Unlink the PID file when terminating.
[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;
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
796283c6 1207static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1208{
1209 wchar_t *buf1, *buf2;
1210
1211 havepriv(PERM_TRANS);
1212 buf1 = swprintf2(L"%lli", bytesdownload);
1213 buf2 = swprintf2(L"%lli", bytesupload);
1214 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1215 free(buf1);
1216 free(buf2);
1217}
1218
d3372da9 1219#undef haveargs
1220#undef havepriv
1221
1222/*
1223 * Reserved command numbers for nameless commands:
1224 * 0: Issued when a client has connected
1225 * 1: Issued when a named command couldn't be found
1226 */
1227
1228static struct command commands[] =
1229{
1230 {NULL, cmd_connect},
1231 {NULL, cmd_notfound},
1232 {L"shutdown", cmd_shutdown},
1233 {L"quit", cmd_quit},
1234 {L"lsauth", cmd_lsauth},
1235 {L"login", cmd_login},
1236 {L"pass", cmd_pass},
1237 {L"cnct", cmd_fnetconnect},
1238 {L"lsnodes", cmd_lsnodes},
1239 {L"dcnct", cmd_disconnect},
1240 {L"lspa", cmd_lspa},
1241 {L"lspeers", cmd_lspeers},
1242 {L"download", cmd_download},
1243 {L"lstrans", cmd_lstrans},
1244 {L"cancel", cmd_cancel},
1245 {L"notify", cmd_notify},
1246 {L"sendchat", cmd_sendchat},
1247 {L"search", cmd_search},
1248 {L"lssrch", cmd_lssrch},
1249 {L"lssr", cmd_lssr},
1250 {L"cansrch", cmd_cansrch},
1251 {L"filtercmd", cmd_filtercmd},
1252 {L"lstrarg", cmd_lstrarg},
1253 {L"hashstatus", cmd_hashstatus},
796283c6 1254 {L"transstatus", cmd_transstatus},
d3372da9 1255 {NULL, NULL}
1256};
1257
1258static void freequeuecmd(struct qcommand *qcmd)
1259{
1260 int i;
1261
1262 if(qcmd->argv != NULL)
1263 {
1264 for(i = 0; i < qcmd->argc; i++)
1265 free(qcmd->argv[i]);
1266 free(qcmd->argv);
1267 }
1268 free(qcmd);
1269}
1270
1271static struct qcommand *unlinkqcmd(struct uidata *data)
1272{
1273 struct qcommand *qcmd;
1274
1275 qcmd = data->queue;
1276 if(qcmd != NULL)
1277 {
1278 data->queue = qcmd->next;
1279 if(qcmd == data->queuelast)
1280 data->queuelast = qcmd->next;
1281 }
1282 return(qcmd);
1283}
1284
ba86d49a 1285static void notifappendv(struct notif *notif, va_list args)
d3372da9 1286{
d3372da9 1287 int dt, ca;
1288
d3372da9 1289 while((dt = va_arg(args, int)) != NOTIF_END)
1290 {
1291 ca = notif->argc;
1292 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1293 notif->argv[ca].dt = dt;
1294 switch(dt)
1295 {
1296 case NOTIF_INT:
1297 case NOTIF_ID:
1298 notif->argv[ca].d.n = va_arg(args, int);
1299 break;
1300 case NOTIF_STR:
1301 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1302 break;
1303 case NOTIF_FLOAT:
1304 notif->argv[ca].d.d = va_arg(args, double);
1305 break;
1306 }
1307 }
ba86d49a 1308}
1309
1310static void notifappend(struct notif *notif, ...)
1311{
1312 va_list args;
1313
1314 va_start(args, notif);
1315 notifappendv(notif, args);
1316 va_end(args);
1317}
1318
1319static struct notif *newnotif(struct uidata *data, int code, ...)
