fnotif = notif;
1345 data->lnotif = notif;
1346 return(notif);
1347}
1348
1349static void freenotif(struct notif *notif)
1350{
1351 int i;
1352
1353 if(notif->next != NULL)
1354 notif->next->prev = notif->prev;
1355 if(notif->prev != NULL)
1356 notif->prev->next = notif->next;
1357 if(notif == notif->ui->fnotif)
1358 notif->ui->fnotif = notif->next;
1359 if(notif == notif->ui->lnotif)
1360 notif->ui->lnotif = notif->prev;
1361 if(notif->exptimer != NULL)
1362 canceltimer(notif->exptimer);
1363 for(i = 0; i < notif->argc; i++)
1364 {
1365 if(notif->argv[i].dt == NOTIF_STR)
1366 free(notif->argv[i].d.s);
1367 }
1368 if(notif->argv != NULL)
1369 free(notif->argv);
1370 free(notif);
1371}
1372
1373static void notifexpire(int cancelled, struct notif *notif)
1374{
1375 notif->exptimer = NULL;
1376 if(!cancelled)
1377 freenotif(notif);
1378}
1379
1380static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1381{
1382 int i, cont;
1383
1384 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1385 {
1386 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1387 {
1388 cont = 0;
1389 if(id >= 0)
1390 {
1391 for(i = 0; i < notif->argc; i++)
1392 {
1393 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1394 {
1395 cont = 1;
1396 break;
1397 }
1398 }
1399 }
1400 if(cont)
1401 continue;
1402 break;
1403 }
1404 }
1405 return(notif);
1406}
1407
1408static void freeuidata(struct uidata *data)
1409{
1410 int i;
1411 struct qcommand *qcmd;
1412
1413 if(data->next != NULL)
1414 data->next->prev = data->prev;
1415 if(data->prev != NULL)
1416 data->prev->next = data->next;
1417 if(data == actives)
1418 actives = data->next;
1419 data->sk->readcb = NULL;
1420 data->sk->errcb = NULL;
1421 putsock(data->sk);
1422 while((qcmd = unlinkqcmd(data)) != NULL)
1423 freequeuecmd(qcmd);
1424 iconv_close(data->ichandle);
1425 if(data->cw != NULL)
1426 free(data->cw);
1427 if(data->cb != NULL)
1428 free(data->cb);
1429 if(data->argv != NULL)
1430 {
1431 for(i = 0; i < data->argc; i++)
1432 free(data->argv[i]);
1433 free(data->argv);
1434 }
1435 if(data->auth != NULL)
1436 authputhandle(data->auth);
1437 if(data->username != NULL)
1438 {
1439 if(data->userinfo != NULL)
1440 flog(LOG_INFO, "%ls logged out", data->username);
1441 free(data->username);
1442 }
1443 free(data->inbuf);
1444 while(data->fnotif != NULL)
1445 freenotif(data->fnotif);
1446 if(data->fcmdbuf != NULL)
1447 free(data->fcmdbuf);
1448 if(data->fcmdpid != 0)
1449 kill(-data->fcmdpid, SIGHUP);
1450 if(data->fcmdsk != NULL)
1451 putsock(data->fcmdsk);
1452 free(data);
1453}
1454
1455static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1456{
1457 struct qcommand *new;
1458
1459 new = smalloc(sizeof(*new));
1460 new->cmd = cmd;
1461 new->argc = argc;
1462 new->argv = argv;
1463 new->next = NULL;
1464 if(data->queuelast != NULL)
1465 data->queuelast->next = new;
1466 data->queuelast = new;
1467 if(data->queue == NULL)
1468 data->queue = new;
1469}
1470
1471static struct uidata *newuidata(struct socket *sk)
1472{
1473 struct uidata *data;
1474
1475 data = smalloc(sizeof(*data));
1476 memset(data, 0, sizeof(*data));
1477 data->sk = sk;
1478 getsock(sk);
1479 data->inbuf = smalloc(1024);
1480 data->uid = -1;
1481 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1482 {
1483 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1484 return(NULL);
1485 }
1486 data->next = actives;
1487 data->prev = NULL;
1488 if(actives != NULL)
1489 actives->prev = data;
1490 actives = data;
1491 return(data);
1492}
1493
1494static void uiread(struct socket *sk, struct uidata *data)
1495{
1496 int ret, done;
1497 char *newbuf;
1498 char *p1, *p2;
1499 wchar_t *porig;
1500 size_t datalen, len2;
1501 struct command *cur;
1502
1503 if(data->indata > 1024)
1504 data->indata = 0;
1505 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1506 return;
1507 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1508 memcpy(data->inbuf + data->indata, newbuf, datalen);
1509 free(newbuf);
1510 data->indata += datalen;
1511 if(data->cb == NULL)
1512 {
1513 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1514 data->cbdata = 0;
1515 data->pp = data->cb;
1516 }
1517 done = 0;
1518 while(!done)
1519 {
1520 if(data->cbsize == data->cbdata)
1521 {
1522 len2 = data->pp - data->cb;
1523 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1524 data->pp = data->cb + len2;
1525 }
1526 p1 = data->inbuf;
