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[doldaconnect.git] / daemon / ui.c
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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;
efc05613 561 struct wcspair *args;
d3372da9 562
563 haveargs(3);
564 havepriv(PERM_FNETCTL);
565 if((buf = icwcstombs(argv[2], NULL)) == NULL)
566 {
567 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
568 return;
569 }
efc05613 570 args = NULL;
571 for(i = 3; i < argc - 1; i += 2)
572 newwcspair(argv[i], argv[i + 1], &args);
573 fn = fnetinitconnect(argv[1], buf, args);
d3372da9 574 err = errno;
575 free(buf);
576 if(fn == NULL)
577 {
578 if(errno == EPROTONOSUPPORT)
579 sq(sk, 0, L"511", L"No such network name", NULL);
580 else
581 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
582 return;
583 }
d3372da9 584 linkfnetnode(fn);
585 fnetsetname(fn, argv[2]);
586 putfnetnode(fn);
587 sq(sk, 0, L"200", L"Connection under way", NULL);
588}
589
590static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
591{
592 struct fnetnode *fn;
593
594 if(fnetnodes == NULL)
595 {
596 sq(sk, 0, L"201", L"No connected nodes", NULL);
597 return;
598 }
599 for(fn = fnetnodes; fn != NULL; fn = fn->next)
600 {
601 sq(sk, (fn->next != NULL)?1:0, L"200", L"%%i", fn->id, fn->fnet->name, (fn->name == NULL)?L"":fn->name, L"%%i", fn->numpeers, L"%%i", fn->state, NULL);
602 }
603}
604
605static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
606{
607 struct fnetnode *fn;
608 int i;
609
610 haveargs(2);
611 havepriv(PERM_FNETCTL);
612 /* Note - Programmatical user interfaces must only give one
613 * argument per command, the multiple argument form is only for
614 * convenience when manually controlling the daemon via
615 * eg. telnet. The reason is that the return codes aren't clear
616 * enough for the multiple argument form. */
617 for(i = 1; i < argc; i++)
618 {
619 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
620 {
621 sq(sk, 0, L"510", L"No such node", NULL);
622 return;
623 }
624 killfnetnode(fn);
625 unlinkfnetnode(fn);
626 }
627 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
628}
629
630static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
631{
632 struct fnetnode *fn;
633 struct fnetpeerdatum *datum;
634
635 haveargs(2);
636 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
637 {
638 sq(sk, 0, L"510", L"No such node", NULL);
639 return;
640 }
641 if(fn->peerdata == NULL)
642 {
643 sq(sk, 0, L"201", L"No data available", NULL);
644 } else {
645 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
646 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
647 }
648}
649
650static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
651{
652 int i;
653 struct fnetnode *fn;
654 struct fnetpeer *peer;
655 wchar_t buf[40];
656
657 haveargs(2);
658 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
659 {
660 sq(sk, 0, L"510", L"No such node", NULL);
661 return;
662 }
663 if(fn->peers == NULL)
664 {
665 sq(sk, 0, L"201", L"No peers avaiable", NULL);
666 } else {
667 for(peer = fn->peers; peer != NULL; peer = peer->next)
668 {
669 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
670 for(i = 0; i < peer->dinum; i++)
671 {
672 if(peer->peerdi[i].datum->datatype == FNPD_INT)
673 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
674 /* Note: A long long is not the size of an int, so
675 * sq() can't handle the conversion itself. */
676 if(peer->peerdi[i].datum->datatype == FNPD_LL)
677 {
678 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
679 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
680 }
681 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
682 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
683 }
684 sq(sk, 0, NULL);
685 }
686 }
687}
688
689static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
690{
691 int i;
692 struct fnet *net;
693 struct fnetnode *fn;
694 struct transfer *transfer;
695 struct fnetpeer *peer;
696
697 haveargs(4);
698 if((argc > 5) && ((argc % 2) == 0))
699 {
700 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
701 return;
702 }
703 havepriv(PERM_TRANS);
704 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
705 {
706 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
707 {
708 sq(sk, 0, L"510", L"No such node", NULL);
709 return;
710 }
711 net = fn->fnet;
712 } else {
713 fn = NULL;
714 if((net = findfnet(argv[1])) == NULL)
715 {
716 sq(sk, 0, L"511", L"No such network name", NULL);
717 return;
718 }
719 }
720 transfer = newtransfer();
721 authgethandle(transfer->auth = data->auth);
722 transfer->fnet = net;
723 transfer->peerid = swcsdup(argv[2]);
724 transfer->path = swcsdup(argv[3]);
725 transfer->dir = TRNSD_DOWN;
726 transfer->owner = data->uid;
727 if(fn != NULL)
728 {
729 transfer->fn = fn;
730 getfnetnode(fn);
731 linktransfer(transfer);
732 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
733 transfersetnick(transfer, peer->nick);
734 } else {
735 linktransfer(transfer);
736 }
737 if(argc > 4)
738 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
739 if(argc > 5)
740 {
741 for(i = 5; i < argc; i += 2)
5123bec0 742 {
743 if(!wcscmp(argv[i], L"hash"))
744 {
a04fc9ff 745 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 746 } else {