1320{
1321 struct notif *notif;
1322 va_list args;
1323
1324 notif = smalloc(sizeof(*notif));
1325 memset(notif, 0, sizeof(*notif));
1326 notif->rlimit = 0.0;
1327 notif->ui = data;
1328 notif->code = code;
1329 va_start(args, code);
1330 notifappendv(notif, args);
d3372da9 1331 va_end(args);
1332 notif->next = NULL;
1333 notif->prev = data->lnotif;
1334 if(data->lnotif != NULL)
1335 data->lnotif->next = notif;
1336 else
1337 data->fnotif = notif;
1338 data->lnotif = notif;
1339 return(notif);
1340}
1341
1342static void freenotif(struct notif *notif)
1343{
1344 int i;
1345
1346 if(notif->next != NULL)
1347 notif->next->prev = notif->prev;
1348 if(notif->prev != NULL)
1349 notif->prev->next = notif->next;
1350 if(notif == notif->ui->fnotif)
1351 notif->ui->fnotif = notif->next;
1352 if(notif == notif->ui->lnotif)
1353 notif->ui->lnotif = notif->prev;
1354 if(notif->exptimer != NULL)
1355 canceltimer(notif->exptimer);
1356 for(i = 0; i < notif->argc; i++)
1357 {
1358 if(notif->argv[i].dt == NOTIF_STR)
1359 free(notif->argv[i].d.s);
1360 }
1361 if(notif->argv != NULL)
1362 free(notif->argv);
1363 free(notif);
1364}
1365
1366static void notifexpire(int cancelled, struct notif *notif)
1367{
1368 notif->exptimer = NULL;
1369 if(!cancelled)
1370 freenotif(notif);
1371}
1372
1373static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1374{
1375 int i, cont;
1376
1377 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1378 {
1379 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1380 {
1381 cont = 0;
1382 if(id >= 0)
1383 {
1384 for(i = 0; i < notif->argc; i++)
1385 {
1386 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1387 {
1388 cont = 1;
1389 break;
1390 }
1391 }
1392 }
1393 if(cont)
1394 continue;
1395 break;
1396 }
1397 }
1398 return(notif);
1399}
1400
1401static void freeuidata(struct uidata *data)
1402{
1403 int i;
1404 struct qcommand *qcmd;
1405
1406 if(data->next != NULL)
1407 data->next->prev = data->prev;
1408 if(data->prev != NULL)
1409 data->prev->next = data->next;
1410 if(data == actives)
1411 actives = data->next;
1412 data->sk->readcb = NULL;
1413 data->sk->errcb = NULL;
1414 putsock(data->sk);
1415 while((qcmd = unlinkqcmd(data)) != NULL)
1416 freequeuecmd(qcmd);
1417 iconv_close(data->ichandle);
1418 if(data->cw != NULL)
1419 free(data->cw);
1420 if(data->cb != NULL)
1421 free(data->cb);
1422 if(data->argv != NULL)
1423 {
1424 for(i = 0; i < data->argc; i++)
1425 free(data->argv[i]);
1426 free(data->argv);
1427 }
1428 if(data->auth != NULL)
1429 authputhandle(data->auth);
1430 if(data->username != NULL)
1431 {
1432 if(data->userinfo != NULL)
1433 flog(LOG_INFO, "%ls logged out", data->username);
1434 free(data->username);
1435 }
1436 free(data->inbuf);
1437 while(data->fnotif != NULL)
1438 freenotif(data->fnotif);
1439 if(data->fcmdbuf != NULL)
1440 free(data->fcmdbuf);
1441 if(data->fcmdpid != 0)
1442 kill(-data->fcmdpid, SIGHUP);
1443 if(data->fcmdsk != NULL)
1444 putsock(data->fcmdsk);
1445 free(data);
1446}
1447
1448static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1449{
1450 struct qcommand *new;
1451
1452 new = smalloc(sizeof(*new));
1453 new->cmd = cmd;
1454 new->argc = argc;
1455 new->argv = argv;
1456 new->next = NULL;
1457 if(data->queuelast != NULL)
1458 data->queuelast->next = new;
1459 data->queuelast = new;
1460 if(data->queue == NULL)
1461 data->queue = new;
1462}
1463
1464static struct uidata *newuidata(struct socket *sk)
1465{
1466 struct uidata *data;
1467
1468 data = smalloc(sizeof(*data));
1469 memset(data, 0, sizeof(*data));
1470 data->sk = sk;
1471 getsock(sk);
1472 data->inbuf = smalloc(1024);
1473 data->uid = -1;
1474 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1475 {
1476 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1477 return(NULL);
1478 }
1479 data->next = actives;
1480 data->prev = NULL;
1481 if(actives != NULL)
1482 actives->prev = data;
1483 actives = data;
1484 return(data);
1485}
1486
1487static void uiread(struct socket *sk, struct uidata *data)
1488{
1489 int ret, done;
1490 char *newbuf;
1491 char *p1, *p2;
1492 wchar_t *porig;
1493 size_t datalen, len2;
1494 struct command *cur;
1495
1496 if(data->indata > 1024)
1497 data->indata = 0;
1498 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1499 return;