1527 p2 = (char *)(porig = (data->cb + data->cbdata));
1528 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1529 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1530 memmove(data->inbuf, p1, data->indata);
1531 /* Just a sanity check */
1532 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1533 {
1534 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1535 abort();
1536 }
1537 data->cbdata += (((wchar_t *)p2) - porig);
1538 if(ret < 0)
1539 {
1540 switch(errno)
1541 {
1542 case EILSEQ:
1543 /* XXX: Should this really just ignore it? */
1544 data->indata = 0;
1545 done = 1;
1546 break;
1547 case EINVAL:
1548 done = 1;
1549 break;
1550 case E2BIG:
1551 /* Just a sanity check */
1552 if(data->cbsize != data->cbdata)
1553 {
1554 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1555 abort();
1556 }
1557 break;
1558 default:
1559 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1560 break;
1561 }
1562 } else {
1563 done = 1;
1564 }
1565 }
1566 done = 0;
1567 while(!done && (data->pp - data->cb < data->cbdata))
1568 {
1569 switch(data->ps)
1570 {
1571 case 0:
1572 if(iswspace(*data->pp))
1573 {
1574 if(*data->pp == L'\r')
1575 {
1576 if(data->pp == data->cb + data->cbdata - 1)
1577 {
1578 done = 1;
1579 break;
1580 }
1581 if(*(++data->pp) == L'\n')
1582 {
1583 if((data->argv != NULL) && (data->argv[0] != NULL))
1584 {
1585 for(cur = commands; cur->handler != NULL; cur++)
1586 {
1587 if(cur->name == NULL)
1588 continue;
1589 if(!wcscasecmp(cur->name, data->argv[0]))
1590 {
1591 queuecmd(data, cur, data->argc, data->argv);
1592 break;
1593 }
1594 }
1595 if(cur->handler == NULL)
1596 queuecmd(data, &commands[1], data->argc, data->argv);
1597 } else {
1598 queuecmd(data, &commands[1], data->argc, data->argv);
1599 }
1600 data->argv = NULL;
1601 data->args = 0;
1602 data->argc = 0;
1603 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1604 data->pp = data->cb;
1605 } else {
1606 data->pp++;
1607 }
1608 } else {
1609 data->pp++;
1610 }
1611 } else {
1612 data->ps = 1;
1613 data->cwdata = 0;
1614 }
1615 break;
1616 case 1:
1617 if(iswspace(*data->pp))
1618 {
1619 addtobuf(data->cw, L'\0');
1620 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1621 data->argv[data->argc++] = data->cw;
1622 data->cw = NULL;
1623 data->cwsize = 0;
1624 data->cwdata = 0;
1625 data->ps = 0;
1626 } else if(*data->pp == L'\"') {
1627 data->ps = 2;
1628 data->pp++;
1629 } else if(*data->pp == L'\\') {
1630 if(data->pp == data->cb + data->cbdata - 1)
1631 {
1632 done = 1;
1633 break;
1634 }
1635 addtobuf(data->cw, *(++data->pp));
1636 data->pp++;
1637 } else {
1638 addtobuf(data->cw, *(data->pp++));
1639 }
1640 break;
1641 case 2:
1642 if(*data->pp == L'\"')
1643 {
1644 data->ps = 1;
1645 } else if(*data->pp == L'\\') {
1646 if(data->pp == data->cb + data->cbdata - 1)
1647 {
1648 done = 1;
1649 break;
1650 }
1651 addtobuf(data->cw, *(++(data->pp)));
1652 } else {
1653 addtobuf(data->cw, *data->pp);
1654 }
1655 data->pp++;
1656 break;
1657 }
1658 }
1659}
1660
1661static void uierror(struct socket *sk, int err, struct uidata *data)
1662{
1663 if(err)
1664 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1665 freeuidata(data);
1666}
1667
1668static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1669{
1670 struct uidata *uidata;
1671
1672 newsk->data = uidata = newuidata(newsk);
1673 socksettos(newsk, confgetint("ui", "uitos"));
1674 if(uidata == NULL)
1675 return;
1676 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1677 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1678 queuecmd(uidata, &commands[0], 0, NULL);
1679}
1680
1681static int srcheta(struct search *srch, void *uudata)
1682{
1683 struct uidata *data;
1684
1685 for(data = actives; data != NULL; data = data->next)
1686 {
1687 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1688 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1689 }
1690 return(0);
1691}
1692
1693static int srchcommit(struct search *srch, void *uudata)
1694{
1695 struct uidata *data;
1696
1697 for(data = actives; data != NULL; data = data->next)
1698 {
1699 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1700 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1701 }
1702 return(0);
1703}
1704
1705static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1706{
1707 struct uidata *data;
1708
1709 for(data = actives; data != NULL; data = data->next)
1710 {