9ec790e8 747 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 748 }
749 }
d3372da9 750 }
751 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
752 transfersetactivity(transfer, L"create");
753}
754
755static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
756{
757 struct transfer *transfer, *pt;
758
759 havepriv(PERM_TRANS);
760 pt = NULL;
761 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
762 {
763 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
764 {
765 if(pt != NULL)
766 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
767 L"%%i", pt->state, pt->peerid,
768 (pt->peernick == NULL)?L"":(pt->peernick),
769 (pt->path == NULL)?L"":(pt->path),
770 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 771 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 772 NULL);
773 pt = transfer;
774 }
775 }
776 if(pt == NULL)
777 sq(sk, 0, L"201", L"No transfers", NULL);
778 else
779 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
780 L"%%i", pt->state, pt->peerid,
781 (pt->peernick == NULL)?L"":(pt->peernick),
782 (pt->path == NULL)?L"":(pt->path),
783 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 784 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 785 NULL);
786}
787
788static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
789{
790 struct transfer *transfer;
791
792 haveargs(2);
793 havepriv(PERM_TRANS);
794 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
795 {
796 sq(sk, 0, L"512", L"No such transfer", NULL);
797 return;
798 }
799 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
800 {
801 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
802 return;
803 }
804 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
805 {
806 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
807 return;
808 }
809 transfer->close = 1;
810 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
811}
812
813static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
814{
815 int i, val;
816
817 if((argc % 2) != 1)
818 {
819 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
820 return;
821 }
822 for(i = 1; i < argc; i += 2)
823 {
824 if(!wcscasecmp(argv[i + 1], L"on"))
825 val = 1;
826 else
827 val = 0;
828 if(!wcscasecmp(argv[i], L"all"))
829 {
830 if(val)
831 data->notify.w = ~0;
832 else
833 data->notify.w = 0;
834 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
835 data->notify.b.fnchat = val;
836 } else if(!wcscasecmp(argv[i], L"fn:act")) {
837 data->notify.b.fnact = val;
ba86d49a 838 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
839 data->notify.b.fnpeer = val;
d3372da9 840 } else if(!wcscasecmp(argv[i], L"trans:act")) {
841 data->notify.b.tract = val;
842 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
843 data->notify.b.trprog = val;
844 } else if(!wcscasecmp(argv[i], L"srch:act")) {
845 data->notify.b.srch = val;
846 }
847 }
848 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
849}
850
851static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
852{
853 struct fnetnode *fn;
854 int public;
855
856 haveargs(5);
857 havepriv(PERM_CHAT);
858 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
859 {
860 sq(sk, 0, L"510", L"No such node", NULL);
861 return;
862 }
863 public = wcstol(argv[2], NULL, 0);
864 if((public != 0) && (public != 1))
865 {
866 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
867 return;
868 }
869 if(fn->state != FNN_EST)
870 {
871 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
872 return;
873 }
874 if(fnetsendchat(fn, public, argv[3], argv[4]))
875 {
876 if(errno == ENOTSUP)
877 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
878 else if(errno == EPERM)
879 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
880 else if(errno == EILSEQ)
881 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
882 else
883 sq(sk, 0, L"505", L"Could not chat", NULL);
884 return;
885 }
886 sq(sk, 0, L"200", L"Chat string sent", NULL);
887}
888
889static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
890{
891 struct search *srch;
892 struct fnetnode *fn;
893 struct sexpr *sexpr;
894 int i;
895
896 haveargs(3);
897 havepriv(PERM_SRCH);
898 srch = newsearch(data->username, NULL);
899 for(i = 1; i < argc; i++)
900 {
901 if(!wcscmp(argv[i], L"all"))
902 {
903 for(fn = fnetnodes; fn != NULL; fn = fn->next)
904 {
905 if(fn->state == FNN_EST)
906 searchaddfn(srch, fn);
907 }
908 i++;
909 break;
910 } else if(!wcscmp(argv[i], L"prio")) {
911 if(++i == argc)
912 {
913 sq(sk, 0, L"501", L"No argument to prio", NULL);
914 freesearch(srch);
915 return;
916 }
917 srch->prio = wcstol(argv[i], NULL, 0);
918 } else if(iswdigit(*argv[i])) {
919 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
920 {
921 sq(sk, 0, L"510", L"No such node", NULL);
922 freesearch(srch);
923 return;
924 }
925 searchaddfn(srch, fn);
926 } else {
927 break;
928 }
929 }
930 if(srch->fnl == NULL)
931 {
932 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
933 freesearch(srch);
934 return;
935 }
936 if(i == argc)
937 {
938 sq(sk, 0, L"501", L"No search expression found on line", NULL);
939 freesearch(srch);
940 return;
941 }
942 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
943 {
944 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
945 freesearch(srch);
946 return;
947 }
948 optsexpr(sexpr);