1500 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1501 memcpy(data->inbuf + data->indata, newbuf, datalen);
1502 free(newbuf);
1503 data->indata += datalen;
1504 if(data->cb == NULL)
1505 {
1506 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1507 data->cbdata = 0;
1508 data->pp = data->cb;
1509 }
1510 done = 0;
1511 while(!done)
1512 {
1513 if(data->cbsize == data->cbdata)
1514 {
1515 len2 = data->pp - data->cb;
1516 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1517 data->pp = data->cb + len2;
1518 }
1519 p1 = data->inbuf;
1520 p2 = (char *)(porig = (data->cb + data->cbdata));
1521 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1522 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1523 memmove(data->inbuf, p1, data->indata);
1524 /* Just a sanity check */
1525 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1526 {
1527 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1528 abort();
1529 }
1530 data->cbdata += (((wchar_t *)p2) - porig);
1531 if(ret < 0)
1532 {
1533 switch(errno)
1534 {
1535 case EILSEQ:
1536 /* XXX: Should this really just ignore it? */
1537 data->indata = 0;
1538 done = 1;
1539 break;
1540 case EINVAL:
1541 done = 1;
1542 break;
1543 case E2BIG:
1544 /* Just a sanity check */
1545 if(data->cbsize != data->cbdata)
1546 {
1547 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1548 abort();
1549 }
1550 break;
1551 default:
1552 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1553 break;
1554 }
1555 } else {
1556 done = 1;
1557 }
1558 }
1559 done = 0;
1560 while(!done && (data->pp - data->cb < data->cbdata))
1561 {
1562 switch(data->ps)
1563 {
1564 case 0:
1565 if(iswspace(*data->pp))
1566 {
1567 if(*data->pp == L'\r')
1568 {
1569 if(data->pp == data->cb + data->cbdata - 1)
1570 {
1571 done = 1;
1572 break;
1573 }
1574 if(*(++data->pp) == L'\n')
1575 {
1576 if((data->argv != NULL) && (data->argv[0] != NULL))
1577 {
1578 for(cur = commands; cur->handler != NULL; cur++)
1579 {
1580 if(cur->name == NULL)
1581 continue;
1582 if(!wcscasecmp(cur->name, data->argv[0]))
1583 {
1584 queuecmd(data, cur, data->argc, data->argv);
1585 break;
1586 }
1587 }
1588 if(cur->handler == NULL)
1589 queuecmd(data, &commands[1], data->argc, data->argv);
1590 } else {
1591 queuecmd(data, &commands[1], data->argc, data->argv);
1592 }
1593 data->argv = NULL;
1594 data->args = 0;
1595 data->argc = 0;
1596 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1597 data->pp = data->cb;
1598 } else {
1599 data->pp++;
1600 }
1601 } else {
1602 data->pp++;
1603 }
1604 } else {
1605 data->ps = 1;
1606 data->cwdata = 0;
1607 }
1608 break;
1609 case 1:
1610 if(iswspace(*data->pp))
1611 {
1612 addtobuf(data->cw, L'\0');
1613 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1614 data->argv[data->argc++] = data->cw;
1615 data->cw = NULL;
1616 data->cwsize = 0;
1617 data->cwdata = 0;
1618 data->ps = 0;
1619 } else if(*data->pp == L'\"') {
1620 data->ps = 2;
1621 data->pp++;
1622 } else if(*data->pp == L'\\') {
1623 if(data->pp == data->cb + data->cbdata - 1)
1624 {
1625 done = 1;
1626 break;
1627 }
1628 addtobuf(data->cw, *(++data->pp));
1629 data->pp++;
1630 } else {
1631 addtobuf(data->cw, *(data->pp++));
1632 }
1633 break;
1634 case 2:
1635 if(*data->pp == L'\"')
1636 {
1637 data->ps = 1;
1638 } else if(*data->pp == L'\\') {
1639 if(data->pp == data->cb + data->cbdata - 1)
1640 {
1641 done = 1;
1642 break;
1643 }
1644 addtobuf(data->cw, *(++(data->pp)));
1645 } else {
1646 addtobuf(data->cw, *data->pp);
1647 }
1648 data->pp++;
1649 break;
1650 }
1651 }
1652}
1653
1654static void uierror(struct socket *sk, int err, struct uidata *data)
1655{
1656 if(err)
1657 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1658 freeuidata(data);
1659}
1660
1661static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1662{
1663 struct uidata *uidata;
1664
1665 newsk->data = uidata = newuidata(newsk);
1666 socksettos(newsk, confgetint("ui", "uitos"));
1667 if(uidata == NULL)
1668 return;
1669 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1670 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1671 queuecmd(uidata, &commands[0], 0, NULL);
1672}
1673
1674static int srcheta(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, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1682 }
1683 return(0);
1684}
1685