1711 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1712 {
ebbc13f3 1713 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 1714 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 1715 }
d3372da9 1716 }
1717 return(0);
1718}
1719
1720static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1721{
1722 struct uidata *data;
1723
1724 for(data = actives; data != NULL; data = data->next)
1725 {
1726 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1727 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1728 }
1729 return(0);
1730}
1731
1732static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1733{
1734 struct uidata *data;
1735 struct notif *notif;
1736
1737 if(!wcscmp(attrib, L"state"))
1738 {
1739 for(data = actives; data != NULL; data = data->next)
1740 {
1741 if(data->notify.b.fnact)
1742 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1743 }
1744 } else if(!wcscmp(attrib, L"name")) {
1745 for(data = actives; data != NULL; data = data->next)
1746 {
1747 if(data->notify.b.fnact)
1748 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1749 }
1750 } else if(!wcscmp(attrib, L"numpeers")) {
1751 for(data = actives; data != NULL; data = data->next)
1752 {
1753 if(data->notify.b.fnact)
1754 {
1755 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1756 notif->argv[1].d.n = fn->numpeers;
1757 else
ba86d49a 1758 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1759 }
1760 }
1761 }
1762 return(0);
1763}
1764
1765static int fnunlink(struct fnetnode *fn, void *uudata)
1766{
1767 struct uidata *data;
1768
1769 for(data = actives; data != NULL; data = data->next)
1770 {
1771 if(data->notify.b.fnact)
1772 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1773 }
1774 return(0);
1775}
1776
ba86d49a 1777static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1778{
1779 struct uidata *data;
1780
1781 for(data = actives; data != NULL; data = data->next)
1782 {
1783 if(data->notify.b.fnpeer)
1784 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1785 }
1786 return(0);
1787}
1788
1789static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1790{
1791 struct uidata *data;
1792
1793 for(data = actives; data != NULL; data = data->next)
1794 {
1795 if(data->notify.b.fnpeer)
1796 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1797 }
1798 return(0);
1799}
1800
1801static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1802{
1803 struct uidata *data;
1804 struct notif *notif;
1805 wchar_t buf[32];
1806
1807 for(data = actives; data != NULL; data = data->next)
1808 {
1809 if(data->notify.b.fnpeer)
1810 {
1811 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1812 {
1813 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1814 break;
1815 }
1816 if(notif == NULL)
1817 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1818 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1819 switch(di->datum->datatype)
1820 {
1821 case FNPD_INT:
1822 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1823 break;
1824 case FNPD_STR:
1825 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1826 break;
1827 case FNPD_LL:
1828 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1829 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1830 break;
1831 }
1832 }
1833 }
1834 return(0);
1835}
1836
d3372da9 1837static int newfnetnode(struct fnetnode *fn, void *uudata)
1838{
1839 struct uidata *data;
1840
1841 for(data = actives; data != NULL; data = data->next)
1842 {
1843 if(data->notify.b.fnact)
1844 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1845 }
1846 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1847 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1848 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1849 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1850 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1851 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1852 return(0);
1853}
1854
1855static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1856{
1857 struct uidata *data;
1858
1859 if(!wcscmp(attrib, L"state"))
1860 {
1861 for(data = actives; data != NULL; data = data->next)
1862 {
1863 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1864 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1865 }
1866 } else if(!wcscmp(attrib, L"nick")) {
1867 for(data = actives; data != NULL; data = data->next)
1868 {