949 getsexpr(srch->sexpr = sexpr);
950 queuesearch(srch);
951 CBREG(srch, search_eta, srcheta, NULL, NULL);
952 CBREG(srch, search_commit, srchcommit, NULL, NULL);
953 CBREG(srch, search_result, srchres, NULL, NULL);
954 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
955 putsexpr(sexpr);
956}
957
958static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
959{
960 struct search *srch, *pt;
961 time_t now;
962
963 havepriv(PERM_SRCH);
964 pt = NULL;
965 now = time(NULL);
966 for(srch = searches; srch != NULL; srch = srch->next)
967 {
968 if(!wcscmp(srch->owner, data->username))
969 {
970 if(pt != NULL)
971 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
972 pt = srch;
973 }
974 }
975 if(pt == NULL)
976 sq(sk, 0, L"201", L"No searches", NULL);
977 else
978 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
979}
980
981static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
982{
983 struct search *srch;
984 struct srchres *sr;
985 wchar_t buf[64];
986
987 haveargs(2);
988 havepriv(PERM_SRCH);
989 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
990 {
991 sq(sk, 0, L"514", L"No such search", NULL);
992 return;
993 }
994 if(srch->results == NULL)
995 {
996 sq(sk, 0, L"201", L"No results", NULL);
997 } else {
998 for(sr = srch->results; sr != NULL; sr = sr->next)
999 {
1000 swprintf(buf, 64, L"%f", sr->time);
65643d01 1001 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 1002 }
1003 }
1004}
1005
1006static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1007{
1008 struct search *srch;
1009 int i;
1010
1011 haveargs(2);
1012 havepriv(PERM_SRCH);
1013 /* Note - Programmatical user interfaces must only give one
1014 * argument per command, the multiple argument form is only for
1015 * convenience when manually controlling the daemon via
1016 * eg. telnet. The reason is that the return codes aren't clear
1017 * enough for the multiple argument form. */
1018 for(i = 1; i < argc; i++)
1019 {
1020 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1021 {
1022 sq(sk, 0, L"514", L"No such search", NULL);
1023 return;
1024 }
1025 freesearch(srch);
1026 }
1027 sq(sk, 0, L"200", L"Search cancelled", NULL);
1028}
1029
1030static void fcmdread(struct socket *sk, struct uidata *data)
1031{
1032 char *buf;
1033 size_t bufsize;
1034
1035 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1036 return;
1037 bufcat(data->fcmdbuf, buf, bufsize);
1038 free(buf);
1039}
1040
1041static void fcmderr(struct socket *sk, int err, struct uidata *data)
1042{
1043 wchar_t *wbuf, *p, *p2;
1044
1045 if(err)
1046 {
1047 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1048 kill(-data->fcmdpid, SIGHUP);
1049 putsock(data->fcmdsk);
1050 data->fcmdsk = NULL;
1051 if(data->fcmdbuf != NULL)
1052 {
1053 free(data->fcmdbuf);
1054 data->fcmdbuf = NULL;
1055 }
1056 data->fcmdbufsize = data->fcmdbufdata = 0;
1057 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1058 return;
1059 }
1060 putsock(data->fcmdsk);
1061 data->fcmdsk = NULL;
1062 data->fcmdpid = 0;
1063 if(data->fcmdbuf == NULL)
1064 {
1065 wbuf = swcsdup(L"");
1066 } else {
1067 addtobuf(data->fcmdbuf, 0);
1068 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1069 free(data->fcmdbuf);
1070 }
1071 data->fcmdbuf = NULL;
1072 data->fcmdbufsize = data->fcmdbufdata = 0;
1073 if(wbuf == NULL)
1074 {
1075 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1076 return;
1077 }
1078 p = wbuf;
1079 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1080 {
1081 *(p2++) = L'\0';
1082 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1083 p = p2;
1084 }
1085 if(*p == L'\0')
1086 {
1087 if(p == wbuf)
1088 sq(data->sk, 0, L"201", L"No data returned", NULL);
1089 } else {
1090 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1091 }
1092 free(wbuf);
1093}
1094
1095static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1096{
1097 int i;
1098 pid_t pid;
1099 int pipe;
1100 char **cargv, **pp;
1101 char *filtercmd, *argbuf;
1102 size_t cargvsize, cargvdata;
1103 struct passwd *pwent;
1104
1105 haveargs(2);
1106 havepriv(PERM_TRANS);
1107 if((pwent = getpwuid(data->uid)) == NULL)
1108 {
1109 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1110 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1111 return;
1112 }
1113 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL)
1114 {
1115 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1116 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1117 return;
1118 }
1119 cargv = NULL;
1120 cargvsize = cargvdata = 0;
1121 addtobuf(cargv, filtercmd);
1122 for(i = 1; i < argc; i++)
1123 {
1124 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1125 {
1126 for(i = 0; i < cargvdata; i++)
1127 free(cargv[i]);
1128 free(cargv);
1129 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1130 return;
1131 }
1132 addtobuf(cargv, argbuf);
1133 }
1134 addtobuf(cargv, NULL);
1135 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)
1136 {
1137 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1138 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1139 return;
1140 }
1141 if(pid == 0)
1142 {
1143 execv(filtercmd, cargv);
1144 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1145 exit(127);
1146 }
1147 for(pp = cargv; *pp; pp++)
1148 free(*pp);
1149 free(cargv);