1686static int srchcommit(struct search *srch, 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))
1693 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1694 }
1695 return(0);
1696}
1697
1698static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1699{
1700 struct uidata *data;
1701
1702 for(data = actives; data != NULL; data = data->next)
1703 {
1704 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1705 {
ebbc13f3 1706 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 1707 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 1708 }
d3372da9 1709 }
1710 return(0);
1711}
1712
1713static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1714{
1715 struct uidata *data;
1716
1717 for(data = actives; data != NULL; data = data->next)
1718 {
1719 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1720 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1721 }
1722 return(0);
1723}
1724
1725static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1726{
1727 struct uidata *data;
1728 struct notif *notif;
1729
1730 if(!wcscmp(attrib, L"state"))
1731 {
1732 for(data = actives; data != NULL; data = data->next)
1733 {
1734 if(data->notify.b.fnact)
1735 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1736 }
1737 } else if(!wcscmp(attrib, L"name")) {
1738 for(data = actives; data != NULL; data = data->next)
1739 {
1740 if(data->notify.b.fnact)
1741 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1742 }
1743 } else if(!wcscmp(attrib, L"numpeers")) {
1744 for(data = actives; data != NULL; data = data->next)
1745 {
1746 if(data->notify.b.fnact)
1747 {
1748 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1749 notif->argv[1].d.n = fn->numpeers;
1750 else
ba86d49a 1751 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1752 }
1753 }
1754 }
1755 return(0);
1756}
1757
1758static int fnunlink(struct fnetnode *fn, void *uudata)
1759{
1760 struct uidata *data;
1761
1762 for(data = actives; data != NULL; data = data->next)
1763 {
1764 if(data->notify.b.fnact)
1765 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1766 }
1767 return(0);
1768}
1769
ba86d49a 1770static int peernew(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, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1778 }
1779 return(0);
1780}
1781
1782static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1783{
1784 struct uidata *data;
1785
1786 for(data = actives; data != NULL; data = data->next)
1787 {
1788 if(data->notify.b.fnpeer)
1789 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1790 }
1791 return(0);
1792}
1793
1794static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1795{
1796 struct uidata *data;
1797 struct notif *notif;
1798 wchar_t buf[32];
1799
1800 for(data = actives; data != NULL; data = data->next)
1801 {
1802 if(data->notify.b.fnpeer)
1803 {
1804 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1805 {
1806 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1807 break;
1808 }
1809 if(notif == NULL)
1810 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1811 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1812 switch(di->datum->datatype)
1813 {
1814 case FNPD_INT:
1815 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1816 break;
1817 case FNPD_STR:
1818 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1819 break;
1820 case FNPD_LL:
1821 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1822 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1823 break;
1824 }
1825 }
1826 }
1827 return(0);
1828}
1829
d3372da9 1830static int newfnetnode(struct fnetnode *fn, void *uudata)
1831{
1832 struct uidata *data;
1833
1834 for(data = actives; data != NULL; data = data->next)
1835 {
1836 if(data->notify.b.fnact)
1837 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1838 }
1839 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1840 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1841 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1842 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1843 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1844 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1845 return(0);
1846}
1847
1848static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1849{
1850 struct uidata *data;
1851
1852 if(!wcscmp(attrib, L"state"))
1853 {