1869 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1870 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1871 }
1872 } else if(!wcscmp(attrib, L"size")) {
1873 for(data = actives; data != NULL; data = data->next)
1874 {
1875 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1876 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1877 }
1878 } else if(!wcscmp(attrib, L"error")) {
1879 for(data = actives; data != NULL; data = data->next)
1880 {
1881 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1882 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1883 }
1884 } else if(!wcscmp(attrib, L"path")) {
1885 for(data = actives; data != NULL; data = data->next)
1886 {
1887 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1888 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1889 }
a04fc9ff 1890 } else if(!wcscmp(attrib, L"hash")) {
1891 for(data = actives; data != NULL; data = data->next)
1892 {
1893 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1894 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 1895 }
d3372da9 1896 }
1897 return(0);
1898}
1899
1900static int transferprog(struct transfer *transfer, void *uudata)
1901{
1902 struct uidata *data;
1903 struct notif *notif;
1904
1905 for(data = actives; data != NULL; data = data->next)
1906 {
1907 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1908 {
1909 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1910 notif->argv[1].d.n = transfer->curpos;
1911 else
1912 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1913 }
1914 }
1915 return(0);
1916}
1917
1918static int transferdestroyed(struct transfer *transfer, void *uudata)
1919{
1920 struct uidata *data;
1921
1922 for(data = actives; data != NULL; data = data->next)
1923 {
1924 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1925 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END);
1926 }
1927 return(0);
1928}
1929
1930static int newtransfernotify(struct transfer *transfer, void *uudata)
1931{
1932 struct uidata *data;
1933
1934 for(data = actives; data != NULL; data = data->next)
1935 {
1936 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1937 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);
1938 }
1939 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1940 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1941 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1942 return(0);
1943}
1944
1945static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1946{
1947 struct uiuser *new;
1948
1949 new = smalloc(sizeof(*new));
1950 new->used = 0;
1951 new->name = swcsdup(name);
1952 new->perms = perms;
1953 new->delete = 0;
1954 new->next = users;
1955 new->prev = NULL;
1956 if(users != NULL)
1957 users->prev = new;
1958 users = new;
1959 return(new);
1960}
1961
1962static void freeuser(struct uiuser *user)
1963{
1964 if(user->next != NULL)
1965 user->next->prev = user->prev;
1966 if(user->prev != NULL)
1967 user->prev->next = user->next;
1968 if(user == users)
1969 users = user->next;
1970 free(user->name);
1971 free(user);
1972}
1973
1974static int conf_user(int argc, wchar_t **argv)
1975{
1976 int i, perms, permmod;
1977 struct uiuser *user;
1978 wchar_t *p;
1979
1980 if(argc < 3)
1981 {
1982 flog(LOG_WARNING, "not enough arguments given for user command");
1983 return(1);
1984 }
1985 perms = 0;
1986 for(i = 2; i < argc; i++)
1987 {
1988 if(!iswalpha(argv[i][0]))
1989 p = argv[i] + 1;
1990 else
1991 p = argv[i];
1992 if(!wcscmp(p, L"disallow"))
1993 permmod = PERM_DISALLOW;
1994 if(!wcscmp(p, L"admin"))
1995 permmod = PERM_ADMIN;
1996 if(!wcscmp(p, L"fnetctl"))
1997 permmod = PERM_FNETCTL;
1998 if(!wcscmp(p, L"trans"))
1999 permmod = PERM_TRANS;
2000 if(!wcscmp(p, L"transcu"))
2001 permmod = PERM_TRANSCU;
2002 if(!wcscmp(p, L"chat"))
2003 permmod = PERM_CHAT;
2004 if(!wcscmp(p, L"srch"))
2005 permmod = PERM_SRCH;
2006 if(!wcscmp(p, L"all"))
2007 permmod = ~0;
2008 if(argv[i][0] == L'-')
2009 perms &= ~permmod;
2010 else
2011 perms |= permmod;
2012 }
2013 if((user = finduser(argv[1])) == NULL)
2014 {
2015 newuser(argv[1], perms);
2016 } else {
2017 user->delete = 0;
2018 user->perms = perms;
2019 }
2020 return(0);
2021}
2022
2023static void preinit(int hup)
2024{
2025 struct uiuser *user;
2026
2027 if(!hup)
2028 {
2029 newuser(L"default", 0);
2030 } else {
2031 for(user = users; user != NULL; user = user->next)
2032 {
2033 if(!wcscmp(user->name, L"default"))
2034 user->delete = 1;