1150 data->fcmdsk = wrapsock(pipe);
1151 data->fcmdpid = pid;
1152 if(data->fcmdbuf != NULL)
1153 {
1154 free(data->fcmdbuf);
1155 data->fcmdbuf = NULL;
1156 }
1157 data->fcmdbufsize = data->fcmdbufdata = 0;
1158 data->fcmdsk->data = data;
1159 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1160 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1161}
1162
1163static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1164{
1165 struct transfer *transfer;
9ec790e8 1166 struct wcspair *ta;
d3372da9 1167
1168 haveargs(2);
1169 havepriv(PERM_TRANS);
1170 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1171 {
1172 sq(sk, 0, L"512", L"No such transfer", NULL);
1173 return;
1174 }
1175 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1176 {
1177 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1178 return;
1179 }
1180 if(transfer->args == NULL)
1181 {
1182 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1183 } else {
1184 for(ta = transfer->args; ta != NULL; ta = ta->next)
9ec790e8 1185 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
d3372da9 1186 }
1187}
1188
1189static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1190{
1191 struct sharecache *node;
1192 int total, hashed;
1193
1194 total = hashed = 0;
1195 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1196 {
1197 if(node->f.b.type == FILE_REG)
1198 {
1199 total++;
1200 if(node->f.b.hastth)
1201 hashed++;
1202 }
1203 }
1204 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1205}
1206
1207#undef haveargs
1208#undef havepriv
1209
1210/*
1211 * Reserved command numbers for nameless commands:
1212 * 0: Issued when a client has connected
1213 * 1: Issued when a named command couldn't be found
1214 */
1215
1216static struct command commands[] =
1217{
1218 {NULL, cmd_connect},
1219 {NULL, cmd_notfound},
1220 {L"shutdown", cmd_shutdown},
1221 {L"quit", cmd_quit},
1222 {L"lsauth", cmd_lsauth},
1223 {L"login", cmd_login},
1224 {L"pass", cmd_pass},
1225 {L"cnct", cmd_fnetconnect},
1226 {L"lsnodes", cmd_lsnodes},
1227 {L"dcnct", cmd_disconnect},
1228 {L"lspa", cmd_lspa},
1229 {L"lspeers", cmd_lspeers},
1230 {L"download", cmd_download},
1231 {L"lstrans", cmd_lstrans},
1232 {L"cancel", cmd_cancel},
1233 {L"notify", cmd_notify},
1234 {L"sendchat", cmd_sendchat},
1235 {L"search", cmd_search},
1236 {L"lssrch", cmd_lssrch},
1237 {L"lssr", cmd_lssr},
1238 {L"cansrch", cmd_cansrch},
1239 {L"filtercmd", cmd_filtercmd},
1240 {L"lstrarg", cmd_lstrarg},
1241 {L"hashstatus", cmd_hashstatus},
1242 {NULL, NULL}
1243};
1244
1245static void freequeuecmd(struct qcommand *qcmd)
1246{
1247 int i;
1248
1249 if(qcmd->argv != NULL)
1250 {
1251 for(i = 0; i < qcmd->argc; i++)
1252 free(qcmd->argv[i]);
1253 free(qcmd->argv);
1254 }
1255 free(qcmd);
1256}
1257
1258static struct qcommand *unlinkqcmd(struct uidata *data)
1259{
1260 struct qcommand *qcmd;
1261
1262 qcmd = data->queue;
1263 if(qcmd != NULL)
1264 {
1265 data->queue = qcmd->next;
1266 if(qcmd == data->queuelast)
1267 data->queuelast = qcmd->next;
1268 }
1269 return(qcmd);
1270}
1271
ba86d49a 1272static void notifappendv(struct notif *notif, va_list args)
d3372da9 1273{
d3372da9 1274 int dt, ca;
1275
d3372da9 1276 while((dt = va_arg(args, int)) != NOTIF_END)
1277 {
1278 ca = notif->argc;
1279 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1280 notif->argv[ca].dt = dt;
1281 switch(dt)
1282 {
1283 case NOTIF_INT:
1284 case NOTIF_ID:
1285 notif->argv[ca].d.n = va_arg(args, int);
1286 break;
1287 case NOTIF_STR:
1288 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1289 break;
1290 case NOTIF_FLOAT:
1291 notif->argv[ca].d.d = va_arg(args, double);
1292 break;
1293 }
1294 }
ba86d49a 1295}
1296
1297static void notifappend(struct notif *notif, ...)
1298{
1299 va_list args;
1300
1301 va_start(args, notif);
1302 notifappendv(notif, args);
1303 va_end(args);
1304}
1305
1306static struct notif *newnotif(struct uidata *data, int code, ...)
1307{
1308 struct notif *notif;
1309 va_list args;
1310
1311 notif = smalloc(sizeof(*notif));
1312 memset(notif, 0, sizeof(*notif));
1313 notif->rlimit = 0.0;
1314 notif->ui = data;
1315 notif->code = code;
1316 va_start(args, code);
1317 notifappendv(notif, args);
d3372da9 1318 va_end(args);
1319 notif->next = NULL;
1320 notif->prev = data->lnotif;
1321 if(data->lnotif != NULL)
1322 data->lnotif->next = notif;
1323 else
1324 data->fnotif = notif;
1325 data->lnotif = notif;
1326 return(notif);
1327}
1328
1329static void freenotif(struct notif *notif)
1330{
1331 int i;
1332
1333 if(notif->next != NULL)
1334 notif->next->prev = notif->prev;
1335 if(notif->prev != NULL)
1336 notif->prev->next = notif->next;
1337 if(notif == notif->ui->fnotif)
1338 notif->ui->fnotif = notif->next;
1339 if(notif == notif->ui->lnotif)
1340 notif->ui->lnotif = notif->prev;
1341 if(notif->exptimer != NULL)
1342 canceltimer(notif->exptimer);
1343 for(i = 0; i < notif->argc; i++)
1344 {
1345 if(notif->argv[i].dt == NOTIF_STR)
1346 free(notif->argv[i].d.s);
1347 }
1348 if(notif->argv != NULL)
1349 free(notif->argv);
1350 free(notif);
1351}
1352
1353static void notifexpire(int cancelled, struct notif *notif)
1354{
1355 notif->exptimer = NULL;
1356 if(!cancelled)
1357 freenotif(notif);
1358}
1359
1360static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1361{