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, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1858 }
1859 } else if(!wcscmp(attrib, L"nick")) {
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, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1864 }
1865 } else if(!wcscmp(attrib, L"size")) {
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, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1870 }
1871 } else if(!wcscmp(attrib, L"error")) {
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)))
1875 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1876 }
1877 } else if(!wcscmp(attrib, L"path")) {
1878 for(data = actives; data != NULL; data = data->next)
1879 {
1880 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1881 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1882 }
a04fc9ff 1883 } else if(!wcscmp(attrib, L"hash")) {
1884 for(data = actives; data != NULL; data = data->next)
1885 {
1886 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1887 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 1888 }
d3372da9 1889 }
1890 return(0);
1891}
1892
1893static int transferprog(struct transfer *transfer, void *uudata)
1894{
1895 struct uidata *data;
1896 struct notif *notif;
1897
1898 for(data = actives; data != NULL; data = data->next)
1899 {
1900 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1901 {
1902 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1903 notif->argv[1].d.n = transfer->curpos;
1904 else
1905 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1906 }
1907 }
1908 return(0);
1909}
1910
1911static int transferdestroyed(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, 617, NOTIF_ID, transfer->id, NOTIF_END);
1919 }
1920 return(0);
1921}
1922
1923static int newtransfernotify(struct transfer *transfer, void *uudata)
1924{
1925 struct uidata *data;
1926
1927 for(data = actives; data != NULL; data = data->next)
1928 {
1929 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1930 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);
1931 }
1932 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1933 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1934 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1935 return(0);
1936}
1937
1938static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1939{
1940 struct uiuser *new;
1941
1942 new = smalloc(sizeof(*new));
1943 new->used = 0;
1944 new->name = swcsdup(name);
1945 new->perms = perms;
1946 new->delete = 0;
1947 new->next = users;
1948 new->prev = NULL;
1949 if(users != NULL)
1950 users->prev = new;
1951 users = new;
1952 return(new);
1953}
1954
1955static void freeuser(struct uiuser *user)
1956{
1957 if(user->next != NULL)
1958 user->next->prev = user->prev;
1959 if(user->prev != NULL)
1960 user->prev->next = user->next;
1961 if(user == users)
1962 users = user->next;
1963 free(user->name);
1964 free(user);
1965}
1966
1967static int conf_user(int argc, wchar_t **argv)
1968{
1969 int i, perms, permmod;
1970 struct uiuser *user;
1971 wchar_t *p;
1972
1973 if(argc < 3)
1974 {
1975 flog(LOG_WARNING, "not enough arguments given for user command");
1976 return(1);
1977 }
1978 perms = 0;
1979 for(i = 2; i < argc; i++)
1980 {
1981 if(!iswalpha(argv[i][0]))
1982 p = argv[i] + 1;
1983 else
1984 p = argv[i];
1985 if(!wcscmp(p, L"disallow"))
1986 permmod = PERM_DISALLOW;
1987 if(!wcscmp(p, L"admin"))
1988 permmod = PERM_ADMIN;
1989 if(!wcscmp(p, L"fnetctl"))
1990 permmod = PERM_FNETCTL;
1991 if(!wcscmp(p, L"trans"))
1992 permmod = PERM_TRANS;
1993 if(!wcscmp(p, L"transcu"))
1994 permmod = PERM_TRANSCU;
1995 if(!wcscmp(p, L"chat"))
1996 permmod = PERM_CHAT;
1997 if(!wcscmp(p, L"srch"))
1998 permmod = PERM_SRCH;
1999 if(!wcscmp(p, L"all"))
2000 permmod = ~0;
2001 if(argv[i][0] == L'-')
2002 perms &= ~permmod;
2003 else
2004 perms |= permmod;
2005 }
2006 if((user = finduser(argv[1])) == NULL)
2007 {
2008 newuser(argv[1], perms);
2009 } else {
2010 user->delete = 0;
2011 user->perms = perms;
2012 }
2013 return(0);
2014}
2015
2016static void preinit(int hup)
2017{
2018 struct uiuser *user;
2019
2020 if(!hup)
2021 {
2022 newuser(L"default", 0);
2023 } else {
2024 for(user = users; user != NULL; user = user->next)
2025 {
2026 if(!wcscmp(user->name, L"default"))
2027 user->delete = 1;
2028 }
2029 }
2030}
2031
2032#ifdef HAVE_IPV6
