Add args to fnetnodes.
[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>
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
67struct uidata;
68
69struct command
70{
71 wchar_t *name;
72 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
73};
74
75struct qcommand
76{
77 struct qcommand *next;
78 struct command *cmd;
79 int argc;
80 wchar_t **argv;
81};
82
83struct uiuser
84{
85 struct uiuser *next, *prev;
86 int used;
87 wchar_t *name;
88 unsigned long perms;
89 int delete;
90};
91
92struct 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
113struct 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
158static int srcheta(struct search *srch, void *uudata);
159static int srchcommit(struct search *srch, void *uudata);
160static int srchres(struct search *srch, struct srchres *sr, void *uudata);
161
162struct uiuser *users = NULL;
163struct uidata *actives = NULL;
164struct socket *uisocket = NULL;
165
166static 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
204static 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
278struct 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
290static 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
301static 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
315static 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
344static 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
352static 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
362static 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
368static 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
388static 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
481static 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
555static 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
591static 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
606static 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
631static 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
651static 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
690static 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 {
9ec790e8 748 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 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
756static 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
789static 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
814static 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
852static 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
890static 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
959static 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
982static 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
1007static 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
1031static 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
1042static 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
1096static 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
1164static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1165{
1166 struct transfer *transfer;
9ec790e8 1167 struct wcspair *ta;
d3372da9 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)
9ec790e8 1186 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
d3372da9 1187 }
1188}
1189
1190static 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
1217static 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
1246static 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
1259static 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 1273static 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
1298static 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
1307static 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
1330static 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
1354static void notifexpire(int cancelled, struct notif *notif)
1355{
1356 notif->exptimer = NULL;
1357 if(!cancelled)
1358 freenotif(notif);
1359}
1360
1361static 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
1389static 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
1436static 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
1452static 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
1475static 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
1642static 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
1649static 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
1662static 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
1674static 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
1686static 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
1701static 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
1713static 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
1746static 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 1758static 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
1770static 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
1782static 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 1818static 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
1836static 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
1881static 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
1899static 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
1911static 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
1926static 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
1943static 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
1955static 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
2004static 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
2021static 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
2034static 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
2047static 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
2065static 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
2097static 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
2169static void terminate(void)
2170{
2171 while(users != NULL)
2172 freeuser(users);
2173}
2174
2175static 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
2184static struct configcmd mycmds[] =
2185{
2186 {"user", conf_user},
2187 {NULL}
2188};
2189
2190static 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
2204MODULE(me)