1362 int i, cont;
1363
1364 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1365 {
1366 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1367 {
1368 cont = 0;
1369 if(id >= 0)
1370 {
1371 for(i = 0; i < notif->argc; i++)
1372 {
1373 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1374 {
1375 cont = 1;
1376 break;
1377 }
1378 }
1379 }
1380 if(cont)
1381 continue;
1382 break;
1383 }
1384 }
1385 return(notif);
1386}
1387
1388static void freeuidata(struct uidata *data)
1389{
1390 int i;
1391 struct qcommand *qcmd;
1392
1393 if(data->next != NULL)
1394 data->next->prev = data->prev;
1395 if(data->prev != NULL)
1396 data->prev->next = data->next;
1397 if(data == actives)
1398 actives = data->next;
1399 data->sk->readcb = NULL;
1400 data->sk->errcb = NULL;
1401 putsock(data->sk);
1402 while((qcmd = unlinkqcmd(data)) != NULL)
1403 freequeuecmd(qcmd);
1404 iconv_close(data->ichandle);
1405 if(data->cw != NULL)
1406 free(data->cw);
1407 if(data->cb != NULL)
1408 free(data->cb);
1409 if(data->argv != NULL)
1410 {
1411 for(i = 0; i < data->argc; i++)
1412 free(data->argv[i]);
1413 free(data->argv);
1414 }
1415 if(data->auth != NULL)
1416 authputhandle(data->auth);
1417 if(data->username != NULL)
1418 {
1419 if(data->userinfo != NULL)
1420 flog(LOG_INFO, "%ls logged out", data->username);
1421 free(data->username);
1422 }
1423 free(data->inbuf);
1424 while(data->fnotif != NULL)
1425 freenotif(data->fnotif);
1426 if(data->fcmdbuf != NULL)
1427 free(data->fcmdbuf);
1428 if(data->fcmdpid != 0)
1429 kill(-data->fcmdpid, SIGHUP);
1430 if(data->fcmdsk != NULL)
1431 putsock(data->fcmdsk);
1432 free(data);
1433}
1434
1435static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1436{
1437 struct qcommand *new;
1438
1439 new = smalloc(sizeof(*new));
1440 new->cmd = cmd;
1441 new->argc = argc;
1442 new->argv = argv;
1443 new->next = NULL;
1444 if(data->queuelast != NULL)
1445 data->queuelast->next = new;
1446 data->queuelast = new;
1447 if(data->queue == NULL)
1448 data->queue = new;
1449}
1450
1451static struct uidata *newuidata(struct socket *sk)
1452{
1453 struct uidata *data;
1454
1455 data = smalloc(sizeof(*data));
1456 memset(data, 0, sizeof(*data));
1457 data->sk = sk;
1458 getsock(sk);
1459 data->inbuf = smalloc(1024);
1460 data->uid = -1;
1461 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1462 {
1463 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1464 return(NULL);
1465 }
1466 data->next = actives;
1467 data->prev = NULL;
1468 if(actives != NULL)
1469 actives->prev = data;
1470 actives = data;
1471 return(data);
1472}
1473
1474static void uiread(struct socket *sk, struct uidata *data)
1475{
1476 int ret, done;
1477 char *newbuf;
1478 char *p1, *p2;
1479 wchar_t *porig;
1480 size_t datalen, len2;
1481 struct command *cur;
1482
1483 if(data->indata > 1024)
1484 data->indata = 0;
1485 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1486 return;
1487 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1488 memcpy(data->inbuf + data->indata, newbuf, datalen);
1489 free(newbuf);
1490 data->indata += datalen;
1491 if(data->cb == NULL)
1492 {
1493 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1494 data->cbdata = 0;
1495 data->pp = data->cb;
1496 }
1497 done = 0;
1498 while(!done)
1499 {
1500 if(data->cbsize == data->cbdata)
1501 {
1502 len2 = data->pp - data->cb;
1503 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1504 data->pp = data->cb + len2;
1505 }
1506 p1 = data->inbuf;
1507 p2 = (char *)(porig = (data->cb + data->cbdata));
1508 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1509 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1510 memmove(data->inbuf, p1, data->indata);
1511 /* Just a sanity check */
1512 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1513 {
1514 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1515 abort();
1516 }
1517 data->cbdata += (((wchar_t *)p2) - porig);
1518 if(ret < 0)
1519 {
1520 switch(errno)
1521 {
1522 case EILSEQ:
1523 /* XXX: Should this really just ignore it? */
1524 data->indata = 0;
1525 done = 1;
1526 break;
1527 case EINVAL:
1528 done = 1;
1529 break;
1530 case E2BIG:
1531 /* Just a sanity check */
1532 if(data->cbsize != data->cbdata)
1533 {
1534 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1535 abort();
1536 }
1537 break;
1538 default:
1539 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1540 break;
1541 }
1542 } else {
1543 done = 1;
1544 }
1545 }
1546 done = 0;
1547 while(!done && (data->pp - data->cb < data->cbdata))
1548 {
1549 switch(data->ps)
1550 {
1551 case 0:
1552 if(iswspace(*data->pp))
1553 {
1554 if(*data->pp == L'\r')
1555 {
1556 if(data->pp == data->cb + data->cbdata - 1)
1557 {
1558 done = 1;
1559 break;
1560 }
1561 if(*(++data->pp) == L'\n')
1562 {
1563 if((data->argv != NULL) && (data->argv[0] != NULL))
1564 {
1565 for(cur = commands; cur->handler != NULL; cur++)
1566 {
1567 if(cur->name == NULL)
1568 continue;
1569 if(!wcscasecmp(cur->name, data->argv[0]))
1570 {
1571 queuecmd(data, cur, data->argc, data->argv);
1572 break;
1573 }
1574 }
1575 if(cur->handler == NULL)
1576 queuecmd(data, &commands[1], data->argc, data->argv);
1577 } else {
1578 queuecmd(data, &commands[1], data->argc, data->argv);
1579 }
1580 data->argv = NULL;