2033static struct sockaddr *getnameforport(int port, socklen_t *len)
2034{
2035 static struct sockaddr_in6 addr;
2036
2037 memset(&addr, 0, sizeof(addr));
2038 addr.sin6_family = AF_INET6;
2039 addr.sin6_port = htons(port);
2040 addr.sin6_addr = in6addr_any;
2041 if(len != NULL)
2042 *len = sizeof(addr);
2043 return((struct sockaddr *)&addr);
2044}
2045#else
2046static struct sockaddr *getnameforport(int port, socklen_t *len)
2047{
2048 static struct sockaddr_in addr;
2049
2050 memset(&addr, 0, sizeof(addr));
2051 addr.sin_family = AF_INET;
2052 addr.sin_port = htons(port);
2053 if(len != NULL)
2054 *len = sizeof(addr);
2055 return((struct sockaddr *)&addr);
2056}
2057#endif
2058
2059static int portupdate(struct configvar *var, void *uudata)
2060{
2061 struct sockaddr *addr;
2062 socklen_t addrlen;
2063 struct socket *newsock;
2064
2065 addr = getnameforport(var->val.num, &addrlen);
2066 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2067 {
2068 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2069 return(0);
2070 }
2071 if(uisocket != NULL)
2072 putsock(uisocket);
2073 uisocket = newsock;
2074 return(0);
2075}
2076
2077static int init(int hup)
2078{
2079 struct sockaddr *addr;
2080 socklen_t addrlen;
2081 struct uiuser *user, *next;
2082
2083 if(hup)
2084 {
2085 for(user = users; user != NULL; user = next)
2086 {
2087 next = user->next;
2088 if(user->delete)
2089 freeuser(user);
2090 }
2091 }
2092 if(!hup)
2093 {
2094 if(uisocket != NULL)
2095 putsock(uisocket);
2096 addr = getnameforport(confgetint("ui", "port"), &addrlen);
2097 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2098 {
2099 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2100 return(1);
2101 }
2102 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2103 GCBREG(newfncb, newfnetnode, NULL);
2104 GCBREG(newtransfercb, newtransfernotify, NULL);
2105 }
2106 return(0);
2107}
2108
2109static int run(void)
2110{
2111 int i, id;
2112 struct uidata *data, *next;
2113 struct qcommand *qcmd;
2114 struct notif *notif, *nnotif;
2115 wchar_t buf[64];
2116
2117 for(data = actives; data != NULL; data = next)
2118 {
2119 next = data->next;
2120 if(data->close)
2121 freeuidata(data);
2122 }
2123 for(data = actives; data != NULL; data = data->next)
2124 {
2125 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2126 {
2127 nnotif = notif->next;
2128 if(notif->state == NOTIF_WAIT)
2129 continue;
2130 id = -1;
2131 for(i = 0; i < notif->argc; i++)
2132 {
2133 if(notif->argv[i].dt == NOTIF_ID)
2134 {
2135 id = notif->argv[i].d.n;
2136 break;
2137 }
2138 }
2139 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2140 continue;
2141 sq(data->sk, 2, L"%%i", notif->code, NULL);
2142 for(i = 0; i < notif->argc; i++)
2143 {
2144 switch(notif->argv[i].dt)
2145 {
2146 case NOTIF_INT:
2147 case NOTIF_ID:
2148 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2149 break;
2150 case NOTIF_STR:
2151 if(notif->argv[i].d.s[0] == L'%')
2152 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2153 else
2154 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2155 break;
2156 case NOTIF_FLOAT:
2157 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2158 sq(data->sk, 2, buf, NULL);
2159 break;
2160 }
2161 }
2162 sq(data->sk, 0, NULL);
2163 if(notif->rlimit != 0)
2164 {
2165 notif->state = NOTIF_WAIT;
2166 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2167 } else {
2168 freenotif(notif);
2169 }
2170 }
2171 if((qcmd = unlinkqcmd(data)) != NULL)
2172 {
2173 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2174 freequeuecmd(qcmd);
2175 return(1);
2176 }
2177 }
2178 return(0);
2179}
2180
2181static void terminate(void)
2182{
2183 while(users != NULL)
2184 freeuser(users);
2185}
2186
2187static struct configvar myvars[] =
2188{
2189 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2190 {CONF_VAR_INT, "port", {.num = 1500}},
2191 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2192 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2193 {CONF_VAR_END}
2194};
2195
2196static struct configcmd mycmds[] =
2197{
2198 {"user", conf_user},
2199 {NULL}
2200};
2201
2202static struct module me =
2203{
2204 .name = "ui",
2205 .conf =
2206 {
2207 .vars = myvars,
2208 .cmds = mycmds
2209 },
2210 .preinit = preinit,
2211 .init = init,
2212 .run = run,
2213 .terminate = terminate
2214};
2215
2216MODULE(me)