2035 }
2036 }
2037}
2038
2039#ifdef HAVE_IPV6
2040static struct sockaddr *getnameforport(int port, socklen_t *len)
2041{
2042 static struct sockaddr_in6 addr;
2043
2044 memset(&addr, 0, sizeof(addr));
2045 addr.sin6_family = AF_INET6;
2046 addr.sin6_port = htons(port);
2047 addr.sin6_addr = in6addr_any;
2048 if(len != NULL)
2049 *len = sizeof(addr);
2050 return((struct sockaddr *)&addr);
2051}
2052#else
2053static struct sockaddr *getnameforport(int port, socklen_t *len)
2054{
2055 static struct sockaddr_in addr;
2056
2057 memset(&addr, 0, sizeof(addr));
2058 addr.sin_family = AF_INET;
2059 addr.sin_port = htons(port);
2060 if(len != NULL)
2061 *len = sizeof(addr);
2062 return((struct sockaddr *)&addr);
2063}
2064#endif
2065
2066static int portupdate(struct configvar *var, void *uudata)
2067{
2068 struct sockaddr *addr;
2069 socklen_t addrlen;
2070 struct socket *newsock;
2071
2072 addr = getnameforport(var->val.num, &addrlen);
2073 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2074 {
2075 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2076 return(0);
2077 }
2078 if(uisocket != NULL)
2079 putsock(uisocket);
2080 uisocket = newsock;
2081 return(0);
2082}
2083
2084static int init(int hup)
2085{
2086 struct sockaddr *addr;
2087 socklen_t addrlen;
2088 struct uiuser *user, *next;
2089
2090 if(hup)
2091 {
2092 for(user = users; user != NULL; user = next)
2093 {
2094 next = user->next;
2095 if(user->delete)
2096 freeuser(user);
2097 }
2098 }
2099 if(!hup)
2100 {
2101 if(uisocket != NULL)
2102 putsock(uisocket);
2103 addr = getnameforport(confgetint("ui", "port"), &addrlen);
2104 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2105 {
2106 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2107 return(1);
2108 }
2109 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2110 GCBREG(newfncb, newfnetnode, NULL);
2111 GCBREG(newtransfercb, newtransfernotify, NULL);
2112 }
2113 return(0);
2114}
2115
2116static int run(void)
2117{
2118 int i, id;
2119 struct uidata *data, *next;
2120 struct qcommand *qcmd;
2121 struct notif *notif, *nnotif;
2122 wchar_t buf[64];
2123
2124 for(data = actives; data != NULL; data = next)
2125 {
2126 next = data->next;
2127 if(data->close)
2128 freeuidata(data);
2129 }
2130 for(data = actives; data != NULL; data = data->next)
2131 {
2132 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2133 {
2134 nnotif = notif->next;
2135 if(notif->state == NOTIF_WAIT)
2136 continue;
2137 id = -1;
2138 for(i = 0; i < notif->argc; i++)
2139 {
2140 if(notif->argv[i].dt == NOTIF_ID)
2141 {
2142 id = notif->argv[i].d.n;
2143 break;
2144 }
2145 }
2146 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2147 continue;
2148 sq(data->sk, 2, L"%%i", notif->code, NULL);
2149 for(i = 0; i < notif->argc; i++)
2150 {
2151 switch(notif->argv[i].dt)
2152 {
2153 case NOTIF_INT:
2154 case NOTIF_ID:
2155 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2156 break;
2157 case NOTIF_STR:
2158 if(notif->argv[i].d.s[0] == L'%')
2159 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2160 else
2161 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2162 break;
2163 case NOTIF_FLOAT:
2164 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2165 sq(data->sk, 2, buf, NULL);
2166 break;
2167 }
2168 }
2169 sq(data->sk, 0, NULL);
2170 if(notif->rlimit != 0)
2171 {
2172 notif->state = NOTIF_WAIT;
2173 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2174 } else {
2175 freenotif(notif);
2176 }
2177 }
2178 if((qcmd = unlinkqcmd(data)) != NULL)
2179 {
2180 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2181 freequeuecmd(qcmd);
2182 return(1);
2183 }
2184 }
2185 return(0);
2186}
2187
2188static void terminate(void)
2189{
2190 while(users != NULL)
2191 freeuser(users);
2192}
2193
2194static struct configvar myvars[] =
2195{
2196 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2197 {CONF_VAR_INT, "port", {.num = 1500}},
2198 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2199 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2200 {CONF_VAR_END}
2201};
2202
2203static struct configcmd mycmds[] =
2204{
2205 {"user", conf_user},
2206 {NULL}
2207};
2208
2209static struct module me =
2210{
2211 .name = "ui",
2212 .conf =
2213 {
2214 .vars = myvars,
2215 .cmds = mycmds
2216 },
2217 .preinit = preinit,
2218 .init = init,
2219 .run = run,
2220 .terminate = terminate
2221};
2222
2223MODULE(me)