1581 data->args = 0;
1582 data->argc = 0;
1583 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1584 data->pp = data->cb;
1585 } else {
1586 data->pp++;
1587 }
1588 } else {
1589 data->pp++;
1590 }
1591 } else {
1592 data->ps = 1;
1593 data->cwdata = 0;
1594 }
1595 break;
1596 case 1:
1597 if(iswspace(*data->pp))
1598 {
1599 addtobuf(data->cw, L'\0');
1600 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1601 data->argv[data->argc++] = data->cw;
1602 data->cw = NULL;
1603 data->cwsize = 0;
1604 data->cwdata = 0;
1605 data->ps = 0;
1606 } else if(*data->pp == L'\"') {
1607 data->ps = 2;
1608 data->pp++;
1609 } else if(*data->pp == L'\\') {
1610 if(data->pp == data->cb + data->cbdata - 1)
1611 {
1612 done = 1;
1613 break;
1614 }
1615 addtobuf(data->cw, *(++data->pp));
1616 data->pp++;
1617 } else {
1618 addtobuf(data->cw, *(data->pp++));
1619 }
1620 break;
1621 case 2:
1622 if(*data->pp == L'\"')
1623 {
1624 data->ps = 1;
1625 } else if(*data->pp == L'\\') {
1626 if(data->pp == data->cb + data->cbdata - 1)
1627 {
1628 done = 1;
1629 break;
1630 }
1631 addtobuf(data->cw, *(++(data->pp)));
1632 } else {
1633 addtobuf(data->cw, *data->pp);
1634 }
1635 data->pp++;
1636 break;
1637 }
1638 }
1639}
1640
1641static void uierror(struct socket *sk, int err, struct uidata *data)
1642{
1643 if(err)
1644 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1645 freeuidata(data);
1646}
1647
1648static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1649{
1650 struct uidata *uidata;
1651
1652 newsk->data = uidata = newuidata(newsk);
1653 socksettos(newsk, confgetint("ui", "uitos"));
1654 if(uidata == NULL)
1655 return;
1656 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1657 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1658 queuecmd(uidata, &commands[0], 0, NULL);
1659}
1660
1661static int srcheta(struct search *srch, void *uudata)
1662{
1663 struct uidata *data;
1664
1665 for(data = actives; data != NULL; data = data->next)
1666 {
1667 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1668 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1669 }
1670 return(0);
1671}
1672
1673static int srchcommit(struct search *srch, void *uudata)
1674{
1675 struct uidata *data;
1676
1677 for(data = actives; data != NULL; data = data->next)
1678 {
1679 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1680 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1681 }
1682 return(0);
1683}
1684
1685static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1686{
1687 struct uidata *data;
1688
1689 for(data = actives; data != NULL; data = data->next)
1690 {
1691 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1692 {
ebbc13f3 1693 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 1694 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 1695 }
d3372da9 1696 }
1697 return(0);
1698}
1699
1700static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1701{
1702 struct uidata *data;
1703
1704 for(data = actives; data != NULL; data = data->next)
1705 {
1706 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1707 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1708 }
1709 return(0);
1710}
1711
1712static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1713{
1714 struct uidata *data;
1715 struct notif *notif;
1716
1717 if(!wcscmp(attrib, L"state"))
1718 {
1719 for(data = actives; data != NULL; data = data->next)
1720 {
1721 if(data->notify.b.fnact)
1722 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1723 }
1724 } else if(!wcscmp(attrib, L"name")) {
1725 for(data = actives; data != NULL; data = data->next)
1726 {
1727 if(data->notify.b.fnact)
1728 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1729 }
1730 } else if(!wcscmp(attrib, L"numpeers")) {
1731 for(data = actives; data != NULL; data = data->next)
1732 {
1733 if(data->notify.b.fnact)
1734 {
1735 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1736 notif->argv[1].d.n = fn->numpeers;
1737 else
ba86d49a 1738 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1739 }
1740 }
1741 }
1742 return(0);
1743}
1744
1745static int fnunlink(struct fnetnode *fn, void *uudata)
1746{
1747 struct uidata *data;
1748
1749 for(data = actives; data != NULL; data = data->next)
1750 {
1751 if(data->notify.b.fnact)
1752 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1753 }
1754 return(0);
1755}
1756
ba86d49a 1757static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1758{
1759 struct uidata *data;
1760
1761 for(data = actives; data != NULL; data = data->next)
1762 {
1763 if(data->notify.b.fnpeer)
1764 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1765 }
1766 return(0);
1767}
1768
1769static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1770{
1771 struct uidata *data;
1772
1773 for(data = actives; data != NULL; data = data->next)
1774 {
1775 if(data->notify.b.fnpeer)
1776 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1777 }
1778 return(0);
1779}
1780
1781static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1782{
1783 struct uidata *data;
1784 struct notif *notif;
1785 wchar_t buf[32];
1786
1787 for(data = actives; data != NULL; data = data->next)
1788 {
1789 if(data->notify.b.fnpeer)
1790 {
1791 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1792 {
1793 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1794 break;
1795 }
1796 if(notif == NULL)
1797 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1798 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1799 switch(di->datum->datatype)
1800 {
1801 case FNPD_INT:
1802 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1803 break;
1804 case FNPD_STR:
1805 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1806 break;
1807 case FNPD_LL:
1808 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1809 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1810 break;
1811 }
1812 }
1813 }
1814 return(0);
1815}
1816
d3372da9 1817static int newfnetnode(struct fnetnode *fn, void *uudata)
1818{
1819 struct uidata *data;
1820
1821 for(data = actives; data != NULL; data = data->next)
1822 {
1823 if(data->notify.b.fnact)
1824 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1825 }
1826 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1827 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1828 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1829 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1830 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1831 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1832 return(0);
1833}
1834
1835static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1836{
1837 struct uidata *data;
1838
1839 if(!wcscmp(attrib, L"state"))
1840 {
1841 for(data = actives; data != NULL; data = data->next)
1842 {
1843 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1844 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1845 }
1846 } else if(!wcscmp(attrib, L"nick")) {
1847 for(data = actives; data != NULL; data = data->next)
1848 {
1849 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1850 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1851 }
1852 } else if(!wcscmp(attrib, L"size")) {
1853 for(data = actives; data != NULL; data = data->next)
1854 {
1855 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1856 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1857 }
1858 } else if(!wcscmp(attrib, L"error")) {
1859 for(data = actives; data != NULL; data = data->next)
1860 {
1861 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1862 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1863 }
1864 } else if(!wcscmp(attrib, L"path")) {
1865 for(data = actives; data != NULL; data = data->next)
1866 {
1867 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1868 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1869 }
a04fc9ff 1870 } else if(!wcscmp(attrib, L"hash")) {
1871 for(data = actives; data != NULL; data = data->next)
1872 {
1873 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1874 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 1875 }
d3372da9 1876 }
1877 return(0);
1878}
1879
1880static int transferprog(struct transfer *transfer, void *uudata)
1881{
1882 struct uidata *data;
1883 struct notif *notif;
1884
1885 for(data = actives; data != NULL; data = data->next)
1886 {
1887 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1888 {
1889 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1890 notif->argv[1].d.n = transfer->curpos;
1891 else
1892 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1893 }
1894 }
1895 return(0);
1896}
1897
1898static int transferdestroyed(struct transfer *transfer, void *uudata)
1899{
1900 struct uidata *data;
1901
1902 for(data = actives; data != NULL; data = data->next)
1903 {
1904 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1905 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END);
1906 }
1907 return(0);
1908}
1909
1910static int newtransfernotify(struct transfer *transfer, void *uudata)
1911{
1912 struct uidata *data;
1913
1914 for(data = actives; data != NULL; data = data->next)
1915 {
1916 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1917 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);
1918 }
1919 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1920 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1921 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1922 return(0);
1923}
1924
1925static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1926{
1927 struct uiuser *new;
1928
1929 new = smalloc(sizeof(*new));
1930 new->used = 0;
1931 new->name = swcsdup(name);
1932 new->perms = perms;
1933 new->delete = 0;
1934 new->next = users;
1935 new->prev = NULL;
1936 if(users != NULL)
1937 users->prev = new;
1938 users = new;
1939 return(new);
1940}
1941
1942static void freeuser(struct uiuser *user)
1943{
1944 if(user->next != NULL)
1945 user->next->prev = user->prev;
1946 if(user->prev != NULL)
1947 user->prev->next = user->next;
1948 if(user == users)
1949 users = user->next;
1950 free(user->name);
1951 free(user);
1952}
1953
1954static int conf_user(int argc, wchar_t **argv)
1955{
1956 int i, perms, permmod;
1957 struct uiuser *user;
1958 wchar_t *p;
1959
1960 if(argc < 3)
1961 {
1962 flog(LOG_WARNING, "not enough arguments given for user command");
1963 return(1);
1964 }
1965 perms = 0;
1966 for(i = 2; i < argc; i++)
1967 {
1968 if(!iswalpha(argv[i][0]))
1969 p = argv[i] + 1;
1970 else
1971 p = argv[i];
1972 if(!wcscmp(p, L"disallow"))
1973 permmod = PERM_DISALLOW;
1974 if(!wcscmp(p, L"admin"))
1975 permmod = PERM_ADMIN;
1976 if(!wcscmp(p, L"fnetctl"))
1977 permmod = PERM_FNETCTL;
1978 if(!wcscmp(p, L"trans"))
1979 permmod = PERM_TRANS;
1980 if(!wcscmp(p, L"transcu"))
1981 permmod = PERM_TRANSCU;
1982 if(!wcscmp(p, L"chat"))
1983 permmod = PERM_CHAT;
1984 if(!wcscmp(p, L"srch"))
1985 permmod = PERM_SRCH;
1986 if(!wcscmp(p, L"all"))
1987 permmod = ~0;
1988 if(argv[i][0] == L'-')
1989 perms &= ~permmod;
1990 else
1991 perms |= permmod;
1992 }
1993 if((user = finduser(argv[1])) == NULL)
1994 {
1995 newuser(argv[1], perms);
1996 } else {
1997 user->delete = 0;
1998 user->perms = perms;
1999 }
2000 return(0);
2001}
2002
2003static void preinit(int hup)
2004{
2005 struct uiuser *user;
2006
2007 if(!hup)
2008 {
2009 newuser(L"default", 0);
2010 } else {
2011 for(user = users; user != NULL; user = user->next)
2012 {
2013 if(!wcscmp(user->name, L"default"))
2014 user->delete = 1;
2015 }
2016 }
2017}
2018
2019#ifdef HAVE_IPV6
2020static struct sockaddr *getnameforport(int port, socklen_t *len)
2021{
2022 static struct sockaddr_in6 addr;
2023
2024 memset(&addr, 0, sizeof(addr));
2025 addr.sin6_family = AF_INET6;
2026 addr.sin6_port = htons(port);
2027 addr.sin6_addr = in6addr_any;
2028 if(len != NULL)
2029 *len = sizeof(addr);
2030 return((struct sockaddr *)&addr);
2031}
2032#else
2033static struct sockaddr *getnameforport(int port, socklen_t *len)
2034{
2035 static struct sockaddr_in addr;
2036
2037 memset(&addr, 0, sizeof(addr));
2038 addr.sin_family = AF_INET;
2039 addr.sin_port = htons(port);
2040 if(len != NULL)
2041 *len = sizeof(addr);
2042 return((struct sockaddr *)&addr);
2043}
2044#endif
2045
2046static int portupdate(struct configvar *var, void *uudata)
2047{
2048 struct sockaddr *addr;
2049 socklen_t addrlen;
2050 struct socket *newsock;
2051
2052 addr = getnameforport(var->val.num, &addrlen);
2053 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2054 {
2055 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2056 return(0);
2057 }
2058 if(uisocket != NULL)
2059 putsock(uisocket);
2060 uisocket = newsock;
2061 return(0);
2062}
2063
2064static int init(int hup)
2065{
2066 struct sockaddr *addr;
2067 socklen_t addrlen;
2068 struct uiuser *user, *next;
2069
2070 if(hup)
2071 {
2072 for(user = users; user != NULL; user = next)
2073 {
2074 next = user->next;
2075 if(user->delete)
2076 freeuser(user);
2077 }
2078 }
2079 if(!hup)
2080 {
2081 if(uisocket != NULL)
2082 putsock(uisocket);
2083 addr = getnameforport(confgetint("ui", "port"), &addrlen);
2084 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2085 {
2086 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2087 return(1);
2088 }
2089 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2090 GCBREG(newfncb, newfnetnode, NULL);
2091 GCBREG(newtransfercb, newtransfernotify, NULL);
2092 }
2093 return(0);
2094}
2095
2096static int run(void)
2097{
2098 int i, id;
2099 struct uidata *data, *next;
2100 struct qcommand *qcmd;
2101 struct notif *notif, *nnotif;
2102 wchar_t buf[64];
2103
2104 for(data = actives; data != NULL; data = next)
2105 {
2106 next = data->next;
2107 if(data->close)
2108 freeuidata(data);
2109 }
2110 for(data = actives; data != NULL; data = data->next)
2111 {
2112 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2113 {
2114 nnotif = notif->next;
2115 if(notif->state == NOTIF_WAIT)
2116 continue;
2117 id = -1;
2118 for(i = 0; i < notif->argc; i++)
2119 {
2120 if(notif->argv[i].dt == NOTIF_ID)
2121 {
2122 id = notif->argv[i].d.n;
2123 break;
2124 }
2125 }
2126 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2127 continue;
2128 sq(data->sk, 2, L"%%i", notif->code, NULL);
2129 for(i = 0; i < notif->argc; i++)
2130 {
2131 switch(notif->argv[i].dt)
2132 {
2133 case NOTIF_INT:
2134 case NOTIF_ID:
2135 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2136 break;
2137 case NOTIF_STR:
2138 if(notif->argv[i].d.s[0] == L'%')
2139 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2140 else
2141 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2142 break;
2143 case NOTIF_FLOAT:
2144 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2145 sq(data->sk, 2, buf, NULL);
2146 break;
2147 }
2148 }
2149 sq(data->sk, 0, NULL);
2150 if(notif->rlimit != 0)
2151 {
2152 notif->state = NOTIF_WAIT;
2153 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2154 } else {
2155 freenotif(notif);
2156 }
2157 }
2158 if((qcmd = unlinkqcmd(data)) != NULL)
2159 {
2160 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2161 freequeuecmd(qcmd);
2162 return(1);
2163 }
2164 }
2165 return(0);
2166}
2167
2168static void terminate(void)
2169{
2170 while(users != NULL)
2171 freeuser(users);
2172}
2173
2174static struct configvar myvars[] =
2175{
2176 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2177 {CONF_VAR_INT, "port", {.num = 1500}},
2178 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2179 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2180 {CONF_VAR_END}
2181};
2182
2183static struct configcmd mycmds[] =
2184{
2185 {"user", conf_user},
2186 {NULL}
2187};
2188
2189static struct module me =
2190{
2191 .name = "ui",
2192 .conf =
2193 {
2194 .vars = myvars,
2195 .cmds = mycmds
2196 },
2197 .preinit = preinit,
2198 .init = init,
2199 .run = run,
2200 .terminate = terminate
2201};
2202
2203MODULE(me)